Pinboard (WimLeers) https://pinboard.in/u:WimLeers/public/ recent bookmarks from WimLeers Robin Marx on X: "@stoyanstefanov @wimleers @TimVereecke What a wonderful interaction :) What makes it even better is that I first got interested in #webperf thanks to @wimleers' excellent bachelor (master?) thesis on the topic. Feels like the circle is r 2023-11-04T13:47:59+00:00 https://twitter.com/programmingart/status/1720731041483137436 WimLeerswpo wimleers career https://pinboard.in/ https://pinboard.in/u:WimLeers/b:9dc816d025bc/ Speed - Kagi Search User Guide 2023-05-28T07:02:42+00:00 https://help.kagi.com/kagi/search-details/search-speed.html WimLeerskagi google duckduckgo search web climatechange energy efficiency performance programming wpo https://pinboard.in/ https://pinboard.in/u:WimLeers/b:2f5e5ec7afde/ Colin Bendell op Twitter 2022-06-25T07:36:25+00:00 https://twitter.com/colinbendell/status/1539322190541295616 WimLeerswpo https://pinboard.in/u:WimLeers/b:ba8858493f9c/ Alex Russell on Twitter 2021-10-02T14:12:03+00:00 https://twitter.com/slightlylate/status/1440002688255606785 WimLeersjavascript wpo web performance https://pinboard.in/u:WimLeers/b:9a562ecefaf8/ SoS on Twitter 2021-10-02T14:00:47+00:00 https://twitter.com/SwiftOnSecurity/status/1439294082849906694 WimLeersquotes image funny wpo performance web https://pinboard.in/u:WimLeers/b:81816736fd3c/ Jakub G on Twitter 2021-06-11T06:42:27+00:00 https://twitter.com/__jakub_g/status/1402908479631802368 WimLeerswpo https://pinboard.in/u:WimLeers/b:b0d1adf20089/ The Performance Inequality Gap, 2021 - Infrequently Noted 2021-03-12T16:40:14+00:00 https://infrequently.org/2021/03/the-performance-inequality-gap/ WimLeers2021 wpo https://pinboard.in/u:WimLeers/b:327551b18647/ HTTP/2 Push is dead 2020-11-13T14:24:28+00:00 https://evertpot.com/http-2-push-is-dead/ WimLeershttp http2 api performance wpo https://pinboard.in/ https://pinboard.in/u:WimLeers/b:9b8cf6828a8c/ 1308389645970026496 2020-10-03T08:30:53+00:00 https://twitter.com/jaffathecake/status/1308389645970026496 WimLeerswpo http http2 https://pinboard.in/u:WimLeers/b:d636d0be26be/ Fast and efficient recompression using previous compression artifacts 2020-08-18T01:49:32+00:00 https://dev.to/riknelix/fast-and-efficient-recompression-using-previous-compression-artifacts-47g5 WimLeerscompression algorithms web wpo https://pinboard.in/u:WimLeers/b:10eee1c5c1a5/ content-visibility: the new CSS property that boosts your rendering performance 2020-08-07T07:15:48+00:00 https://web.dev/content-visibility/ WimLeerscss wpo performance https://pinboard.in/u:WimLeers/b:709c66d7dab0/ Use Speedlify to Continuously Measure Site Performance—zachleat.com 2020-07-04T08:20:32+00:00 https://www.zachleat.com/web/speedlify/ WimLeerswpo zachleatherman https://pinboard.in/u:WimLeers/b:acf5af089585/ Devon Govett on Twitter 2020-05-05T15:43:34+00:00 https://twitter.com/devongovett/status/1257342740691550208 WimLeerswpo javascript http2 https://pinboard.in/u:WimLeers/b:4d738431baae/ Gilles Dubuc on Twitter 2020-04-29T14:39:49+00:00 https://twitter.com/MonsieurPerf/status/1255390619020689408 WimLeerswpo wikimedia browser webkit https://pinboard.in/u:WimLeers/b:2591677f30ef/ The Cost of Javascript Frameworks - Web Performance Consulting | TimKadlec.com 2020-04-21T18:36:02+00:00 https://timkadlec.com/remembers/2020-04-21-the-cost-of-javascript-frameworks/ WimLeerswpo javascript https://pinboard.in/u:WimLeers/b:55a0d606bc67/ Gilles Dubuc on Twitter 2020-04-20T17:25:36+00:00 https://twitter.com/MonsieurPerf/status/1252184196426104832 WimLeerswpo cpu history wikipedia https://pinboard.in/u:WimLeers/b:28998185db1c/ SwiftOnSecurity op Twitter: "We’ve come full circle. Static pages with a list of blue links is the most impressive thing on the web right now.