How Large DOM Sizes Affect Interactivity, and What You Can Do About It (mal )May 9, 2023 703 dom , html , optimization Script Evaluation and Long Tasks (mal )May 9, 2023 702 javascript , web-vitals Client-Side Rendering of HTML and Interactivity (mal )May 9, 2023 701 html , client-side-rendering Pay Attention to Web Performance Metrics to Improve the UX (uxm )May 8, 2023 700 metrics , user-experience , web-vitals , optimization 5 Best Practices to Sustainably Improve Core Web Vitals (ben /cal )May 4, 2023 699 web-vitals , best-practices The Intersectionality of Web Performance (ada )May 3, 2023 698 sustainability , dei Make Your Website Load Fast by Optimizing Request Priorities (mat /deb )May 3, 2023 697 optimization , network A Complete Guide to Performance Budgets (spe )May 2, 2023 696 guides , performance-budgets , metrics Load Websites Faster With Code Splitting May 2, 2023 695 code-splitting , react CDNs: Speed Up Performance by Reducing Latency (aus )May 1, 2023 694 content-delivery Practical Guide to Not Blocking the Event Loop May 1, 2023 693 guides , javascript , event-loop , events Reducing the Cost of String Serialization in Node.js Core (yag )Apr 25, 2023 692 nodejs , strings Frontend Web Performance Checklist (jac )Apr 24, 2023 691 checklists Exploring the Potential of Web Workers for Multithreading on the Web (sma )Apr 21, 2023 690 web-workers , multithreading , javascript Intro to Runtime Performance in the Chrome DevTools Performance Panel (ann /thi )Apr 19, 2023 689 videos , introductions , dev-tools , browsers , chrome DevTools: A Better Way to Visualize Your JavaScript Apr 18, 2023 688 dev-tools , visualization , browsers , lighthouse , chrome , edge Serving Less Data to Users With the “prefers-reduced-data” Media Query (sea )Apr 16, 2023 687 css , media-queries , sustainability Speeding Up the JavaScript Ecosystem—Draft-js Emoji Plugin (mar )Apr 16, 2023 686 javascript , plugins Costly CSS Properties and How to Optimize Them Apr 13, 2023 685 css , optimization Understanding CSS Preload and Other Resource Hints (log )Apr 11, 2023 684 css , hints , preloading Load Balancing (sam )Apr 10, 2023 683 load-balancing , visualization , architecture The Performance Golden Rule Revisited (tka )Apr 10, 2023 682 metrics The Real Difference Between “useMemo” and “Memo” in React Apr 9, 2023 681 react , hooks , examples Slow Start and Congestion Control (Browser Networking) Apr 3, 2023 680 protocols , tcp 7 Tricks to Take the Performance of Your Website to the Moon Apr 2, 2023 679 minification , tree-shaking , tips-and-tricks 10 Ways to Hide Elements in CSS (cra )Apr 2, 2023 678 hiding , css , accessibility Flutter Performance Optimization Techniques and Best Practices Mar 29, 2023 677 flutter , optimization , best-practices Defaulting on Single Page Applications (SPA) (zac )Mar 27, 2023 676 single-page-apps , javascript Senior Engineering Strategies for Advanced React and TypeScript (tec )Mar 25, 2023 675 strategies , react , typescript , architecture , testing , accessibility , security , maintenance The Ultimate Guide to Image Optimisation (fox /cal )Mar 23, 2023 674 guides , images , compression , optimization Speeding Up the JavaScript Ecosystem—npm Scripts (mar )Mar 19, 2023 673 javascript , bundling , npm 2023 Web Framework Performance Report Mar 7, 2023 672 frameworks , astro , sveltekit , gatsby , remix , wordpress , nextjs , nuxt , comparisons Client-Side JavaScript and React Criticism: What Comes Next? (mol )Mar 3, 2023 671 javascript , react , accessibility , resilience , progressive-enhancement Optimising Large Contentful Paint (css /btc )Mar 3, 2023 670 videos , web-vitals , optimization The JavaScript Site Generator Review, 2023 (zac )Feb 24, 2023 669 site-generators , comparisons , astro , eleventy , gatsby , nextjs , nuxt , remix , sveltekit An Approach to Lazy Loading Custom Elements (css )Feb 13, 2023 668 web-components , lazy-loading This Is Why Performance Matters (bel )Feb 13, 2023 667 javascript , user-experience Caching at DEV Feb 10, 2023 666 case-studies , caching What’s New in Lighthouse 10 Feb 9, 2023 665 release-notes , lighthouse Speeding Up the JavaScript Ecosystem—ESLint (mar )Feb 5, 2023 664 javascript , eslint , linting The Gotcha With Animating Custom Properties (bra )Feb 1, 2023 663 css , animations , custom-properties Speed for Who? (bel )Jan 31, 2023 662 frameworks , developer-experience , user-experience Monitoring Node.js Performance (ano )Jan 31, 2023 661 nodejs , monitoring , tooling , nsolid Optimal Images in HTML (ste /bui )Jan 26, 2023 660 html , images , backgrounds , optimization Your Web Performance Is Too Reactive; It’s Time to Do More Than Put Out Fires (fox /cal )Jan 26, 2023 659 The Modern Way of Serving Images (kur )Jan 25, 2023 658 images , html How to Review a Web Site (uxm )Jan 22, 2023 657 how-tos , user-experience , seo Optimize Time to First Byte (mal )Jan 19, 2023 656 optimization Why We Switched CDNs: How Google’s Core Web Vitals Led Us to Cloudflare Pages Jan 17, 2023 655 content-delivery , web-vitals , cloudflare The Truth About CSS Selector Performance (pat )Jan 17, 2023 654 css , selectors Optimizing the Image Element LCP (sma )Jan 16, 2023 653 web-vitals , images Speeding Up the JavaScript Ecosystem—Module Resolution (mar )Jan 15, 2023 652 javascript , modules , esm , commonjs Why Not “document.write()”? (css )Jan 10, 2023 651 javascript Our Top Core Web Vitals Recommendations for 2023 (phi +)Jan 10, 2023 650 web-vitals , best-practices Why Web Performance Still Matters in 2023 (sia )Jan 6, 2023 649 Priority Hints and Optimizing LCP (kev )Jan 2, 2023 648 web-vitals , optimization , hints Performance Culture Through the Looking-Glass (per )Dec 27, 2022 647 videos , culture The RUM Archive and Benford’s Law (per )Dec 24, 2022 646 HTTP/3 Prioritization Demystified (pro /per )Dec 23, 2022 645 http , protocols Signals: The Nitty-Gritty (web /per )Dec 21, 2022 644 javascript , signals Bad Performance Is Bad Accessibility (bru )Dec 20, 2022 643 accessibility The Performance Inequality Gap, 2023 (sli )Dec 19, 2022 642 javascript , metrics