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Itw by M. Hendrickson Current state of the Performance and Operations market. Terms, semantics and DevOps, are we splitting hairs? What do performance people do on a daily basis? Do you need to tradeoff anything to get better performance? Are most websites acceptable when it comes to speed? Measuring slowness -- clarified and demystified Where do you find performance monitoring tools? How do you know if you have a fast enough web site? Does Mobile disrupt your quest for high performance? Does HTML5 add any more complexity challenges to high performance web sites? Wrap up and discussion of Velocity Conference

"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."

SPDY is a replacement for HTTP, designed to speed up transfers of web pages by eliminating much of the overhead associated with HTTP. SPDY supports several optimizations that give it an edge over HTTP when it comes to speed.

"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.

Un tour du comportement et des tailles des icônes de pages sur les iOS et Android.