Take the 2-minute tour ×  I generate htm files dynamically using
php and .htaccess. I read somewhere that I should remove Etags
for files of type text/html? Is that correct? I am wondering if
I use etags and If i don't change the content, I could save some
bandwidth. I would appreciate if you guys could tell me if I can
use etags for htm files.  share|improve this question add
comment  2 Answers  As far as i know the Etag is an http header
is generated by the HTTP server used by the cache system.  The
idea:    • You ask to stackoverflow.com the image logo.png   •
stackoverflow.com will answer to you with a HTTP 304 (content
not modified, etag: XXXXXX)   • Your browser before ask the
image again will check the cache for a resource called:
logo.png, from the website: stackoverflow, with the etag:
XXXXXXX   • If the browser find it, it will load the image from
the cache, without downloading   • If it can't find it, it will
ask again to the web server to download it.  so... for what
propose you want use the ETags