Title: Optimize CSS Code breaks down mobile & desktop theme
Last modified: August 31, 2016

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# Optimize CSS Code breaks down mobile & desktop theme

 *  [smhdesign](https://wordpress.org/support/users/smhdesign/)
 * (@smhdesign)
 * [10 years ago](https://wordpress.org/support/topic/optimize-css-code-breaks-down-mobile-desktop-theme/)
 * I posted a question in a [resolved] thread. I’m re-posting here to make sure 
   you’ll see the new question:
 * I installed the Autoptimizer and it broke the desktop slider, and mobile menu&
   slider. (Elegant themes: Divi) What does excluding css/responsive.css mean? And
   how can I do this? It’s for this site: windheimemfsolutions (dot) com.
 * from this thread:
    [https://wordpress.org/support/topic/optimize-css-code-breaks-down-mobile-theme?replies=7](https://wordpress.org/support/topic/optimize-css-code-breaks-down-mobile-theme?replies=7)
 * [https://wordpress.org/plugins/autoptimize/](https://wordpress.org/plugins/autoptimize/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [Frank Goossens](https://wordpress.org/support/users/futtta/)
 * (@futtta)
 * [10 years ago](https://wordpress.org/support/topic/optimize-css-code-breaks-down-mobile-desktop-theme/#post-7356305)
 * excluding css/responsive.css is a solution that was specific to the other poster’s
   proble smhdesign, so never mind that.
 * what you’re encountering is problably a javascript issue. as [described in the troubleshooting part of the FAQ](https://wordpress.org/plugins/autoptimize/faq/),
   to diagnose and solve open your browser’s javascript console and look for errors
   there. if the error is for example
 * > jQuery is not defined
 * then you need to add `jquery.js` to the comma-seperated JS optimization exclusion
   list (have a look at the advanced options on the autoptimize settings screen).
 * hope this clarifies,
    frank

Viewing 1 replies (of 1 total)

The topic ‘Optimize CSS Code breaks down mobile & desktop theme’ is closed to new
replies.

 * ![](https://ps.w.org/autoptimize/assets/icon-256X256.png?rev=2211608)
 * [Autoptimize](https://wordpress.org/plugins/autoptimize/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/autoptimize/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/autoptimize/)
 * [Active Topics](https://wordpress.org/support/plugin/autoptimize/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/autoptimize/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/autoptimize/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Frank Goossens](https://wordpress.org/support/users/futtta/)
 * Last activity: [10 years ago](https://wordpress.org/support/topic/optimize-css-code-breaks-down-mobile-desktop-theme/#post-7356305)
 * Status: not resolved