This is how many HTTP caches and CDNs work. The terminology used to describe it is often request collapsing or request coalescing. Some examples: * varnish: h

This is how many HTTP caches and CDNs work. The terminology used to describe it is often request collapsing or request coalescing. Some examples: * varnish: https://info.varnish-software.com/blog/hit-for-pass-varnish-cache https://info.varnish-software.com/blog/hit-for-pass-varnish-... * nginx: http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_cache_lock http://nginx.org/en/docs/http/ngx_http_proxy_module.html#pro... * fastly: https://docs.fastly.com/guides/performance-tuning/request-collapsing https://docs.fastly.com/guides/performance-tuning/request-co... * cloudfront: https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/RequestAndResponseBehaviorCustomOrigin.html#request-custom-traffic-spikes https://docs.aws.amazon.com/AmazonCloudFront/latest/Develope...