… " 2020-03-06T10:59:23+00:00 https://twitter.com/SwiftOnSecurity/status/1233677348337266688 WimLeersweb funny advertising javascript wpo quotes https://pinboard.in/u:WimLeers/b:e71d91ac98aa/ Andree Toonk op Twitter: "I just published a new blog about some experiments with TCP BBR and Exploring TCP congestion control. Pretty interesting results! https://t.co/R9LwF9fa0a… https://t.co/Ga3q9jojUi" 2020-02-18T13:50:26+00:00 https://twitter.com/atoonk/status/1228795767021690880 WimLeerstcpip networking algorithms wpo https://pinboard.in/u:WimLeers/b:9325082d1d36/ Adopting a new approach to HTTP prioritization 2020-01-01T10:44:54+00:00 https://blog.cloudflare.com/adopting-a-new-approach-to-http-prioritization/ WimLeershttp http3 wpo performance algorithms standards 2019 https://pinboard.in/u:WimLeers/b:64d5e6f35894/ HTTP/2 and Subresource Integrity don't always get on - Frontend Web Developer, Oxfordshire, UK - Matt Hobbs 2019-12-21T00:14:34+00:00 https://nooshu.github.io/blog/2019/12/17/http2-and-sri-dont-always-get-on/ WimLeershttp2 wpo cdn https://pinboard.in/u:WimLeers/b:fb8cc69c0de0/ Harry Roberts on Twitter 2019-10-22T08:35:55+00:00 https://twitter.com/csswizardry/status/1185604806901207045 WimLeersjavascript reactjs overengineering html wpo epicfail https://pinboard.in/u:WimLeers/b:f66550271b01/ ✩ Measuring Wikipedia page load times 2019-10-19T02:47:03+00:00 https://phabricator.wikimedia.org/phame/post/view/83/measuring_wikipedia_page_load_times/ WimLeersstatistics wpo https://pinboard.in/u:WimLeers/b:9a6208b12580/ mnot’s blog: How Multiplexing Changes Your HTTP APIs 2019-10-17T08:30:32+00:00 https://www.mnot.net/blog/2019/10/13/h2_api_multiplexing WimLeersmarknottingham http http2 api rest jsonapi graphql reference 2019 performance wpo networking algorithms https://pinboard.in/u:WimLeers/b:e71c50e99ff9/ Page Weight Matters 2019-10-05T08:08:34+00:00 https://blog.chriszacharias.com/page-weight-matters WimLeerswpo youtube accessibility quotes reference 2012 https://pinboard.in/u:WimLeers/b:5df9f0e6c9c1/ ✩ Wikipedia's JavaScript initialisation on a budget 2019-09-19T06:26:06+00:00 https://phabricator.wikimedia.org/phame/live/7/post/175/wikipedia_s_javascript_initialisation_on_a_budget/ WimLeerswpo wikipedia https://pinboard.in/u:WimLeers/b:fc3584fd0e06/ Paul Chavard op Twitter: "JavaScript and web development have nothing (or very little) to do with the problem. Ads industry othe other hand… This is also why all the Google performance evangelists irritate me a bit – your company is largely responsibl 2019-09-04T17:19:00+00:00 https://twitter.com/tchak13/status/1168489797482102786 WimLeersgoogle browser web javascript wpo performance https://pinboard.in/u:WimLeers/b:5f580fd5ca84/ Save-Data Usage - Web Performance Consulting | TimKadlec.com 2019-09-02T18:48:56+00:00 https://timkadlec.com/remembers/2019-08-29-save-data-usage/ WimLeerswpo https://pinboard.in/u:WimLeers/b:6130abbe0067/ How Web Content Can Affect Power Usage | WebKit 2019-09-02T14:47:58+00:00 https://webkit.org/blog/8970/how-web-content-can-affect-power-usage/ WimLeersjavascript energy battery wpo reference https://pinboard.in/u:WimLeers/b:351b4fa189b2/ amp-script: AMP ❤️ JS – The AMP Blog 2019-08-23T09:57:13+00:00 https://blog.amp.dev/2019/08/21/amp-script-amp-heart-js/ WimLeersgoogle google:amp javascript funny epicfail wpo evil html https://pinboard.in/u:WimLeers/b:f2c867bbdd91/ Ricky Mondello op Twitter: "A few weeks ago, Google announced a revolution in web development: serving HTML directly to browsers. Today’s AMP Innovation is the ability to run custom JavaScript on your AMP pages. That’s