Beating Latency on Scalemates.com (tim /per )Dec 19, 2022 641 optimization Using Inline JavaScript Modules to Prevent CSS Blockage (sto /per )Dec 17, 2022 640 javascript , css An HTML-First Mental Model (noa /per )Dec 15, 2022 639 html , dom Get Off the Main Thread With an Inline Web Worker: An Example (sto /per )Dec 14, 2022 638 javascript , web-workers , examples LCP(FE) (tim /per )Dec 11, 2022 637 web-vitals Web Performance and Compression (per )Dec 10, 2022 636 compression Optimize Interaction to Next Paint (mal +)Dec 8, 2022 635 optimization , web-vitals Adding Complementary Performance Data to Your Site (mat )Dec 6, 2022 634 apis Accessibility: The Land That “Time to Interactive” Forgot (tin /per )Dec 6, 2022 633 videos , accessibility Reduce Image Sizes by Removing Metadata (per )Dec 5, 2022 632 images , metadata , optimization Fast Is Good, Instant Is Better (tun /per )Dec 4, 2022 631 caching Prerender Pages in Chrome for Instant Page Navigations (tun )Dec 2, 2022 630 browsers , chrome 7 Website Performance Metrics to Track for Better UX (cal )Dec 1, 2022 629 user-experience , metrics Developing Faster JavaScript Apps: The Ultimate Guide to Web Workers (cra )Dec 1, 2022 628 guides , web-apps , web-workers , javascript Speeding Up the JavaScript Ecosystem—One Library at a Time (mar )Nov 29, 2022 627 javascript , libraries Minification and Cache Directives for the Most Popular Websites of the Internet (dvk )Nov 29, 2022 626 minification , tooling , lightning-css , html-minifier , caching , metrics Lazy Loading Images in HTML (sim )Nov 26, 2022 625 html , lazy-loading A Guide to Image Optimization on Jamstack Sites (daw /sma )Nov 17, 2022 624 guides , images , compression , optimization , tech-stacks , jamstack Improving React Interaction Times by 4× Nov 16, 2022 623 react , optimization Early Learnings for Early Hints at Shopify (sia /per )Nov 8, 2022 622 videos , case-studies , shopify , hints Client-Side Routing Without the JavaScript (rya /thi )Nov 7, 2022 621 javascript , frameworks 6 Steps to Improve HTML Images for Users and Developers (aus )Nov 4, 2022 620 html , images , responsive-design HTML and CSS Features, Tips for a 10× Faster Page Loading Speed Nov 2, 2022 619 html , css , tips-and-tricks Is Turbopack Really 10× Faster Than Vite? (eva )Nov 1, 2022 618 tooling , bundling , turbopack , vite CSS Runtime Performance Oct 27, 2022 617 slides , css A Beginner’s Guide to Chrome Tracing (nol )Oct 26, 2022 616 guides , browsers , chrome , tracing Conditionally Adaptive CSS—Browser Behavior That Might Improve Your Performance (pep )Oct 25, 2022 615 css , responsive-design Performance (rvi /htt )Oct 25, 2022 614 web-almanac , studies , research , metrics , web-vitals How We Improved React Loading Times by 70% With Next.js Oct 23, 2022 613 react , nextjs , case-studies Which Serverless Edge Platform Has the Fastest Git Deployments? (den )Oct 20, 2022 612 serverless , edge-computing , git , deploying CDN (htt )Oct 13, 2022 611 web-almanac , studies , research , metrics , content-delivery , tooling Speeding Up Async Snippets (css )Oct 12, 2022 610 javascript , asynchronicity How to Animate CSS Box Shadows and Optimize Performance Oct 12, 2022 609 how-tos , css , animations , shadows Sustainable Web Development Strategies Within an Organization (mic /sma )Oct 11, 2022 608 sustainability , optimization SVG Sprites: Old-School, Modern, Unknown, and Forgotten (pep )Oct 10, 2022 607 svg , images , sprites How to Optimize Resource Loading With the “fetchpriority” Attribute (mat /deb )Oct 6, 2022 606 how-tos , html , optimization Optimize Long Tasks (mal )Sep 30, 2022 605 javascript , optimization GIFs Without the .gif: The Most Performant Image and Video Options Right Now (oll /css )Sep 28, 2022 604 multimedia , images , gif , html Performance Budgets: The Easiest Way to a Faster Site (fox /cal )Sep 28, 2022 603 performance-budgets Five Data-Loading Patterns to Boost Web Performance (sma )Sep 27, 2022 602 Page Weight (jam /htt )Sep 26, 2022 601 web-almanac , studies , research , metrics Element Timing: One True Metric to Rule Them All? (spe )Sep 21, 2022 600 time , apis , metrics Will Serving Real HTML Content Make a Website Faster? Let’s Experiment! Sep 21, 2022 599 studies , research , html Total Blocking Time: A Short and Sweet Guide for Happier Users (ben /cal )Sep 15, 2022 598 javascript How to Substantially Slow Down Your Node.js Server Sep 15, 2022 597 how-tos , nodejs Your Next.js Bundle Will Thank You Sep 11, 2022 596 nextjs , bundling How to Improve Largest Contentful Paint for Faster Load Times (fox /cal )Sep 6, 2022 595 how-tos , web-vitals , optimization Critical CSS? Not So Fast! (css )Sep 6, 2022 594 css , critical-path Disabled JavaScript Turns Off Native Lazy Loading (ste )Sep 3, 2022 593 javascript , html , lazy-loading Why Your Website Should Be Under 14 kB in Size Aug 25, 2022 592 protocols Measure What You Impact, Not What You Influence (css )Aug 24, 2022 591 metrics , optimization Optimize Data Fetching Aug 18, 2022 590 data-fetching Can Browsers Optimize the Loading of Third-Party Resources? (add )Aug 17, 2022 589 browsers , embed-code Tip: Use “fetchpriority=high” to Load Your LCP Hero Image Sooner (add )Aug 14, 2022 588 html , web-vitals (Re-)Introducing Gatsby, a Reactive Site Generator Aug 12, 2022 587 gatsby , react , reactivity , site-generators , introductions How and Why We Removed jQuery From GOV.UK Aug 11, 2022 586 jquery , maintainability Core Web Vitals Tools to Boost Your Web Performance Scores (sma )Aug 9, 2022 585 web-vitals , tooling Making a Website Under 1 kB Aug 2, 2022 584 minimalism , html Which Generator Builds Markdown the Fastest? (zac )Jul 29, 2022 583 site-generators , markdown , comparisons 500 ms to 1.7 ms in React: A Journey and a Checklist Jul 28, 2022 582 react Priority Hints—What Your Browser Doesn’t Know (Yet) Jul 25, 2022 581 hints Fix Web Performance for the Long-Term (sia )Jul 25, 2022 580 testing , processes Powerful Image Optimization Tools (lou /sma )Jul 20, 2022 579 link-lists , images , compression , tooling Can SVG Symbols Affect Web