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"Les outils pour mesurer / comprendre sont plutôt reconnus désormais et arrivent a une certaine maturité. Il y a toutefois encore un créneau plutôt peu documenté (à mon goût) dans le domaine, celui permettant de mesurer les temps de chargement dans des applications mobile natives (Android / iOs ...)"

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

"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."

"At Artsy we've been building Node.js applications that share code and rendering between the server and browser. We've seen many benefits from this - pages load faster, we can optimize SEO, developers are more productive, and JavaScript coding is just an overall better experience."

We've come quite a long way since introducing RUM about a year ago. Being the first app performance company to build real user monitoring as a core, native feature of application performance management, we are currently monitoring about 750 million page views a day, 5 billion a week and 20 billion a month for 20,000 active accounts.

This week begins face to face meetings at the IETF on how to approach HTTP 2.0 and improve the Internet. How the industry moves forward together on the next version of HTTP - how every application and service on the web communicates today - can positively impact user experience, operational and environmental costs, and even the battery life of the devices you carry around.

Before we start, I'd like to mention that most (if not all) of these notes apply best to large, complex applications. Documents that have thousands of elements and that are highly interactive will benefit the most. In my case, I reduced page load time by ~650ms (~500ms (!)

Quelques bons conseils (les mêmes que d'hab) sur l'écriture universelle des CSS. Pas trop d'accord en revanche sur les raisons de ne pas utiliser les sélecteurs sur attribut - juste pour des raisons de compatibilité.