CloudFlare’s Impact On The HTTP/2 “Universe”
CloudFlare released HTTP/2 support for all customers on December 3rd, 2015. Now, two months later, it's time to take a look at the impact of this release on the HTTP/2 "universe" and also at what has changed from a HTTP/2 vs. SPDY vs. HTTP 1.1 traffic ratio perspective.
HTTP/2 Usage
Previously, we showcased browser market share data from our own website. Using these numbers, we predicted the ratio of HTTP/2 traffic that we expected to see once enabled. Now, we can compare this original data set with updated data from the last 48 hours.
Below is the market share of HTTP/2 capable browsers that we saw on our website during a 48 hour period. The first one was before our HTTP/2 launch, the other one was last week. Both data sets were pulled from Google Analytics, and user agents were analyzed for HTTP/2 support.
| HTTP/2 capable browser | Global Market Share Late Nov 2015 | Global Market Share Late Jan 2016 |
|---|---|---|
| IE 11 on Windows 10 | 0.14% | 0.34% |
| Edge 12, and 13 | 0.35% | 0.48% |
| Firefox 36 - 45 | 5.09% | 11.05% |
| Chrome 41 - 49 | 15.06% | 38.86% |
| Safari 9 | 0.91% | 2.69% |
| Opera Continue reading |


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