Performance? Jul 17, 2022 578 svg , images Avoiding “<img>” Layout Shifts: “aspect-ratio” vs. “width” and “height” Attributes (jaf )Jul 11, 2022 577 web-vitals , comparisons , html , attributes , aspect-ratio , css Frontend Web Performance: The Essentials Jul 3, 2022 576 fundamentals , javascript Faster WordPress Rendering With 3 Lines of Configuration (sto )Jul 2, 2022 575 wordpress , css , http , configuration A CLS Punishment for Progressive Enhancement? (bel /pic )Jun 27, 2022 574 web-vitals , progressive-enhancement Image Guard (j9t )Jun 27, 2022 573 packages , npm , images , compression , jpeg , png , gif , webp , avif Everything You Need to Know About Web Performance (in 5 Minutes) Jun 23, 2022 572 web-vitals , compression Style Scoping Versus Shadow DOM: Which Is Fastest? (nol )Jun 22, 2022 571 selectors , scope , dom , shadow-dom , comparisons , metrics How to Remove 99% of JavaScript From Main Thread (wea )Jun 15, 2022 570 videos , how-tos , javascript What We’ve Learned From One Year of Real User Monitoring Data on GOV.UK Jun 13, 2022 569 monitoring , metrics Measuring the Performance of Typefaces for Users II (sma )Jun 10, 2022 568 typography , fonts Measuring the Performance of Typefaces for Users (sma )Jun 3, 2022 567 typography , fonts Don’t Sink Your Website With Third Parties (sma )Jun 1, 2022 566 embed-code , dependencies Two Lines of CSS That Boosts 7× Rendering Performance May 29, 2022 565 css , rendering Conditionally Loading CSS or Any Resource Using Media Queries (ami )May 18, 2022 564 html , media-queries Rethinking Server-Timing as a Critical Monitoring Tool (sma )May 16, 2022 563 time , http , metrics , monitoring Don’t Fight the Browser Preload Scanner (mal )May 13, 2022 562 browsers , html , parsing How to Use Google CrUX to Analyze and Compare the Performance of JS Frameworks (sma )May 12, 2022 561 how-tos , google , metrics , javascript , frameworks A Management Maturity Model for Performance (sli )May 9, 2022 560 Performance Game Changer: Browser Back/Forward Cache (tun /sma )May 9, 2022 559 browsers , caching , web-vitals Get to Know Your Browser’s Performance Profiler May 5, 2022 558 browsers , tooling , profiling Understanding the Performance Impact of Anti-Flicker Snippets (spe )Apr 28, 2022 557 web-vitals Is Measuring Speed a Useful Metric for Design Systems? (amy +)Apr 26, 2022 556 videos , metrics , design-systems Faster Initialization of Instances With New Class Features (joy )Apr 20, 2022 555 browsers , javascript , javascript-engines , v8 How to Improve Core Web Vitals (8 Ways) Apr 15, 2022 554 how-tos , web-vitals The Ultimate Guide to Optimizing JavaScript for Quick Page Loads (ste /bui )Apr 13, 2022 553 guides , javascript , optimization Core Web Vitals: Finding Common Ground Between SEOs and Developers (moz )Apr 5, 2022 552 web-vitals , seo , metrics How to Optimize Your LCP (with Visuals) (ste )Mar 29, 2022 551 how-tos , web-vitals , optimization Optimising Largest Contentful Paint (css )Mar 28, 2022 550 web-vitals Picture Perfect Images With the Modern “<img>” Element (add )Mar 28, 2022 549 images , html , web-vitals Speed Needs Design, or: You Can’t Delight Users You’ve Annoyed Mar 24, 2022 548 design , user-experience The Web Is for Everyone: Our Vision for the Evolution of the Web (moz )Mar 23, 2022 547 web , outlooks , privacy , security , accessibility , user-experience Optimising Core Web Vitals on SPAs (sim )Mar 22, 2022 546 web-vitals , single-page-apps , optimization Improving Your User Experience to Reduce Bounce Rates (uxm )Mar 21, 2022 545 user-experience , usability , seo Performance Tests on Common JavaScript Array Methods (hac )Mar 19, 2022 544 testing , javascript , arrays Optimizing SVG Patterns to Their Smallest Size (css )Mar 18, 2022 543 svg , images The Impact That High Quality Mark-Up Can Have on Accessibility, Performance, and Discoverability Mar 18, 2022 542 videos , html , accessibility Making the World’s Fastest Website, and Other Mistakes Mar 15, 2022 541 mistakes The Weirdly Obscure Art of Streamed HTML Mar 15, 2022 540 html , streaming Ten Years of Page Bloat: What Have We Learned? (spe )Mar 8, 2022 539 web-vitals , user-experience 7 Ways to Achieve a Faster Core Web Vitals Score (hac )Mar 7, 2022 538 web-vitals Performance Signals for Customizing Website UX (tun /sma )Mar 7, 2022 537 user-experience , web-vitals , customization A New Speed Milestone for Chrome Mar 7, 2022 536 browsers , chrome Should Frontend Devs Care About Performance? Feb 27, 2022 535 Top 2021 CSS Frameworks Report: The CSS File Sizes (cit )Feb 26, 2022 534 studies , research , frameworks , css How to Make MPAs That Are as Fast as SPAs (cfe )Feb 23, 2022 533 how-tos , multi-page-apps , single-page-apps Improving a CDN’s Cache Hit Ratio (erw )Feb 23, 2022 532 content-delivery , caching Minimizing Google Fonts by Only Loading It for Certain Characters (ami )Feb 20, 2022 531 typography , google , fonts , minimalism Core Web Vitals: What Next? (moz )Feb 18, 2022 530 web-vitals , seo The Difference Between Brotli and Gzip Compression Algorithms to Speed Up Your Site Feb 9, 2022 529 compression , brotli , gzip This Is Why Your Node.js Application Is Slow Feb 8, 2022 528 nodejs Reducing the Web’s Carbon Footprint: Optimizing Social Media Embeds (mic /sma )Feb 3, 2022 527 social-media , embed-code , sustainability Improving JavaScript Bundle Performance With Code-Splitting (cod /sma )Feb 2, 2022 526 javascript , bundling , code-splitting , optimization Speed Matters, but It Isn’t Everything Jan 31, 2022 525 user-experience , metrics Caching Header Best Practices (sim )Jan 27, 2022 524 caching , http , http-headers , best-practices Optimize Your PNGs With Oxipng and pre-commit (ada )Jan 20, 2022 523 images , png , compression , tooling Big Images, Blazingly Fast Jan 20, 2022 522 images , quality How to Avoid Layout Shifts Caused by Web Fonts (sim )Jan 19, 2022 521 how-tos , user-experience , fonts Website Performance and the Planet (fer )Jan 12, 2022 520 sustainability , caching Memory Leaks: The Forgotten Side of Web Performance (nol )Jan 5, 2022 519 memory Improving