The Vary response header is used for indicating to browsers and other user agents which request header values to check when deciding whether to load content from a cache or to instead fetch a new response over the network.
Header append Vary User-Agent env=!dont-vary Can anyone give a detailed explanation for this?
apache http http-headers varyI added next lines in .htaccess, which I found here How to specify vary accept encoding header in htaccess <…
.htaccess header vary