bill@daze.net wrote:
>>Are you saying that the RSS mechanism provides a way for the client to
>>say "only send me stuff that is newer than $DATE"? If so, then it does
>>sound like an implementation problem that the RSS source could improve.
>>
>>
>RSS/feed data is just a file on a web server. An RSS reader can ask the
>web server if the file has changed since it last accessed it (using
>If-Modified-Since and/or ETag headers). Any change no matter how small
>will cause the entire file to be sent again.
>
>
In most cases it's a script of some sort, not a static file (at least
for something like a forum) -- The last-modified date may not be
available at all, which completely defeats caching.
It comes down to implementation, but this is, unfortunately, a very
typical implementation.
-- When you're arguing with a fool, make sure he isn't doing the same thing.
This archive was generated by hypermail 2.1.3 : Mon Jan 31 2005 - 23:00:02 EST