Purging forces MediaWiki to clear the cached version of a given page, forcing the page to be redisplayed from its source. It is used to ensure that recent changes are made immediately visible.
A simple way to "purge" a MediaWiki page you are viewing in your browser is:
- click its "View history" tab, then in your browser's location field delete just the word "history" off the end of the URL, type "purge" there (after the "=") on the end of the URL, and hit return.
If the optional
forcelinkupdate parameter is also supplied, the links tables will also be updated.
- To purge a page, add
?action=purgeto the URL of the page you are viewing. For example:
- If the URL has other parameters in its query string, add the purge action to the query string with an ampersand (&). For example:
Note: Remember to change
example.org in the above URLs to the host name of your MediaWiki installation.
Anonymous requests must be confirmed 
Purge requests made via POST or by logged-in users are automatically filled. Anonymous users making purge requests via a query string will be presented with a confirmation form. This form must be submitted before the purge request will be completed. This behavior is a precaution to keep web spiders from accidentally purging pages when following links.
Purge and image thumbnails 
If purge is run on an image description page, the cached thumbnails for the image will be purged.
See Also 
- purgeList.php, a command-line maintenance script that allows batch purging of articles.
- Manual:Parameters to index.php#Actions.
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