HTTP versus HTTPS versus HTTP/2 performance test
This test is a similar to the https://www.httpvshttps.com/ website but also shows HTTPS without HTTP/2 (i.e. over HTTP/1.1) but also with only 36 images, which is perhaps more reflective of a typical website. For more details see this blog post.
I also have a similar page showing the same test for 360 images, similar to the original test site.
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