Web Performance

Web developers using high amounts of domain sharding to work around low connection per host limits in old browser should reconsider their number of shards for newer browsers. Anything over 2 is probably too much, unless most of your user base is using older browsers.

Too often, any talk of web performance quickly ventures into the land of heavy geekery. Terms like DNS lookups, Gzipping, minifying, far future expires headers, caching, ETags and more are thrown around and consequently lose the attention of most non-techy people.

Deploying JavaScript Applications Preface: Nothing in this post is necessarily new, or even anything I thought of first (save for a name or two). via Pocket

Super technique pour servir des @font-face de la manière la plus adaptée qu'il soit à l'utilisateur, en tenant compte de sa langue etc.

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

How to lose weight (in the browser) And what if we got together a bunch of experts who work on large sites to create a definitive front-end performance guide? And not just one of those boring guides made for robots, what if we did something fun? W...

"Sitespeed.io is an open source tool that helps you analyze and optimize your website speed and performance based on performance best practices. It will collect data from multiple pages on your website (crawling from a start point), analyze the pages using performance best practices rules, and output the result as HTML-files or JUnit XML. You can see real life examples of analyzed sites here." Possibilité d'intégrer cet outil dans une plate-forme d'intégration continue (jenkins) : http://sitespeed.io/documentation/#junit

Media Query & Asset Downloading Results A little while back, I mentioned I was doing some research for the book about how images are downloaded when media queries are involved. via Pocket

"Compuware APM Deep Transaction Management for PHP is the first solution in the market that combines User Experience Management (UEM), web server visibility, PHP deep-dive analysis, database access and external-call visibility all into one single solution, along with built-in performance analytics. It cuts through the complexity to provide full application visibility from a browser-click to the database and back, for all transactions, in real time 24x7. Compared to other PHP monitoring tools, Compuware APM's unique smart auto-detection of PHP pages makes it a snap to understand which page is causing what performance issues."