"Slowy is a tool which simulates custom connection's conditions and limits the network traffic to a specified destination port. It is created for web developers, like me, who need to test a website with a real-world connection, even on a local server. Slowy is an OSX MenuBar app, so it is lightweight and is placed only on the system topbar. "
"ScriptPNG is a PNG optimizer for Windows 32 bits. It reduces files size by parallel processing, with differents levels of compression. It converts GIF, BMP, JPG, PCX, or TGA to PNG.
ScriptJPG is a JPG optimizer for Windows 32 bits. It reduces files size with a lossless process or with differents lossy methods - those methods also reduce image quality."
Summary: Learn how to simulate the elimination of JavaScript with Web Page Test. By eliminating, deferring or converting your JavaScript behavior into CSS you can speed up your page rendering and load times.
"Si l'on peut se féliciter que la problématique de la performance Web soit abordée [...], il est dommage que la Team GA se permette de livrer de telles informations sans prendre davantage de précaution quant à leur interprétation. Car ce qui est comparé ici n'est pas comparable."
Zebulon Young and I, web producers at O'Reilly Media, recently spent time focusing on the performance of the Velocity website. We were surprised by the results we achieved with a relatively small amount of effort. In two days we dropped Velocity's page weight by 49% and reduced the total average U.S.
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 extension measures page load time and displays it in the toolbar.
Web Timing API is used for precise measurement (Google Chrome version 6+ required).
"Il existe une conviction partagée chez les grands du Web : la performance perçue par l'utilisateur est critique. Cette performance a en effet un impact direct sur l'adoption du service et son utilisation dans la durée. Et le ressenti utilisateur est directement lié à la rapidité d'affichage des interfaces."