'Optimization' Category

  • Client performance: enabling KeepAlive

    June 10, 2011

    The Keep-Alive extension to HTTP/1.0 and the persistent connection feature of HTTP/1.1 provide long-lived HTTP sessions which allow multiple requests to be sent over the same TCP connection. In some cases this has been shown to result in an almost 50% speedup in latency times for HTML documents with many images. (source) Apache configuration: KeepAlive […]

  • Client performance: adding gzip compression

    June 6, 2011

    As a continuation of client side optimization let’s now find out how enabling gzip compression between server and client affects page loading. First, one needs to enable mod_gzip for Apache (I’m using it) and configure it the proper way. Usually it’s reasonable to compress text content such as css or js files, as well as […]

  • Up to 30% loding page faster by using CDN

    June 2, 2011

    I decided to begin client optimization for http://gdestop.ru First I’ve become really interested in it and second now over 1700 unique visitors come every day, so it would be nice to care about them and decrease page loading time. To be able compare the optimization results, I’ve run WebPagetest for three key pages (all of […]

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