HTTP/2 hits 25% Chrome adoption, SPDY support is ending

ByBrian Krogsgard Posted on

This is a really impressive achievement in relatively short time for HTTP/2. From the Chromium blog:

Over 25% of resources in Chrome are currently served over HTTP/2, compared to less than 5% over SPDY. Based on such strong adoption, starting on May 15th — the anniversary of theHTTP/2 RFC — Chrome will no longer support SPDY. Servers that do not support HTTP/2 by that time will serve Chrome requests over HTTP/1.1, providing the exact same features to users without the enhanced performance of HTTP/2.

If you haven’t looked into HTTP/2 yet, it’s time. A lot of best practices of HTTP/1.1 are no longer best practice in HTTP/2; for instance, HTTP/2 isn’t so concerned about multiple requests for assets, so all those concatenated stylesheets aren’t near the big deal they were.  Zack Tollman and Aaron Jorbin gave a great talk at WCUS that goes into this, and other, technologies.

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