Re: [Fwd: [PHP3] What is the 'ETag' header?]
| From: | Rasmus Lerdorf | Date: | Mon, 05 Jun 2000 17:31:34 +0000 |
| Subject: | Re: [Fwd: [PHP3] What is the 'ETag' header?] | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-1065@lists.php.net to get a copy of this message | ||
The etag header is used for cacheing purposes. The dumbed down
explanation is that each page that is to be cached gets a unique etag
which cacheing proxy servers use to determine whether the page has changed
or not. Easier to deal with a unique string like that instead of a
timestamp.
-Rasmus