Title: Is this normal ?
Last modified: December 31, 2020

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# Is this normal ?

 *  Resolved [leonghiacnn](https://wordpress.org/support/users/leonghiacnn/)
 * (@leonghiacnn)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/is-this-normal-5/)
 * Some time ago when I first used W3 Total Cache (combined with Autoptimize), my
   CSS and JS files were loaded with a random ID suffix like “x86479”. Each time
   I purged cache, W3 generated a different ID.
 * Now all those ID are strangely disappeared (W3 is still activated). Do you think
   there is any trouble ?
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fis-this-normal-5%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [Marko Vasiljevic](https://wordpress.org/support/users/vmarko/)
 * (@vmarko)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/is-this-normal-5/#post-13851009)
 * Hello [@leonghiacnn](https://wordpress.org/support/users/leonghiacnn/)
 * Thank you for your inquiry and I am happy to assist you with this.
    The ?xNNNNN.
   is added by Browser’s cache option “Prevent caching of objects after settings
   change” option. That value is updated to make the URL unique and pass through
   potential caching on the browser. So when disabled in Performance>Browser Cache
   it will not add the query string. Thanks!

Viewing 1 replies (of 1 total)

The topic ‘Is this normal ?’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Marko Vasiljevic](https://wordpress.org/support/users/vmarko/)
 * Last activity: [5 years, 5 months ago](https://wordpress.org/support/topic/is-this-normal-5/#post-13851009)
 * Status: resolved