WordPress Performance: An Open Letter (erw )Jan 3, 2022 518 open-letters , wordpress , css , javascript A Unified Theory of Web Performance (sli /per )Dec 31, 2021 517 Exposing Mid-Resource LCP Values (per )Dec 31, 2021 516 web-vitals Page Visibility: If a Tree Falls in the Forest… (pau /per )Dec 31, 2021 515 web-vitals , user-experience Using Diagnostic Metrics (per )Dec 30, 2021 514 metrics Practical Tips for Load-Testing Web Applications (per )Dec 29, 2021 513 testing , tips-and-tricks , web-apps The Business Case for Performance (per )Dec 26, 2021 512 economics Faster Websites by Using Less HTML (j9t )Dec 25, 2021 511 cross-posts , html , optimization , minimalism Redirect Liquidation (tim /per )Dec 23, 2021 510 optimization , redirecting Frontend Web Performance: The Essentials Dec 22, 2021 509 fundamentals , rendering Web Performance, Core Web Vitals, and Vanity Metrics (per )Dec 19, 2021 508 web-vitals , metrics Hands On With the New Responsiveness Metrics (per )Dec 16, 2021 507 responsive-design , metrics Explain Like I’m Five: Web Performance Optimization (sto /per )Dec 15, 2021 506 optimization Performance Implications of JavaScript Errors (per )Dec 14, 2021 505 javascript , errors Defer Non-Critical Resources (per )Dec 12, 2021 504 html Caching: Understanding the Scope (per )Dec 9, 2021 503 caching Test Your Product on a Crappy Laptop (eri /css )Dec 7, 2021 502 testing , usability HTTP Compression (per )Dec 6, 2021 501 http , protocols , compression Have Core Web Vitals Made the Web Faster? (tun /per )Dec 5, 2021 500 web-vitals Plugging Memory Leaks in Your App (sto /per )Dec 4, 2021 499 memory Request for a General Theory of Web Performance (per )Dec 3, 2021 498 Page Weight (htt )Dec 1, 2021 497 web-almanac , studies , research , metrics Smashing Podcast Episode 44 With Chris Ferdinandi: Is the Web Dead? (cfe +/sma )Nov 30, 2021 496 podcasts , interviews , web-platform , standards , tooling , developer-experience 7 Ways to Improve Node.js Performance at Scale (app )Nov 24, 2021 495 nodejs , optimization How JavaScript Engines Achieve Great Performance Nov 22, 2021 494 javascript , javascript-engines Improving the Performance of Wix Websites (Case Study) (sma )Nov 22, 2021 493 monitoring , culture , case-studies Designing Sustainable Websites (ger )Nov 21, 2021 492 sustainability , software-design Performance (sia /htt )Nov 17, 2021 491 web-almanac , studies , research , metrics , user-experience Get Your “Head” Straight (css /btc )Nov 15, 2021 490 videos , html Your CSS Is an Interface (eri )Nov 15, 2021 489 css Why IndexedDB Is Slow and What to Use Instead Nov 15, 2021 488 databases , indexeddb , javascript Using Web Workers to Boost Third-Party Script Performance (log )Nov 12, 2021 487 web-workers , javascript Why Your Website Should Not Use Dithered Images Nov 12, 2021 486 images , dithering , compression Chrome DevTools: Record and Playback Your User Journeys Nov 5, 2021 485 dev-tools , user-experience , browsers , chrome Everything You Have to Know About Core Web Vitals (fox /cal )Nov 4, 2021 484 web-vitals How to Implement Memoization in React to Improve Performance Nov 4, 2021 483 how-tos , react , memoization , optimization Best Practices on Embedding Third-Party Web Widgets Oct 27, 2021 482 embed-code , best-practices Building an Effective Image Component Oct 25, 2021 481 components , javascript Web Performance Metrics Cheatsheet (ire )Oct 25, 2021 480 metrics , cheat-sheets How I Made Google’s Data Grid Scroll 10× Faster With One Line of CSS Oct 20, 2021 479 css Optimizing Resource Loading With the Fetch Priority API (add +)Oct 20, 2021 478 data-fetching , apis , optimization New HTTP Standards for Caching on the Modern Web (pim )Oct 20, 2021 477 http , protocols , caching , standards My Challenge to the Web Performance Community (phi )Oct 6, 2021 476 jsPerf—Online JavaScript Performance Benchmark Oct 2, 2021 475 websites , javascript Using Modern Image Formats: AVIF and WebP (add /sma )Sep 29, 2021 474 images , avif , webp , jpeg , png , comparisons , compression Faster React Apps With Memoization Sep 28, 2021 473 react , memoization ct.css—Let’s Take a Look Inside Your “<head>” (css )Sep 22, 2021 472 css , debugging Small Bundles, Fast Pages: What to Do With Too Much JavaScript (cal )Sep 16, 2021 471 javascript , bundling Optimizing Images on the Web Sep 15, 2021 470 images , cloudflare Vanilla JS Is a Web Performance Decision (cfe )Sep 9, 2021 469 javascript Blowing Up HTML Size With Responsive Images (deb )Sep 8, 2021 468 html , images , responsive-design Designing for Long Waits and Interruptions: Mitigating Breaks in Workflow in Complex Application Design (nng )Sep 5, 2021 467 user-experience , complexity Writing High-Performance JavaScript (cfe )Aug 31, 2021 466 javascript What Are the Web Performance Metrics That Actually Matter? (cfe )Aug 30, 2021 465 metrics Lighthouse Scores Do Not Affect Google Search/SEO (erw )Aug 27, 2021 464 lighthouse , google , search , seo HTTP/3: Performance Improvements (pro /sma )Aug 23, 2021 463 http , protocols Does Shadow DOM Improve Style Performance? (nol )Aug 15, 2021 462 dom , shadow-dom , rendering Big O, Code Efficiency Analysis Aug 13, 2021 461 algorithms “<Lazy>” Rendering in Vue to Improve Performance Aug 10, 2021 460 vuejs , client-side-rendering , optimization A Performance-Focused Workflow Based on Google Tools Aug 9, 2021 459 web-vitals , tooling , google How We Reduced Next.js Page Size by 3.5× and Achieved a 98 Lighthouse Score Aug 2, 2021 458 nextjs , lighthouse , case-studies CSS Architecture and Performance in Micro Frontends Jul 29, 2021 457 css , architecture , micro-frontends Learnings From a WebPageTest Session on CSS-Tricks (chr /css )Jul 28, 2021 456 webpagetest A Beginner’s Guide to Lighthouse Jul 27, 2021 455 guides , lighthouse , web-vitals How to Eliminate Render-Blocking Resources: A Deep Dive (sia )Jul 23, 2021 454 how-tos , rendering What Is Tree Shaking? (cfe )Jul 15, 2021 453 javascript , concepts , tree-shaking The Performance Effects of Too Much Lazy-Loading (rvi +)Jul 15, 2021 452 web-vitals , lazy-loading