Why upgrade to HTTP 2?

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HTTP 1 supports 6 concurrent requests to a single subdomain.

That means that when you make 7 API requests 1 will be blocked until a socket becomes available.

HTTP2 addresses this and is supported in Windows Server 2016 and Windows 10. 

If you are stuck with HTTP1, you have a couple of options:

  1. Improve the performance of long-running individual Ajax requests (obviously)
  2. Setup subdomain sharding and send (XHR) requests to them

 

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