Reflows and Repaints: CSS Performance Making Your JavaScript Slow? stu )Mar 27, 2009 113 css , reflow , painting , javascript Performance of CSS Selectors Is Irrelevant j9t )Mar 12, 2009 112 css , selectors Is Optimizing CSS Selectors Worth It? dal /aja )Mar 11, 2009 111 css , selectors , optimization Performance Impact of CSS Selectors Mar 10, 2009 110 css , selectors , metrics Performance and RFC 2396 j9t )Feb 18, 2009 109 links JavaScript Variable Performance nza )Feb 10, 2009 108 javascript , variables Coupling Asynchronous Scripts Dec 27, 2008 107 javascript , asynchronicity , html State of Performance 2008 Dec 17, 2008 106 retrospectives , outlooks Timing in JavaScript and Browsers Can’t Be Trusted dal /aja )Nov 13, 2008 105 javascript , metrics , windows , microsoft UA Profiler and Google Chrome Sep 9, 2008 104 chrome , google , browsers , profiling The Performance Cost of the HTML Tree Builder hsi )Aug 14, 2008 103 html , parsing , metrics What’s the Fastest Way to Code a Loop in JavaScript? Jul 24, 2008 102 javascript , loops , metrics , comparisons , browsers , firefox , mozilla , camino , safari , opera , internet-explorer Non-Blocking JavaScript Downloads sto )Jul 22, 2008 101 javascript State of AJAX for June 2008: Apple Flexes Open Web Muscles dal /aja )Jul 1, 2008 100 browsers , standards , javascript , extjs , dojo , yui , mootools , jquery , css , svg , canvas , tooling , link-lists , ajaxian Rendering Performance in Canvas Compared to SVG and VML dal /aja )Jun 24, 2008 99 rendering , canvas , svg , images , comparisons Preloading Images With jQuery oct /aja )Jun 20, 2008 98 preloading , images , jquery 15 Tools to Help You Develop Faster Web Pages Jun 12, 2008 97 tooling , browser-extensions , link-lists JavaScript Optimization—High Performance JS Apps May 18, 2008 96 javascript , optimization , lazy-loading Ajaxian Roundup for April 2008: CSS Goodness, Ext Licenses, and the Cloud dal /aja )May 1, 2008 95 javascript , jquery , prototypejs , dojo , extjs , mootools , standards , css , mobile , tooling , code-editors , ajaxian , link-lists The Performance Aspect of Acid3 Apr 2, 2008 94 acid-tests , web-platform , browsers , animations Ajaxian Roundup for March 2008: IE 8, Acid3, and Performance dal /aja )Apr 1, 2008 93 browsers , javascript , dojo , dwr , extjs , prototypejs , jquery , css , design , tooling , mobile , databases , comet , ajaxian , link-lists Optimizing Page Loading in the Web Browser ant /web )Mar 23, 2008 92 browsers , optimization IE 8 [Connection] Parallelism Issues dal /aja )Mar 17, 2008 91 internet-explorer , microsoft , browsers IE8 Speeds Things Up Mar 10, 2008 90 internet-explorer , microsoft , browsers , http Include: Pack Your JavaScript With Ease dal /aja )Feb 27, 2008 89 javascript , libraries , minification Does “setTimeout” Solve the “DOMContentLoaded” Problem? Feb 15, 2008 88 javascript , dom , time Is Easy Implementation the Same as Good Code? cod /aja )Feb 13, 2008 87 developer-experience , quality , javascript , embed-code 10 Principles of Effective Web Design vit /sma )Jan 31, 2008 86 principles , design , usability , simplicity , whitespace , conventions , testing A Study of AJAX Performance Issues Jan 22, 2008 85 ajax , javascript , metrics , studies , research Fallacies of Distributed Computing Explained arn )Jan 1, 2008 84 architecture , network Ajaxian Roundup for December 2007: It’s the End of the Year as We Know It dal /aja )Jan 1, 2008 83 browsers , javascript , prototypejs , extjs , yui , jquery , microsoft , dwr , security , gwt , comet , css , mobile , ajaxian , link-lists The Great Browser JavaScript Showdown cod )Dec 19, 2007 82 javascript , metrics , opera , safari , apple , internet-explorer , microsoft , firefox , mozilla , browsers , comparisons Monthly Ajaxian Roundup for November 2007: Defining JavaScript 2, Making Security Less Caja, and Mobile dal /aja )Dec 3, 2007 81 dojo , prototypejs , scriptaculous , mootools , jquery , yui , gwt , extjs , browsers , javascript , apis , mobile , ajaxian , link-lists “replaceHTML” for When “innerHTML” Dogs You Down dal /aja )Sep 13, 2007 80 javascript , html YUI Theater—Joseph Smarr: “High-Performance JavaScript: Why Everything You’ve Been Taught Is Wrong” Aug 29, 2007 79 javascript Web Standards Do—the Way of Web Standards oli /w3c )Jul 15, 2007 78 standards , html , semantics , http , content-negotiation , caching , xml , xhtml , testing , processes , urls , redirecting CSS Selectors—Speed Myths Jul 10, 2007 77 css , selectors , metrics , extjs , jquery , dojo , mootools , prototypejs , internet-explorer , firefox , safari , opera , browsers , comparisons , myths Load Time, the UX Factor: Facts and Measures j9t )Jun 21, 2007 76 user-experience Delay Loading Your Print CSS sto )Jun 17, 2007 75 css , print Faster Page Loads With Image Concatenation Apr 25, 2007 74 images , html , css Adam Bosworth: Why AJAX Failed (Then Succeeded) dal /aja )Feb 1, 2007 73 ajax , user-experience Dynamically Loading Google Analytics mar )Dec 5, 2006 72 javascript , google , analytics The Case for Registering Multiple Domains Oct 30, 2006 71 domains , http Lessons in JavaScript Performance Optimisation: 90 Seconds Down to 3 Seconds