Title: SG Optimizer – Combine JavaScript Files
Last modified: March 3, 2021

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# SG Optimizer – Combine JavaScript Files

 *  [cultedigital](https://wordpress.org/support/users/cultedigital/)
 * (@cultedigital)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/sg-optimizer-combine-javascript-files/)
 * Hello [@redlettuce](https://wordpress.org/support/users/redlettuce/),
    Thanks
   for this great plugin!
 * My website is hosted on Siteground. I’m using there optimization plugin SG Optimizer
   and have enabled the “Combine JavaScript Files”.
    This features doubles the performance
   results for my site but unfortunately results in your plugin returning the following
   message: Setting up fake worker failed: “Cannot load script at: [https://&#8230](https://&#8230);
 * Within the SG Optimizer plugin they have the option to Defer Render-blocking 
   JS.
    Through various sites I’ve found the following mention “excluding /wp-content/
   plugins/pdf-embedder/(.*).js” but this doesn’t seem to, be picked up by the SG
   Optimizer, or work…
 * For info, I use your plugin in the mobile version of my site.
 * Would you have any suggestions?
    Thanks in advance, Nick
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fsg-optimizer-combine-javascript-files%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

The topic ‘SG Optimizer – Combine JavaScript Files’ is closed to new replies.

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## Tags

 * [javascript](https://wordpress.org/support/topic-tag/javascript/)

 * 0 replies
 * 1 participant
 * Last reply from: [cultedigital](https://wordpress.org/support/users/cultedigital/)
 * Last activity: [5 years, 2 months ago](https://wordpress.org/support/topic/sg-optimizer-combine-javascript-files/)
 * Status: not resolved