Another browser is close to implementing support for the SPDY protocol - add-on over HTTP 1.1, which speeds up web page loading by 44-64% (according to Google tests).
On December 3, the Mozilla developers
completed the work, and today SPDY has appeared in the test build of Firefox Nightly. By default it is turned off, but you can activate it in the
about: config settings by switching the
network.http.spdy.enabled flag to
true .

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Mozilla developers still
find it
difficult to say which version of Firefox will have SPDY enabled by default. They say that the testing will last a long time, because “very important SPDY sites work on the Internet” (read Google sites) and you need to ensure that Firefox is working with them correctly.
So far, Mozilla also has no idea what version of SPDY draft to support, because this protocol still has experimental status and can change at any time. Google and Mozilla work together to submit a consistent version of the standard to the IETF.
Google’s
SPDY protocol (HTTP 1.2) has
been supported since
January 2011 by both Chrome and Google’s servers. Due to this, Chrome has been working on “native” sites for almost a year, much faster than other browsers. Perhaps this is one of the reasons why Chrome has recently been increasing its share of the browser market.
Recall that SPDY (read as SPeeDY) allows you to halve the latency when working via HTTP. The overall acceleration of loading web pages is 44-64%. This is done through three methods: multiplexing requests; prioritization of requests; HTTP header compression
SPDY is an absolutely open protocol: owners of any server (for example, there is a module for Apache and a
module for Node.JS ) can raise the corresponding proxy, and developers of any browser are able to implement client support. However, so far this technology has not gained wide distribution outside of Chrome / Google.
Andrei Alekseev from Nginx
reports on the forum that SPDY support is included in the nginx web server development program for the near future.