right: for the first time, web d 2019-08-23T09:55:51+00:00 https://twitter.com/rmondello/status/1164549552642252800 WimLeersgoogle google:amp javascript funny epicfail wpo evil html https://pinboard.in/u:WimLeers/b:8e5933c00de5/ trash bandicoot on Twitter 2019-08-12T13:04:00+00:00 https://twitter.com/freezydorito/status/1159893245037555712 WimLeersgoogle evil epicfail wpo google:amp html funny 2019 https://pinboard.in/u:WimLeers/b:5daf61d1a4bb/ Largest Contentful Paint  |  web.dev 2019-08-09T08:28:09+00:00 https://web.dev/largest-contentful-paint/ WimLeerswpo https://pinboard.in/u:WimLeers/b:4a369c0c4965/ HTTP/2 Server Push Performance — A Further Akamai Case Study 2019-07-29T13:32:46+00:00 https://medium.com/@ananner/http-2-server-push-performance-a-further-akamai-case-study-7a17573a3317 WimLeerswpo http2 cdn akamai https://pinboard.in/u:WimLeers/b:d4075ddd44b4/ Building the most inaccessible site possible with a perfect Lighthouse score - Manuel Matuzović 2019-07-15T11:52:04+00:00 https://www.matuzo.at/blog/building-the-most-inaccessible-site-possible-with-a-perfect-lighthouse-score/ WimLeerswpo web funny https://pinboard.in/u:WimLeers/b:d14a287285bf/ Zach Leatherman op Twitter: "the reason most web sites are so slow is that we’re only using one dimension of network speed so if you use two dimensions—both bandwidth and bandheight—you will get maximum network throughput" 2019-07-14T16:07:21+00:00 https://twitter.com/zachleat/status/1149803233990324227 WimLeerswpo funny quotes zachleatherman https://pinboard.in/u:WimLeers/b:979a526ca0aa/ Of the Utmost Importance: Resource Prioritization in HTTP/3 over QUIC 2019-07-11T06:17:11+00:00 https://h3.edm.uhasselt.be/ WimLeershttp http3 quic robinmarx wpo https://pinboard.in/u:WimLeers/b:5e6fd5999277/ Mathias Bynens op Twitter: "🚀 Perf tip: if your web app ships large JSON-like configuration as JavaScript object literals, consider using JSON.parse instead. It’s much faster, especially for cold loads! https://t.co/C0oQ4BLnfz… https://t.co/zGoKZYL 2019-07-05T08:43:54+00:00 https://twitter.com/mathias/status/1143551692732030979 WimLeersjavascript wpo performance json parsing https://pinboard.in/u:WimLeers/b:3f0beab3361b/ Robin Marx on Twitter 2019-06-21T07:35:37+00:00 https://twitter.com/programmingart/status/1141580668805308417 WimLeerswpo http3 https://pinboard.in/u:WimLeers/b:1a86f1a0d2af/ layout-instability/explainer.md at master · WICG/layout-instability · GitHub 2019-05-28T18:51:44+00:00 https://github.com/WICG/layout-instability/blob/master/explainer.md WimLeerswpo https://pinboard.in/u:WimLeers/b:13c772e66717/ GitHub - WICG/LargestContentfulPaint 2019-05-28T18:51:36+00:00 https://github.com/WICG/LargestContentfulPaint WimLeerswpo https://pinboard.in/u:WimLeers/b:427321154612/ Jasper Van der Jeugt op Twitter: "5G is a huge open problem for engineering since somehow we're going to have to add several hundreds of megabytes to every web page. We have an impeccable track record though so I'm sure someone will figure it out" 2019-05-26T11:23:09+00:00 https://twitter.com/jaspervdj/status/1132368201340411905 WimLeerswpo 5g funny https://pinboard.in/u:WimLeers/b:1d071e10d4c0/ HTTP/2 progressive image streaming 2019-05-21T08:53:15+00:00 https://blog.cloudflare.com/parallel-streaming-of-progressive-images/ WimLeershttp2 streaming wpo imageprocessing https://pinboard.in/u:WimLeers/b:013701e42baa/ Better HTTP/2 Prioritization for a Faster Web 2019-05-21T08:31:46+00:00 https://blog.cloudflare.com/better-http-2-prioritization-for-a-faster-web/ WimLeershttp2 cdn cloudflare wpo https://pinboard.in/u:WimLeers/b:3c7462dabddc/ How to make YouTube five times faster if you don’t use Chrome - The Verge 2019-05-16T09:51:06+00:00 https://www.theverge.com/2018/7/25/17611444/how-to-speed-up-youtube-microsoft-edge-safari-firefox WimLeersgoogle evil google:chrome webcomponents wpo https://pinboard.in/u:WimLeers/b:e8d058aae6e7/ WICG/element-timing: A proposal for an Element Timing specification. 