Group items matching "JavaScript" in title, tags, annotations or url - Web Performance

Become a Javascript Console Power-User - Google Developers - 2 views

youtu.be/4mf_yNLlgic

Chrome Console Javascript Firebug

shared by Boris Schapira on 12 Oct 11 - No Cached

Performance Calendar » Deciphering the Critical Rendering Path - 0 views

calendar.perfplanet.com/...ng-the-critical-rendering-path

performance JavaScript

shared by Frank Taillandier on 28 Dec 12 - No Cached

Frank Taillandier on 28 Dec 12

Pour les sites complexes avec beaucoup de JS, surveiller DOMContentLoaded (fin du parsing) plutôt que juste Load (fin du chargement) pour améliorer le ressenti utilisateur

<div class="cArrow"> </div><div class="cContentInner">Pour les sites complexes avec beaucoup de JS, surveiller DOMContentLoaded (fin du parsing) plutôt que juste Load (fin du chargement) pour améliorer le ressenti utilisateur</div>

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Run jsperf tests in a bunch of WebPagetest browsers - 3 views

www.phpied.com/jsperf-bookmarklet

performance JavaScript webpagetest

shared by Laurent Paoletti on 13 Feb 13 - No Cached

"reducing number of requests on a page [not] always makes that page faster" - 1 views

plus.google.com/...en8cdigGSE8

webperf concaténation JavaScript performance

shared by anonymous on 03 Oct 12 - No Cached

anonymous on 03 Oct 12

"combining can sometimes make loads slower, due to deferral of JS execution (have to download entire combined JS file before any of the JS can be executed). A second reason is that combining can make the resources take longer to download, due to the way that TCP slow start works"

<div class="cArrow"> </div><div class="cContentInner">"combining can sometimes make loads slower, due to deferral of JS execution (have to download entire combined JS file before any of the JS can be executed). A second reason is that combining can make the resources take longer to download, due to the way that TCP slow start works"</div>

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postscribe : Asynchronous document.write for all - 1 views

github.com/postscribe

webperf JavaScript document.write

shared by Boris Schapira on 19 Oct 12 - No Cached

Boris Schapira on 19 Oct 12

Alternative à Ghostwriter ou ControlJS : permet de reporter le document.write de certains scripts à plus tard dans le flux de chargement de la page, afin de ne pas retarder le Load. L'intérêt de la solution est qu'elle ne perturbe quasiment pas le script original, ce qui en facilite grandement la maintenance.

<div class="cArrow"> </div><div class="cContentInner">Alternative à Ghostwriter ou ControlJS : permet de reporter le document.write de certains scripts à plus tard dans le flux de chargement de la page, afin de ne pas retarder le Load. L'intérêt de la solution est qu'elle ne perturbe quasiment pas le script original, ce qui en facilite grandement la maintenance.</div>

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Sélection de liens #webperf n°11 - 0 views

blog.takeitweb.fr/selection-de-liens-webperf-11

performance javascript webperf http2 dropbox chrome abtesting ecommerce

shared by Nicolas Hodin on 23 May 16 - No Cached

Nicolas Hodin on 23 May 16

Retrouvez une sélection de liens sur le thème des performances Web de la semaine passée. Au sommaire, 16 liens sur : HTTP/2 et Dropbox, extension Chrome, A/B Testing, nojavascript, Dareboost en Inde, classement webperf e-commerce, démos d'audit, the Coach ...

<div class="cArrow"> </div><div class="cContentInner">Retrouvez une sélection de liens sur le thème des performances Web de la semaine passée. Au sommaire, 16 liens sur : HTTP/2 et Dropbox, extension Chrome, A/B Testing, nojavascript, Dareboost en Inde, classement webperf e-commerce, démos d'audit, the Coach ...</div>

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"Intervening against document.write()", Chrome - 0 views

developers.google.com/...removing-document-write

webperf clevermarks Chrome javascript

shared by Boris Schapira on 07 Sep 16 - No Cached

Boris Schapira on 07 Sep 16

Chrome peut, dans certains cas, bloquer l'exécution de scripts qui utilisent document.write(), une très mauvaise pratique pour la performance Web.

