If a client uses an arbitrary date in the If-Modified-Since header instead of a date taken from the Last-Modified header for the same request, the client should be ...

Universal Feed Parser. Parse RSS and Atom feeds in Python. 3000 unit tests. Open source.

Removing the Last-Modified Header from your served files can increase the speed of your Web Site.

A complete discussion of the Last Modified header and the Expires header including the effect they have on Active Server page and various browsers.

Missing last-modified header ... Hi, In my last post I showed the content-length header as 0, I've found out that my actual problem with POIedit is that BRS doesn't return the ...