2019-04-17T15:35:13+00:00 https://github.com/WICG/element-timing WimLeerswpo https://pinboard.in/ https://pinboard.in/u:WimLeers/b:01d42c6f0672/ An HTTP Status Code for Indicating Hints 2019-04-04T11:42:59+00:00 https://httpwg.org/specs/rfc8297.html WimLeerswpo http https://pinboard.in/ https://pinboard.in/u:WimLeers/b:21d687f27021/ inessential: Efficient Software 2019-04-03T06:49:49+00:00 http://inessential.com/2019/04/02/efficient_software WimLeerswpo performance efficiency energy software programming https://pinboard.in/u:WimLeers/b:25e8faf460b2/ Supercharging Server Timing with HTTP trailers 2019-04-01T16:36:54+00:00 https://www.fastly.com/blog/supercharging-server-timing-http-trailers WimLeerswpo http https://pinboard.in/u:WimLeers/b:b6841f7d9e75/ Who has the fastest website in F1? 2019-03-23T13:23:29+00:00 https://jakearchibald.com/2019/f1-perf/ WimLeerswpo https://pinboard.in/u:WimLeers/b:61320f0222b4/ Intent to Ship: Stale While Revalidate - Google Discussiegroepen 2019-03-19T07:20:05+00:00 https://groups.google.com/a/chromium.org/forum/m/#!msg/blink-dev/rspPrQHfFkI/rrhGyO4DBwAJ WimLeershttp caching wpo google google:chrome browser web https://pinboard.in/u:WimLeers/b:631758e08c28/ Kornel Lesiński | Image Optimization | performance.now() 2018 - YouTube 2019-02-13T18:46:22+00:00 https://m.youtube.com/watch?v=jTXhYj2aCDU&feature=youtu.be&t=702#searching WimLeerswpo imageoptimization imageprocessing compression algorithms jpeg webp https://pinboard.in/u:WimLeers/b:d3fcb6ab3be5/ `prefetch` in combination of `Cache-Control` · Issue #21 · GoogleChromeLabs/quicklink 2019-02-10T16:01:37+00:00 https://github.com/GoogleChromeLabs/quicklink/issues/21#issuecomment-446710070 WimLeers If a resource in Chrome is prefetched with `` (via HTML or the header), it will be kept around for 5 minutes. This lasts until the resource has been consumed, at which point the normal cache-control rules for the resource will apply. That's to say, if a resource has `Cache-Control: no-cache` my understanding is those prefetched resources need to be kept around until next navigation, even if they are not cacheable. ]]> wpo http caching browser google:chrome https://pinboard.in/u:WimLeers/b:8f80a8a5d5f0/ Adaptive Serving using JavaScript and the Network Information API - DEV Community 👩‍💻👨‍💻 2019-02-10T15:55:22+00:00 https://dev.to/addyosmani/adaptive-serving-using-javascript-and-the-network-information-api-331p WimLeersweb browser networking wpo google:chrome https://pinboard.in/u:WimLeers/b:0a625e4c59db/ Announcing the New Lullabot.com | Lullabot 2019-02-10T15:36:36+00:00 https://www.lullabot.com/articles/announcing-new-lullabotcom WimLeersdrupal drupal8 lullabot wpo decoupled https://pinboard.in/u:WimLeers/b:8feb6b7a2309/ My Wish List for Progressive Web Apps in 2019 – Maximiliano Firtman – Medium 2019-02-09T09:52:21+00:00 https://medium.com/@firt/my-wish-list-for-progressive-web-apps-in-2019-ba2df2bb1f6f?_referrer=twitter WimLeerswpo google google:chrome https://pinboard.in/u:WimLeers/b:b53a675d5de2/ Limiting JavaScript? - TimKadlec.com 2019-02-09T09:42:34+00:00 https://timkadlec.com/remembers/2019-01-31-putting-some-limits-on-javascript/ WimLeerswpo https://pinboard.in/u:WimLeers/b:2485806a8b5b/ Mark Nottingham op Twitter: "BTW, for streaming, look at what @wimleers did in BigPipe for @drupal (based upon work at FB). I haven't used it, but it looks like what you want...