Title: WP Optimize Gzip error message
Last modified: June 25, 2023

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# WP Optimize Gzip error message

 *  Resolved [Karen](https://wordpress.org/support/users/karencole37/)
 * (@karencole37)
 * [2 years, 11 months ago](https://wordpress.org/support/topic/wp-optimize-gzip-error-message/)
 * I am getting this error message inside the program:
 * **Gzip compression settings**
 * cURL error 7: Failed to connect to [http://www.rainbowriting.com](http://www.rainbowriting.com)
   port 443: Connection refused

Viewing 1 replies (of 1 total)

 *  Plugin Support [vupdraft](https://wordpress.org/support/users/vupdraft/)
 * (@vupdraft)
 * [2 years, 11 months ago](https://wordpress.org/support/topic/wp-optimize-gzip-error-message/#post-16848105)
 * You may have a firewall on your server. You will need to check if port 443 is
   blocked (I would check this with your hosting)

Viewing 1 replies (of 1 total)

The topic ‘WP Optimize Gzip error message’ is closed to new replies.

 * ![](https://ps.w.org/wp-optimize/assets/icon-256x256.png?rev=1552899)
 * [WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance](https://wordpress.org/plugins/wp-optimize/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-optimize/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-optimize/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-optimize/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-optimize/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-optimize/reviews/)

## Tags

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

 * 1 reply
 * 2 participants
 * Last reply from: [vupdraft](https://wordpress.org/support/users/vupdraft/)
 * Last activity: [2 years, 11 months ago](https://wordpress.org/support/topic/wp-optimize-gzip-error-message/#post-16848105)
 * Status: resolved