Ryan's Scraps: What's New in Edge Rails: Simpler Conditional Get Support (ETags)Conditional-gets are a facility of the HTTP spec that provide a way for web servers to tell browsers that the response to a GET request hasn’t changed since the last request and can be safely pulled from the browser cache. They work by using the HTTP_IF_NONE_MATCH and HTTP_IF_MODIFIED_SINCE headers to pass back and forth both a unique content identifier and the timestamp of when the content was la
