The Vary HTTP header1 is sent in billions of HTTP responses every day. But its use has never fulfilled its original vision, and many developers misunderstand what it does or don’t even realize that their web server is sending it.
Full article
Understanding The Vary Header – Smashing Magazine
The Vary HTTP header1 is sent in billions of HTTP responses every day. But its use has never fulfilled its original vision, and many developers misunderstand what it does or don’t even realize that their web server is sending it.
Full article