Performance Design: The Illusion of Speed Jul 8, 2021 451 user-experience Resource Inlining in JavaScript Frameworks (mge )Jun 28, 2021 450 javascript , frameworks , web-vitals Making the Web—Faster Jun 23, 2021 449 web , developer-experience , principles Half the Size of Images by Optimising for High Density Displays (jaf )Jun 11, 2021 448 html , images Serving Sharp Images to High Density Screens (jaf )Jun 11, 2021 447 images What Can the HTTP Archive Tell Us About Largest Contentful Paint? (pau )Jun 7, 2021 446 Using AVIF to Compress Images on Your Site Jun 7, 2021 445 images , avif , compression Best Practices for Fonts (tun )Jun 3, 2021 444 fonts , best-practices How to Fix Cumulative Layout Shift (CLS) Issues (tun /sma )Jun 2, 2021 443 how-tos , web-vitals CSS for Web Vitals (una )Jun 2, 2021 442 css , web-vitals Elasticsearch Boolean Query Performance (ast )May 30, 2021 441 tooling , search Tree-Shaking: A Reference Guide (ati /sma )May 14, 2021 440 guides , optimization , javascript , tree-shaking Reducing HTML Payload With Next.js (Case Study) (sma )May 5, 2021 439 nextjs , html , case-studies An Introduction to Performance Budgets Apr 21, 2021 438 introductions , performance-budgets , metrics The Lazy-Loading Property Pattern in JavaScript (nza )Apr 20, 2021 437 javascript , software-design-patterns , lazy-loading 9 Principles of Good Web Design Apr 10, 2021 436 design , principles , simplicity , navigation , content , layout , mobile Bypassing Cookie Consent Banners in Lighthouse and WebPageTest (and )Mar 25, 2021 435 consent-management , cookies , lighthouse , webpagetest , testing The 5-Hour CDN (fly )Mar 16, 2021 434 content-delivery Measuring Web Performance in Mobile Safari (css )Feb 26, 2021 433 testing , mobile , browsers , safari What About Ember? (tka )Jan 26, 2021 432 emberjs Front-End Performance 2021: Assets Optimizations (vit /sma )Jan 12, 2021 431 checklists , link-lists , compression , images Front-End Performance 2021: Build Optimizations (vit /sma )Jan 12, 2021 430 checklists , link-lists , building Front-End Performance 2021: Delivery Optimizations (vit /sma )Jan 12, 2021 429 checklists , link-lists Testing Performance (kel )Jan 12, 2021 428 testing HTML and CSS Techniques to Reduce Your JavaScript (per )Dec 27, 2020 427 html , css , javascript Continuous Performance Analysis With Lighthouse CI and GitHub Actions (css )Dec 23, 2020 426 lighthouse , github-actions Optimizing Image Depth (mey /css )Dec 18, 2020 425 images , quality , optimization Page Weight (htt )Dec 10, 2020 424 web-almanac , studies , research , metrics Time to Say Goodbye to Google Fonts: Cache Performance Nov 30, 2020 423 google , fonts , caching Ruthlessly Eliminating Layout Shift on netlify.com (zac )Nov 25, 2020 422 netlify , web-vitals , optimization Best Practices for Inclusive Textual Websites Nov 23, 2020 421 security , accessibility , best-practices Measuring Core Web Vitals With Sentry (fon /css )Nov 17, 2020 420 web-vitals , tooling Warp: Improved JS Performance in Firefox 83 (jan /moz )Nov 13, 2020 419 firefox , browsers , javascript , spidermonkey , javascript-engines The What, Why, and How of Using a Skeleton Loading Screen (tre )Nov 12, 2020 418 placeholders , react Core Web Vitals: A Guide to Google’s Web Performance Metrics (cra )Oct 15, 2020 417 guides , google , web-vitals Signed Exchanges (SXGs) (twi )Oct 14, 2020 416 authentication , signed-exchanges , web-packaging How to Create High-Performance CSS Animations (rac )Oct 6, 2020 415 how-tos , css , animations Reducing the Site Speed Impact of Third-Party Tags Oct 2, 2020 414 embed-code Enforcing Performance Budgets With Webpack (css )Sep 18, 2020 413 performance-budgets , webpack AVIF Has Landed (jaf )Sep 8, 2020 412 images , avif , quality , jpeg , webp , svg , png , comparisons Loading Third-Party JavaScript (add )Aug 20, 2020 411 javascript Performance Is an Issue of Equity (clo )Aug 11, 2020 410 accessibility Lazy Loading Images in Svelte (css )Jul 16, 2020 409 images , lazy-loading , svelte Methods of Improving and Optimizing Performance in React Apps (sma )Jul 16, 2020 408 react , optimization We Need More Inclusive Web Performance Metrics (sco )Jul 6, 2020 407 metrics , dei How I Used Brotli to Get Even Smaller CSS and JavaScript Files at CDN Scale (css )Jun 5, 2020 406 compression , brotli 5 Projects to Help You Master Modern CSS (cra )May 31, 2020 405 css , print , forms Core Web Vitals (chr /css )May 28, 2020 404 web-vitals , metrics On Fixed Elements and Backgrounds (hui )May 25, 2020 403 css , backgrounds , positioning , scrolling Speed Up Google Fonts (css )May 19, 2020 402 google , fonts The Need for Speed, 23 Years Later (nng )May 17, 2020 401 user-experience , history Maybe You Don’t Need That SPA May 12, 2020 400 single-page-apps , javascript , react , marko prerender.js (chr /css )May 10, 2020 399 libraries Introducing Web Vitals: Essential Metrics for a Healthy Site May 5, 2020 398 introductions , web-vitals , metrics Real-World Effectiveness of Brotli (css )Apr 22, 2020 397 compression , brotli , comparisons The Cost of JavaScript Frameworks (tka )Apr 21, 2020 396 javascript , frameworks , metrics , jquery , vuejs , angular , react Start Render: The Web Performance Metric That Heralds the End of the Blank Page Mar 27, 2020 395 metrics , web-vitals Performance Tips: Minifying HTML, CSS, and JS Mar 25, 2020 394 videos , html , css , javascript , minification , tips-and-tricks Setting Height and Width on Images Is Important Again (tun /sma )Mar 9, 2020 393 html , images , web-vitals Improving Perceived Performance With the CSS “font-display” Property (the )Feb 23, 2020 392 css , fonts Encrypting DNS Query Bad for Performance? (erw )Feb 20, 2020 391 dns , http , encryption , security Page Builders Might Not Be a Good Idea (cit )Feb 20, 2020 390 maintainability , consistency , quality Do This to Improve Image Loading on Your Website (fon /css )Feb 19, 2020 389 images , html Google Tag Manager vs. Page Speed: The Impact and How to Improve Feb 18, 2020 388 google , tag-management , analytics , optimization The Web