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I've started experimenting with my home page to make it load even faster. Amazon famously does this too which you can read more about in this Steve Souders post. They make sure everything that needs to be visible above the fold is loaded first, then, it starts loading all the other "stuff" below the fold.

Assez d'accord avec les commentaires , il faut éviter que le crawler passe sur la ressource dédiée au chargement des huits autres articles, sinon il y a un risque de duplicate content. Pour éviter cela il faut gérer des règles pour robots.txt, est-ce suffisant ? Le découpage je le fais plutôt au niveau du styling CSS et JS. J'inclue le style css indispensable à l'affichage et charge le reste . Bref il y aussi le risque de reflow dans ce cas.

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"The @font-face rule is designed to allow lazy loading of fonts, fonts are only downloaded when needed for use within a document."

"With LABjs you can load your js files completely asynchronous."

"This method builds on the Flash of Faux Text (FOFT) using a two stages loading process (sounds like, but is not actually rocket science), but instead of a full Roman web font in the first stage, it loads a small subset of the Roman web font"

This extension measures page load time and displays it in the toolbar. Web Timing API is used for precise measurement (Google Chrome version 6+ required).

There was a time when doing a Website Load Test for a client using a Content Distribution Network (CDN) was an infrequent activity, but these days it's a common occurrence. There are more CDN suppliers of course, the newer ones such as MaxCDN, the traditional big names like Akamai and LimeLight, and some Datacentres such as UKFast offer CDN services directly to clients themselves.

Proposition pour embarquer l'alpha dans un fichier JPEG

j'espère que ça restera vraiment une "expérience", utiliser canvas, javascript, css pour afficher une image transparente, avec ces inconvénients : # By default, the images load without their alpha, then get alpha'd causing a flash. This can be worked around by making them invisible until correctly loaded. # The image must reside on the same server as the web page or the cross site scripting prohibitions in AJAX will come into play. # My examples are double loading the image, for some reason the AJAX fetch is not using the cache. I don't know why, but it is probably just me. ça reste un affreux bricolage qui pourrait donner des envies à des gens qui n'y connaissent rien et pourrir des sites avec ça. Mais l'expérience est "amusante" de là à en faire une "proposition", j'ai des doutes

C'est clair qu'afficher l'alpha avec canvas+js reste du bricolage. En revanche, si les implémenteurs arrivent à se mettre d'accord pour le faire directement dans le navigateur, ça pourrait être intéressant.

Not too long ago, I wrote about loading JavaScript without blocking by creating a dynamic

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

"One of the new features introduced in Firebug 1.11 is new waterfall timing graph displayed in Firebug's Console panel and visualizing Navigation Timing data (measured events related to page load performance)."

"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"