… https://t.co/BiJ2N1qisd" 2019-02-07T07:06:01+00:00 https://twitter.com/mnot/status/1093282525089214466 WimLeerswimleers marknottingham bigpipe drupal wpo career https://pinboard.in/u:WimLeers/b:c9457e485b40/ [JRACLOUD-68845] Slowness while loading the new Jira layout - Create and track feature requests for Atlassian products. 2019-01-28T11:00:27+00:00 https://jira.atlassian.com/browse/JRACLOUD-68845 WimLeersjira epicfail wpo https://pinboard.in/ https://pinboard.in/u:WimLeers/b:8930200bceba/ Addy Osmani on Twitter 2019-01-26T07:32:14+00:00 https://twitter.com/addyosmani/status/1087614725809160192 WimLeerswpo https://pinboard.in/u:WimLeers/b:db9fd58c41fd/ Will transport innovation collapse the Internet? 2019-01-14T23:05:33+00:00 https://huitema.wordpress.com/2019/01/12/will-transport-innovation-collapse-the-internet/ WimLeersnetworking algorithms tcp udp quic wpo https://pinboard.in/u:WimLeers/b:c60dc59a86b8/ The Ethics of Performance - TimKadlec.com 2019-01-09T19:40:42+00:00 https://timkadlec.com/remembers/2019-01-09-the-ethics-of-performance/ WimLeerswpo ethics https://twitter.com/ https://pinboard.in/u:WimLeers/b:7fd6392341b4/ HTTP/2 Server Push Diary - DEV Community 👩‍💻👨‍💻 2019-01-07T13:56:15+00:00 https://dev.to/commonshost/http2-server-push-diary-17dd WimLeershttp2 algorithms wpo https://pinboard.in/ https://pinboard.in/u:WimLeers/b:b178abb8d1b6/ QUIC and HTTP/3 : Too big to fail?! 2018-12-25T00:51:25+00:00 https://calendar.perfplanet.com/2018/quic-and-http-3-too-big-to-fail/ WimLeerswpo http http2 http3 quic robinmarx https://pinboard.in/u:WimLeers/b:22d4fcac3e3c/ Performance Calendar » Wielding the power of web transparency 2018-12-24T21:09:30+00:00 https://calendar.perfplanet.com/2018/wielding-the-power-of-web-transparency/ WimLeersdrupal wpo https://pinboard.in/u:WimLeers/b:515777c5dfec/ Performance Calendar » How the sausage is made – WebPerfWG meeting summary 2018-12-20T23:15:27+00:00 https://calendar.perfplanet.com/2018/webperfwg-meeting-summary-sausage/ WimLeerswpo reference https://pinboard.in/u:WimLeers/b:afc8fc840e9c/ Google isn’t the company that we should have handed the Web over to | Ars Technica 2018-12-20T23:01:59+00:00 https://arstechnica.com/gadgets/2018/12/the-web-now-belongs-to-google-and-that-should-worry-us-all/ WimLeers As another example, YouTube uses a feature called HTML imports to load scripts. HTML imports haven't been widely adopted, either by developers or browsers alike, and ECMAScript modules are expected to serve the same role. But they're available in Chrome and used by YouTube. For Firefox and Edge, YouTube sends a JavaScript implementation of HTML imports which carries significant performance overheads. The result? YouTube pages that load in a second in Chrome take many seconds to load in other browsers. ]]> google youtube wpo evil https://pinboard.in/u:WimLeers/b:f1f739348e3c/ Daniel Appelquist on Twitter 2018-12-18T10:36:59+00:00 https://twitter.com/torgo/status/1074689039754776577 WimLeersweb advertising wpo https://pinboard.in/u:WimLeers/b:af1dbf568c35/ TCP Slow Start 2018-12-17T22:10:00+00:00 https://calendar.perfplanet.com/2018/tcp-slow-start/ WimLeers So in stead of saying “Let’s deliver within 1 second” you should think of it as “Let’s deliver within the first 4 TCP roundtrips”. ]]> wpo http tcpip performance https://pinboard.in/u:WimLeers/b:8b60e53cea08/ All about prefetching 2018-12-15T10:42:39+00:00 https://calendar.perfplanet.com/2018/all-about-prefetching/ WimLeerswpo https://pinboard.in/u:WimLeers/b:289d174cabdd/ Magic numbers 2018-12-07T17:38:48+00:00 https://calendar.perfplanet.com/2018/magic-numbers/ WimLeers wpo usability web reference mustread https://pinboard.in/u:WimLeers/b:30f2fd1d4644/