in 2020: Extensibility and Interoperability (una /css )Jan 22, 2020 387 web-platform , extensibility , interoperability , houdini , variable-fonts , custom-properties , logical-properties , web-components , media-queries Should You Self-Host Google Fonts? (tun )Jan 12, 2020 386 fonts , google , self-hosting Improving Site Performance With Webpack Tree Shaking Jan 10, 2020 385 optimization , webpack , tree-shaking Performance Budgets, Pragmatically (css )Jan 8, 2020 384 performance-budgets Putting Devs Before Users: How Frameworks Destroyed Web Performance Jan 2, 2020 383 frameworks , developer-experience An HTML Optimizer’s Config for HTML Minifier (j9t )Dec 20, 2019 382 html , html-minifier , minification , optimization , configuration , minimalism How Do You Remove Unused CSS From a Site? (chr /css )Nov 19, 2019 381 css , tooling Stop Using Ridiculously Low DNS TTLs (jed )Nov 3, 2019 380 dns , content-delivery , load-balancing Speed Up Your Website With WebP (sma )Oct 29, 2019 379 optimization , webp , images A Guide to Optimizing Images for Mobile (sma )Oct 22, 2019 378 guides , images , optimization , mobile On Writing Better Markup (j9t )Oct 16, 2019 377 html , quality , maintainability , terminology Workflow Considerations for Using an Image Management Service (chr /css )Oct 16, 2019 376 images , tooling , content-delivery Recipes for Performance Testing Single Page Applications in Webpagetest (pha /css )Oct 10, 2019 375 testing , single-page-apps , tooling , webpagetest Some HTML Is “Optional” (chr /css )Sep 11, 2019 374 html , standards Faster Image Loading With Embedded Image Previews (sma )Aug 23, 2019 373 images , lazy-loading , techniques , javascript Other Ways to SPAs (chr /css )Aug 21, 2019 372 single-page-apps , tooling Lazy Load Embedded YouTube Videos (chr /css )Aug 20, 2019 371 youtube , lazy-loading , embed-code Optional HTML: Everything You Need to Know (j9t )Aug 20, 2019 370 html , minimalism Accessibility and Web Performance Are Not Features, They’re the Baseline (fon /css )Aug 16, 2019 369 accessibility , amp , user-experience Handling Unused CSS in Sass to Improve Performance (sma )Aug 9, 2019 368 css , sass , optimization What CMS to Use for Optimale TTFB (and Site Speed?) (erw )Aug 2, 2019 367 content-management , metrics , wp-engine , automattic I Used the Web for a Day on a 50 MB Budget (sma )Jul 29, 2019 366 mobile How Google Pagespeed Works: Improve Your Score and Search Engine Ranking (ben /css )Jul 25, 2019 365 google , tooling , lighthouse , seo Browsers Are Pretty Good at Loading Pages, It Turns Out Jul 21, 2019 364 javascript , rendering , browsers The Simplest Way to Load CSS Asynchronously (sco )Jul 19, 2019 363 css , asynchronicity Shifting the Performance Burden (sco )Jul 3, 2019 362 Optimizing Google Fonts Performance (sma )Jun 20, 2019 361 google , fonts , optimization How to Increase Your Page Size by 1,500% With Webpack and Vue (bur /css )Jun 19, 2019 360 webpack , vuejs The Problem With Web Development Checklists, or: The Frontend Checklist, Revised (j9t )Jun 19, 2019 359 checklists , html , accessibility , seo , social-media Responsible JavaScript (mal /ali )Jun 13, 2019 358 javascript , tree-shaking , code-splitting , embed-code , transpiling , tooling Image Optimization in WordPress (sma )Jun 6, 2019 357 wordpress , images , optimization Self-Host Your Static Assets (css )May 31, 2019 356 self-hosting , caching Characteristics of a Strong Performance Culture (tka )May 29, 2019 355 culture , principles Understanding Image Compression: Tooling and Context (j9t )May 22, 2019 354 images , compression , tooling The Scoville Scale of Web Font Loading Opinions (zac /btc )May 18, 2019 353 videos , fonts Browser Resource Hints: “preload”, “prefetch”, and “preconnect” (mat /deb )May 12, 2019 352 hints , html , http-headers , http , preloading Optimizing Performance With Resource Hints (dre /sma )Apr 17, 2019 351 hints , optimization The Serif Tax (chr /css )Apr 9, 2019 350 fonts , ttf Improving Perceived Performance With the Link “rel=preconnect” HTTP Header (and )Mar 22, 2019 349 http , http-headers , hints “Cache-Control” for Civilians (css )Mar 4, 2019 348 caching , http How to Avoid DOM Blocking in JavaScript (cra )Feb 21, 2019 347 how-tos , dom , javascript Rendering on the Web (add +)Feb 6, 2019 346 server-side-rendering , client-side-rendering , rendering , hydration , seo 8 Reasons Why You’re Doing SEO Wrong (erw )Jan 29, 2019 345 seo HTML and Performance: Leave Out Optional Tags and Quotes (j9t )Jan 29, 2019 344 html The Ethics of Web Performance (tka )Jan 9, 2019 343 ethics , accessibility The Elements of UI Engineering (dan )Dec 30, 2018 342 user-experience , consistency , navigation , prioritization , accessibility , internationalization , resilience Static vs. Server Rendering Dec 15, 2018 341 rendering , comparisons , react Speed Up Next-Page Navigations With Prefetching (add )Dec 13, 2018 340 hints , html , http-headers , http , webpack Keeping Sass Simple and Speedy on Eleventy (phi )Dec 12, 2018 339 sass , eleventy On Visions for Performance, or: Performance Optimization Is a Process (j9t )Dec 4, 2018 338 optimization , outlooks , processes Tips to Help You Write Faster MySQL Queries Dec 4, 2018 337 mysql , databases , tips-and-tricks Front-End Developers Have to Manage the Loading Experience (chr /css )Nov 28, 2018 336 user-experience Performance Rule #1: Do What You Need to Do—But Not More (j9t )Nov 13, 2018 335 simplicity PageSpeed Insights, Now Powered by Lighthouse (che +)Nov 12, 2018 334 tooling , lighthouse Improve Animated GIF Performance With HTML5 Video (sma )Nov 5, 2018 333 images , gif , multimedia Performance Budgets 101 Nov 5, 2018 332 introductions , performance-budgets , metrics A Netflix Web Performance Case Study (add )Nov 5, 2018 331 netflix , case-studies Reduce JavaScript Payloads With Code Splitting (mal )Nov 5, 2018 330 javascript , code-splitting A Guide to Caching in WordPress Oct 15, 2018 329 guides , wordpress , caching , plugins How to Configure Lighthouse for Balanced Quality Websites (j9t )Oct 15, 2018 328 how-tos , lighthouse , configuration , quality A Minimal JavaScript Setup (css )Sep 26, 2018 327 javascript , conventions , naming , scope , maintainability , examples Chrome’s Noscript Intervention (tka )Sep 6, 2018 326 chrome , browsers , javascript , mobile 20 Tips for Optimizing CSS Performance (cra )Aug 27, 2018 325 css , optimization , tips-and-tricks Variable Fonts: What They Are, and How to Use Them Aug 14, 2018 324 how-tos , fonts , variable-fonts Browser Painting and Considerations for Web Performance (css )Aug 9, 2018 323 browsers , browser-engines , painting , rendering Slow Websites (geo /css )Aug 7, 2018 322 performance-budgets The Cost of JavaScript in 2018 (add )Aug 1, 2018 321 javascript , code-splitting , lazy-loading , performance-budgets , bundling HTTP/2: The Difference Between HTTP/1.1, Benefits, and How to Use It Jul 26, 2018 320 protocols , http , comparisons Delivering WordPress in 7 KB (css )Jul 10, 2018 319 wordpress , themes HTTP/2: Background, Performance Benefits, and Implementations Jul 4, 2018 318 protocols , http Improving Performance Perception: On-Demand Image Resizing (swa )Jul 2, 2018 317 optimization , images , resizing , html Tips for Writing Better Performing PHP Code Jun 26, 2018 316 php , tips-and-tricks How I Dropped 250 KB of Dead CSS Weight With PurgeCSS (sar )Jun 25, 2018 315 css , purgecss The Four Big Ways Jetpack Helps With Image Performance (css )Jun 19, 2018 314 wordpress , plugins , images Here’s the Thing About “Unused CSS” Tools (chr /css )Jun 18, 2018 313 css , quality , tooling 7 Performance Tips for Jank-Free JavaScript Animations Jun 15, 2018 312 javascript , animations , tips-and-tricks Making Your Website Faster and Safer With Cloudflare Jun 12, 2018 311 caching , security , cloudflare How Do You Know Your Website Is a Success? (sma )May 29, 2018 310 product-management , strategies , metrics , user-experience , content , microcontent , navigation , testing Page Transitions for Everyone (css )May 14, 2018 309 design , user-experience , animations , transitions , caching Introducing Last Painted Hero (spe )Apr 4, 2018 308 introductions How Fast Is AMP Really? (tka )Mar 19, 2018 307 amp , metrics Three Techniques for Performant Custom Font Usage (oll /css )Mar 5, 2018 306 fonts , techniques , flash-of-x AMP News (chr /css )Feb 26, 2018 305 amp , community Website Performance—Does Your Hosting Plan Matter? Jan 23, 2018 304 hosting Why Fast Matters (css /btc )Jan 20, 2018 303 videos , economics Finding Dead CSS (css )Jan 17, 2018 302 css , maintenance How to Optimize CSS and JS for Faster Sites Jan 17, 2018 301 how-tos , css , javascript , minification , optimization SYN Packet Handling in the Wild Jan 15, 2018 300 tcp , protocols , network Performance of CSS Selectors Is Still Irrelevant (j9t )Nov 29, 2017 299 css , selectors Progressive Web Apps: A Crash Course Nov 24, 2017 298 crash-courses , web-apps , progressive-web-apps , lighthouse Optimizing CSS: Tweaking Animation Performance With DevTools Nov 23, 2017 297 css , animations , optimization , dev-tools , browsers , firefox On Big Picture Thinking in Web Development (j9t )Nov 22, 2017 296 user-experience , maintainability , consistency , accessibility , outlooks How to Optimize SQL Queries for Faster Sites Nov 20, 2017 295 how-tos , sql , mysql , databases , caching , optimization Understanding the “Vary” Header (sma )Nov 2, 2017 294 http , http-headers , caching The Front-End Checklist (the )Oct 18, 2017 293 websites , checklists , html , css , javascript , images , accessibility , seo The State of the Web (fox )Aug 31, 2017 292 web Using the Paint Timing API (mal /css )Aug 16, 2017 291 apis , time , painting , rendering , javascript (Now More Than Ever) You Might Not Need jQuery (oll /css )Jul 12, 2017 290 jquery , javascript , ajax , comparisons , examples Three Reasons Why You Should Care About Google Lighthouse (fox /cal )May 31, 2017 289 lighthouse , google What Is the Future of Front End Web Development? (chr /css )May 25, 2017 288 outlooks , user-experience , javascript , documentation , native , web , urls , css , preprocessors , html , building , tooling What We Talk About When We Talk About Web Performance (btc )May 19, 2017 287 videos Let the Content Delivery Network Optimize Your Images (jon /sma )Apr 26, 2017 286 content-delivery , images , optimization Optimizing Web Fonts for Performance: The State of the Art Apr 25, 2017 285 fonts , optimization Brotli and Static Compression (mal /css )Apr 12, 2017 284 compression , brotli , gzip , comparisons What Are Performance Budgets and Why You Should Use One Apr 11, 2017 283 performance-budgets A Comprehensive Guide to HTTP/2 Server Push (mal /sma )Apr 10, 2017 282 guides , http , protocols , servers Guetzli, Google’s New JPEG Encoder (tel )Mar 19, 2017 281 images , jpeg , compression , tooling AMP and the Web (tka )Mar 7, 2017 280 amp , web-platform , web Considering How We Use HTTP/2 (mal /ali )Feb 2, 2017 279 optimization , http , protocols Using HTTP/2 Responsibly: Adapting for Users (mal /ali )Feb 2, 2017 278 http , protocols , support , servers 11 Tips to Optimize JavaScript and Improve Website Loading and Rendering Speeds Dec 13, 2016 277 javascript , optimization , minification , compression , caching The Web, Worldwide (tka )Dec 5, 2016 276 websites , metrics A Checklist for Website Reviews (hcr )Dec 5, 2016 275 checklists , browsers , seo , accessibility , security Performant Parallaxing (aer )Dec 2, 2016 274 scrolling , css , effects , parallax , positioning Performance: Shame, Hope, Nuance, and Interesting Problems (bka )Nov 22, 2016 273 The Joy of Optimizing (una /btc )Nov 15, 2016 272 videos , images , optimization Web Packaging Format Oct 22, 2016 271 web-packaging Next Generation Server Compression With Brotli (mal /sma )Oct 5, 2016 270 compression , brotli , gzip , comparisons When Is the Right Time to Think About Web Performance? (fon /css )Aug 31, 2016 269 processes High Performance SVGs (sar /css )Aug 1, 2016 268 svg , images , tooling , optimization The Performance Benefits of “rel=noopener” (jaf )Jul 21, 2016 267 html , links , security Ways You Need to Tell the Browser How to Optimize (chr /css )May 31, 2016 266 browsers , css , optimization Accessibility and Performance (mar )May 5, 2016 265 accessibility , javascript , optimization Service Workers and PWAs: It’s About Reliable Performance, Not “Offline” (sli )May 4, 2016 264 web-apps , progressive-web-apps , web-workers , javascript , reliability 6 SEO Trends to Watch for in 2016 Mar 17, 2016 263 trends , seo , content , marketing , mobile , social-media How to Optimize Mobile Performance (sma )Mar 15, 2016 262 how-tos , mobile , optimization , performance-budgets , content-management , caching , testing CPP: A Standardized Alternative to AMP (tka )Feb 24, 2016 261 amp , policies Critical Metric: Critical Resources Feb 10, 2016 260 metrics , css , javascript Lazy-Loading Images: How Not to Really Annoy Your Users Jan 19, 2016 259 images , lazy-loading , jquery Why You Should Choose Your Own HTTPS (hel )Jan 6, 2016 258 http , content-delivery , tooling , cloudflare 10 Web Predictions for 2016 (cra )Jan 6, 2016 257 web , outlooks , security , site-generators , browsers , css , mobile , webassembly , seo The Problem With Progressive Enhancement Jan 5, 2016 256 progressive-enhancement , javascript , resilience Critical Web Fonts (zac )Jan 4, 2016 255 fonts , css , flash-of-x , critical-path , metrics The Cost of Frameworks Recap (chr /css )Nov 20, 2015 254 frameworks JavaScript Frameworks and Mobile Performance Nov 16, 2015 253 javascript , frameworks , mobile Loading Web Fonts With the Web Font Loader (fon /css )Nov 16, 2015 252 fonts , flash-of-x , user-experience Design + Performance (zem /btc )Nov 10, 2015 251 videos , design , user-experience HTTP/2: The Pros, the Cons, and What You Need to Know Oct 23, 2015 250 protocols , http Performance Budgets in Action (spe )Oct 20, 2015 249 performance-budgets Using Web Fonts the Best Way (in 2015) (hel )Oct 8, 2015 248 fonts AMP and Incentives (tka )Oct 8, 2015 247 amp , web Introducing RAIL: A User-Centric Model for Performance (pau /sma )Oct 2, 2015 246 introductions , metrics , user-experience Factors Affecting Website Performance Sep 17, 2015 245 network , browsers , memory , servers , images , multimedia Preloading Images in Parallel With Promises (kit )Sep 10, 2015 244 javascript , promises , images , preloading Delivering Responsibly (sco /btc )Aug 31, 2015 243 videos , usability , accessibility , sustainability 10 Common Mistakes Web Developers Make Aug 25, 2015 242 mistakes , html , css , javascript , career 5 Easy Performance Tweaks for Node.js Express (cra )Aug 17, 2015 241 nodejs , express , optimization , compression Strategies for Cache-Busting CSS (chr /css )Aug 14, 2015 240 css , caching , tooling , strategies Understanding Critical CSS (sma )Aug 13, 2015 239 css , critical-path Mastering Image Optimization in WordPress Aug 5, 2015 238 wordpress , images , optimization React + Performance = ? (aer )Jul 3, 2015 237 react , metrics Page Bloat Update: The Average Web Page Is More Than 2 MB in Size (tam )Jun 11, 2015 236 metrics , comparisons Performance Tools (fon /css )Jun 7, 2015 235 tooling , content-delivery , testing , dev-tools , images , css , javascript , optimization , link-lists Choosing Performance (tka )May 14, 2015 234 facebook+meta Advanced Performance Audits With DevTools (pau )Mar 27, 2015 233 auditing , browsers , dev-tools Tour of a Performant and Responsive CSS Only Site (css )Jan 23, 2015 232 css , parallax , effects , case-studies Planning for Performance (sco /ali )Nov 25, 2014 231 Performance Budget Metrics (tka )Nov 18, 2014 230 performance-budgets , metrics Progress Indicators Make a Slow System Less Insufferable (nng )Oct 26, 2014 229 progress-indicators , user-experience , design The Perception of Performance (lou )Oct 3, 2014 228 user-experience Image Optimization Services (gri /clo )Oct 2, 2014 227 images , optimization , link-lists JS Parse and Execution Time (tka )Sep 26, 2014 226 javascript , parsing , metrics How a New HTML Element Will Make the Web Faster (ars )Sep 2, 2014 225 html , images , responsive-design What I’d Tell My Younger Self About Learning Development as a Web Designer Aug 25, 2014 224 learning , programming , javascript , databases , servers , preprocessors , version-control , security , career Minimising Font Downloads (jaf )Aug 19, 2014 223 fonts , css , optimization , support , browsers Faster YouTube Embeds With JavaScript Aug 12, 2014 222 embed-code , youtube , javascript Introduction to the Resource Timing API Jul 22, 2014 221 introductions , time , apis , javascript Authoring Critical Above-the-Fold CSS (css )Jul 14, 2014 220 css , sass , asynchronicity Optimizing WordPress Performance With P3 Jul 9, 2014 219 wordpress , optimization , plugins Pixels Are Expensive (aer )Jul 3, 2014 218 rendering , painting Speed Up Your WordPress Site Jul 1, 2014 217 wordpress , tooling How to Speed Up WordPress (sma )Jun 25, 2014 216 how-tos , wordpress Cache Invalidation Strategies With Varnish Cache (per /sma )Apr 23, 2014 215 caching , tooling WordPress Performance Improvements That Can Go Wrong (sma )Mar 21, 2014 214 wordpress , plugins Grunt and Gulp Tasks for Performance Optimization Mar 4, 2014 213 yeoman , grunt , gulp , tooling , optimization Controlling Heavy Weight Websites Feb 4, 2014 212 user-experience , case-studies Nine Things to Expect From HTTP/2 (mno )Jan 30, 2014 211 http , protocols , network Web Performance Tricks—Beyond the Basics (swa )Jan 22, 2014 210 tips-and-tricks , html , css , optimization , link-lists Packaging on the Web (jen +/tag )Jan 21, 2014 209 web-packaging The Complete Guide to Reducing Page Weight (cra )Jan 14, 2014 208 guides , compression , caching , content-delivery , minification Responsive HTML5 Apps: Write Once, Run Anywhere? Where Is Anywhere? (wir )Nov 7, 2013 207 html , web-apps , responsive-design , multimedia Avoiding the 300 ms Click Delay, Accessibly (tka )Nov 7, 2013 206 touch , events , accessibility Flexbox Layout Isn’t Slow (pau )Oct 7, 2013 205 css , flexbox , layout Performance Matters (ali )Oct 3, 2013 204 w3c