Add HTTP/2 Support in Proxy Layer

The proxy layer currently doesn't really support HTTP/2. The only case in which a user can take advantage of HTTP/2 is if they are making a non-intercepted request through the `https-proxy`, and when #687 lands, all requests will be intercepted. When a request is intercepted, it can't be upgraded to HTTP/2. Take this page, which loads 1000 images: https://flotwig.github.io/cypress-fetch-page/index1000.html Loaded with HTTP/2, 1000 images load in 1362ms on my browser. With HTTP/1.1, it takes 3896ms - three times as long. Making our backend requests use HTTP/2 would give us a huge performance boost for making requests against servers that support it. Obstacles: 1. `request` library doesn't support HTTP/2 - we'd need to fork or figure out a different way to try to upgrade to `http2` 2. need to figure out how HTTP/2 interacts with HTTP proxies

Posted by flotwig on Mar 14, 2019, 2:19 PM

Tags

• support (Software)

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