PUBLIC MARKS with tags optimisation & performance

ealing with browser caching is a balancing act. On one hand, you aim to minimize load times and bandwidth use by ensuring that images, scripts, and style sheets are cached by your visitors; however, you still want to ensure that they’re accessing the most recent versions of all your files. In this article, I’ll show you a few methods for controlling how your site’s files are cached by browsers so you can achieve the best of both worlds: maintaining optimal performance while ensuring that any updates are seen immediately, without a hitch by all of your users.

When you profile a web page with Page Speed, it evaluates the page's conformance to a number of different rules. These rules are general front-end best practices you can apply at any stage of web development. We provide documentation of each of the rules here

If your application could benefit from improved performance—and let's be honest, most can—you need to know about Shark 4, the latest update to Apple's remarkable performance optimization tool.

CSS-IG.net a pour thèmes principaux l'optimisation des images Web et le potentiel du format PNG (Portable Network Graphics), recommandé par le W3C. Il s'adresse aux techniciens d'interfaces Web soucieux de la performance de leur site.

Google Page Speed

extension pour Firefox (ajout à Firebug) pour tracer les performances d'une page web

voir aussi : PageSpeed (extension pour Firebug)

Page Speed is an open-source Firefox/Firebug Add-on. Webmasters and web developers can use Page Speed to evaluate the performance of their web pages and to get suggestions on how to improve them.

Pngcrush

Pngcrush pour Windows

optimisation du poids des images (suppression des meta, ...)

css et js : concaténer, minimiser, compresser,

Des manipulations XML (parsing, validation de schéma, transformation) jusqu'à 10 fois plus rapides qu'avec les classiques Xalan/Xerces