<div class="cArrow"> </div><div class="cContentInner">Chrome peut, dans certains cas, bloquer l'exécution de scripts qui utilisent document.write(), une très mauvaise pratique pour la performance Web.</div>

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Sélection de liens #webperf n°17 - 0 views

Nicolas Hodin on 11 Jul 16

Au sommaire, 23 liens sur : Arcep, Awwwards, scripts JS, DDoS et émotions, WebPageTest, FB Live, brotli et Varnish, métadonnées XML et images, 3rd party scripts, Offline First, WordPress to Hugo, Canonical AMP, démarrer en webperf, perf-tool

<div class="cArrow"> </div><div class="cContentInner">Au sommaire, 23 liens sur : Arcep, Awwwards, scripts JS, DDoS et émotions, WebPageTest, FB Live, brotli et Varnish, métadonnées XML et images, 3rd party scripts, Offline First, WordPress to Hugo, Canonical AMP, démarrer en webperf, perf-tool</div>

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Media Query & Asset Downloading Results | TimKadlec.com - 1 views

timkadlec.com/...uery-asset-downloading-results

performance media queries responsive design mobile css3 test

shared by Mehdi Kabab on 11 Apr 12 - No Cached

anonymous on 11 Apr 12

"I did some research about how images are downloaded when media queries are involved. I wrote up some automated tests where Javascript could determine whether or not the image was requested. I've got enough data now to be able to go into detailed findings."

<div class="cArrow"> </div><div class="cContentInner">"I did some research about how images are downloaded when media queries are involved. I wrote up some automated tests where Javascript could determine whether or not the image was requested. I've got enough data now to be able to go into detailed findings."</div>

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Js performance: Mythbusters - 2 views

docs.google.com/...view

performance javascript

shared by Laurent Paoletti on 17 Mar 12 - No Cached

iPhone 5 website teardown: How Apple compresses video using JPEG, JSON, and <canvas> - 1 views

docs.google.com/...pub

javascript image animation canvas performance

shared by Mathieu Pillard on 17 Sep 12 - No Cached

Animated GIFs the Hard Way - 2 views

www.sublimetext.com/...nimated_gifs_the_hard_way.html

javascript image animation canvas performance

shared by Mathieu Pillard on 17 Sep 12 - No Cached

Timer resolution in browsers | NCZOnline - 0 views

www.nczonline.net/...timer-resolution-in-browsers

timer performance javascript

shared by Éric D. on 14 Dec 11 - No Cached

WebPagetest - Website Performance and Optimization Test - 0 views

www.webpagetest.org

performance cache http JavaScript css vitesse temps de chargement outil

shared by david degrelle on 23 Jul 12 - Cached

Why loading third party scripts async is not good enough - 3 views

www.aaronpeters.nl/...ripts-async-is-not-good-enough

javascript html performance article blog

shared by Oncle Tom on 23 Nov 11 - No Cached

Oncle Tom on 24 Nov 11

Le chargement des scripts de manière asynchrone est une bonne chose … mais continue de retarder le temps de fin de chargement. Solution : procéder ainsi, mais après le onload.

<div class="cArrow"> </div><div class="cContentInner">Le chargement des scripts de manière asynchrone est une bonne chose … mais continue de retarder le temps de fin de chargement. Solution : procéder ainsi, mais après le onload.</div>

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Chromium Blog: A game changer for interactive performance. - 3 views

blog.chromium.org/...e-changer-for-interactive.html

performance chromium javascript V8

shared by Éric D. on 22 Nov 11 - No Cached

motherjones/grunt-html-smoosher - 3 views

github.com/...grunt-html-smoosher

grunt inline webperf CSS JavaScript

shared by anonymous on 13 Jan 14 - No Cached

anonymous on 13 Jan 14

"A grunt task which takes a html file, finds all the css and js links, and outputs a version with all the css and js written inline for ease of pasting into a cms"

<div class="cArrow"> </div><div class="cContentInner">"A grunt task which takes a html file, finds all the css and js links, and outputs a version with all the css and js written inline for ease of pasting into a cms"</div>

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Using WebP with Modernizr - 0 views

www.stucox.com/...using-webp-with-modernizr

WebP image JPG PNG Modernizr webperf format optimisation JavaScript CSS

shared by anonymous on 28 Feb 14 - No Cached

SVG Editor & Optimiser - 1 views

petercollingridge.appspot.com/svg-editor

SVG webperf image optimisation performance javascript CSS

shared by anonymous on 24 Dec 13 - No Cached

Guest Post Online - 0 views

guestpostonline.com

performance JavaScript unclassified CSS mobile webperf image Google http cache

shared by mesbah095 on 03 Apr 14 - No Cached

mesbah095 on 03 Apr 14

Article Writing & Guestpost You Can Join this Site for Your Article & guest post, Just Easy way to join this site & total free Article site. This site article post to totally free Way. Guest Post & Article Post live to Life time only for Current & this time new User. http://guestpostonline.com

<div class="cArrow"> </div><div class="cContentInner">Article Writing & Guestpost You Can Join this Site for Your Article & guest post, Just Easy way to join this site & total free Article site. This site article post to totally free Way. Guest Post & Article Post live to Life time only for Current & this time new User. <a href="http://guestpostonline.com" rel="nofollow" target="_blank">http://guestpostonline.com</a></div>

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