mic )Sep 26, 2006 70 lessons , javascript , optimization JavaScript Loop Test Jun 3, 2006 69 javascript , loops , browsers , metrics JavaScript Speed Test: Test Your Browsers dal /aja )Apr 25, 2006 68 javascript , testing , browsers AJAX and [Scalability] mic /aja )Apr 21, 2006 67 ajax , servers , scalability Speeding Up AJAX With JSON aja )Apr 6, 2006 66 ajax , json Fast DOM Queries in Today’s Browsers sli )Mar 18, 2006 65 javascript , dom , browsers , w3c Comet: Low Latency Data for the Browser sli )Mar 3, 2006 64 comet , ajax , javascript 10 Realistic Steps to a Faster Web Site Feb 2, 2006 63 servers , caching AJAX and CSS Optimization Jan 28, 2006 62 ajax , javascript , css , optimization , compression AJAX Perf—Comparing the Atlas and Prototype Class Idioms Dec 21, 2005 61 javascript , comparisons Ten Steps to a More User Friendly Website Sep 14, 2005 60 flash , images , compression , link-rot , html , conformance , browsers , support , navigation , readability , quality Apache Performance Testing Mar 13, 2005 59 servers , apache , testing 5 Questions for Your Web Development Team joh )Jun 25, 2004 58 mobile , legal , accessibility , maintainability , extensibility , search CSS Sprites: Image Slicing’s Kiss of Death dav /ali )Mar 5, 2004 57 css , images , sprites Is Bloated CSS the New HTML? jus )Oct 27, 2003 56 css , caching By Logical Extension bee )Oct 20, 2003 55 css , selectors 12 Steps to Faster Flash Apr 30, 2003 54 flash Effects of CSS-Based Design dav )Dec 12, 2002 53 html , css , conformance Checking Unix Server Performance Jul 23, 2002 52 servers , unix-like Improving Web Page Loading May 28, 2002 51 optimization , tables , javascript Cache or Check? Apr 19, 2002 50 caching , comparisons Exchanging Information With a Server Without Reloading Your HTML Page Jan 22, 2002 49 html , javascript When Web Pages Don’t Work Aug 29, 2000 48 user-experience , navigation , graceful-degradation , usability , design , testing The 60 Second Battle: Keeping the Visitor Dec 20, 1999 47 user-experience , user-conversion Reduce Network Traffic With Web Caching Sep 8, 1999 46 network , traffic , caching Who Commits the “Top Ten Mistakes” of Web Design? nng )May 16, 1999 45 design , usability , mistakes W3C Unveils a Cure for Web Crawl Apr 20, 1997 44 w3c , protocols , http , crawling HTTP Further Clogs Congested Arteries Jul 15, 1996 43 http , protocols Code Quality Checker 42 tools , analysis , quality , optimization Website Analyzer (Accessify) 41 tools , analysis , quality , optimization Website Experience Analyzer 40 tools , analysis , user-experience , security CDN Use Checker 39 tools , analysis , content-delivery Gzip and Brotli Checker 38 tools , analysis , compression , brotli , gzip Gzip Checker 37 tools , analysis , compression , gzip HTML Size Analyzer deb )36 tools , analysis , html Image Performance Analyzer 35 tools , analysis , images Load Time and Object Checker 34 tools , analysis Load Time Checker 33 tools , analysis Web Vitals Analyzer (Calibre) cal )32 tools , analysis , web-vitals Web Vitals Analyzer (SpeedVitals) 31 tools , analysis , web-vitals Website Browser and Location Speed Tester 30 tools , analysis , geolocation Website Performance Analyzer (GTmetrix) 29 tools , analysis Website Performance Analyzer (KeyCDN) 28 tools , analysis Website Performance Analyzer (PageSpeed) dev )27 tools , analysis Website Performance Analyzer (Pingdom) 26 tools , analysis Website Performance Analyzer (Uptime.com) 25 tools , analysis Website Performance Analyzer (Uptrends) 24 tools , analysis Website Performance Analyzer (wattspeed) 23 tools , analysis Website Performance Analyzer (WebPageTest) 22 tools , analysis , webpagetest Browser Performance Testers 21 tools , exploration , testing , browsers CSS Sprite Generator (Sprite Cow) 20 tools , exploration , code-generation , css , sprites CSS Sprite Generator (Toptal) 19 tools , exploration , code-generation , css , sprites Image Compressor (Compressor.io) 18 tools , exploration , images , compression Image Compressor (WebUtils) 17 tools , exploration , images , compression Image Compressors 16 tools , exploration , images , compression Bandwidth Speed Tester (Bandwidth Place) 15 tools , exploration , network Bandwidth Speed Tester (BroadbandUK) 14 tools , exploration , network Download Time Calculator 13 tools , exploration , network HAR Analyzer and Visualizer 12 tools , exploration , network , visualization Google Lighthouse Report Comparer 11 tools , exploration , google , comparisons Google Lighthouse Scoring Calculator 10 tools , exploration , google Performance Budget Calculator jon )9 tools , exploration , performance-budgets Slow File Download Emulator css +)8 tools , exploration WebPageTest Report Frustration Calculator 7 tools , exploration , user-experience , webpagetest Website Performance Analyzer (DebugBear) deb )6 tools , analysis , web-vitals Website Performance Bulk Analyzer 5 tools , analysis , web-vitals Web Vitals Analyzer (EXPERTE.com) 4 tools , analysis , web-vitals Brotli Checker 3 tools , analysis , compression , brotli Website Performance Analyzer (Treo) 2 tools , analysis , web-vitals Website Performance Comparer 1 tools , analysis , comparisons 