Title: Fbclid
Last modified: December 10, 2019

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# Fbclid

 *  Resolved [theukdirectory](https://wordpress.org/support/users/theukdirectory/)
 * (@theukdirectory)
 * [6 years, 6 months ago](https://wordpress.org/support/topic/fbclid/)
 * I get a load of traffic from Facebook and they have started adding the fbclid
   query string at the end of the url. So I’m getting a lot of users hitting uncached
   pages.
 * I notice that you can exclude query strings from generating a new one but I’m
   hopeless with regex.
 * Can someone help me with the regex is need to exclude the fbclid and utm tags
   please.

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Anonymous User 16850768
 * (@anonymized-16850768)
 * [6 years, 5 months ago](https://wordpress.org/support/topic/fbclid/#post-12243732)
 * Excluding the `fbclid` parameter from the Cache Enabler cache is done by default
   as most query strings will bypass the CDN cache.
 * To confirm, are you wanting to exclude or include pages with the `fbclid` parameter?
 *  [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [6 years, 5 months ago](https://wordpress.org/support/topic/fbclid/#post-12289686)
 * if the goal is to allow CE to cache pages when fbclid is passed, you can try 
   with `/^fbclid|utm_(source|medium|campaign|term|content)$/`
    -  This reply was modified 6 years, 5 months ago by [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/).
      Reason: with slashes
 *  [n381](https://wordpress.org/support/users/n381/)
 * (@n381)
 * [6 years, 4 months ago](https://wordpress.org/support/topic/fbclid/#post-12346616)
 * Hello,
    I’m having problems with the cached pages getting removed and regenerated
   occasionally during bots/probe visits possible running url queries with some 
   of the WP framework or APIs commands for clearing/refreshing cache. Can you advise?
   [@optimizing](https://wordpress.org/support/users/optimizing/) Matters please
   visit here [cache files incomplete regenerated](https://wordpress.org/support/topic/cache-files-incomplete-regenerated/)

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Fbclid’ is closed to new replies.

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 * 3 replies
 * 4 participants
 * Last reply from: [n381](https://wordpress.org/support/users/n381/)
 * Last activity: [6 years, 4 months ago](https://wordpress.org/support/topic/fbclid/#post-12346616)
 * Status: resolved