PUBLIC MARKS with tags css & performance

Velocity is a jQuery plugin that re-implements $.animate() to produce significantly greater performance (making Velocity also faster than CSS animation libraries) while including new features to improve animation workflow.

Smashing Magazine : "Coding Q&A With Chris Coyier : (...)"

Sprites generator. Integrates with SASS to generate the corresponding CSS code.

"The impact of CSS selectors on performance derives from the amount of time it takes the browser to match the selectors against the elements in the document. Developers have some control over how long this matching takes by writing their selectors to be more efficient. The path to efficient selectors starts by understanding how selector matching works."

Some rules for rendering efficiently CSS : ID, class and then universal, plus other tips

"loading scripts and stylesheets in the typical way creates a frontend single point of failure that can bring down the entire site"

CSS expressions are a powerful (and dangerous) way to set CSS properties dynamically” … and … “The problem with expressions is that they are evaluated more frequently than most people expect”

Browserscope is a community-driven project for profiling web browsers. The goals are to foster innovation by tracking browser functionality and to be a resource for web developers.

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.