Title: HTTP API Call
Last modified: December 14, 2022

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# HTTP API Call

 *  Resolved [Nick Porter](https://wordpress.org/support/users/nickporter2/)
 * (@nickporter2)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/http-api-call/)
 * I am getting the following API call which is slowing my site down, any help or
   advice on how to fix it would be appreciated.
 * Method: Get
    URL: [https:///?mcsf_action=main_css&ver=1.5.8](https://wordpress.org/support/topic/http-api-call/?output_format=md)
   Status: A valid URL was not provided. Caller: `WP_Optimize_Minify_Functions::
   get_remote_file_size() wp-content/plugins/wp-optimize/minify/class-wp-optimize-
   minify-functions.php:1126 WP_Optimize_Minify_Functions::get_file_size() wp-content/
   plugins/wp-optimize/minify/class-wp-optimize-minify-functions.php:1109 WP_Optimize_Minify_Front_End-
   >process_header_css() wp-content/plugins/wp-optimize/minify/class-wp-optimize-
   minify-front-end.php:663 do_action(‘wp_print_styles’) wp-includes/plugin.php:
   517 wp_print_styles() wp-includes/functions.wp-styles.php:57 do_action(‘wp_head’)
   wp-includes/plugin.php:517 wp_head() wp-includes/general-template.php:3043 load_template(‘
   wp-content/themes/flatsome/header.php’) wp-includes/template.php:783 locate_template()
   wp-includes/template.php:718 get_header() wp-includes/general-template.php:48`
 * Component: Plugin: wp-optimize

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Contributor [Venkat Raj](https://wordpress.org/support/users/webulous/)
 * (@webulous)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/http-api-call/#post-16288246)
 * [@nickporter2](https://wordpress.org/support/users/nickporter2/) Try disabling
   this plugin [https://wordpress.org/plugins/mailchimp/](https://wordpress.org/plugins/mailchimp/)
 * If that solves the problem, you can exclude the stylesheet from that plugin from
   minify.
 *  Thread Starter [Nick Porter](https://wordpress.org/support/users/nickporter2/)
 * (@nickporter2)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/http-api-call/#post-16288349)
 * [@webulous](https://wordpress.org/support/users/webulous/)
    Thanks ok disabling
   the mailchimp plugin has worked but I am not sure how to find the stylsheet for
   that plugin. I have looked at the plugin using WP File manager and have found
   2 admin.css and ie.css. I think I need to add these under “exclude the following
   css files from processing” Do I just add admin.css and ie.css or is there more
   to add to tell it which plugin to use? Thanks Nick
 *  Plugin Contributor [Venkat Raj](https://wordpress.org/support/users/webulous/)
 * (@webulous)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/http-api-call/#post-16288455)
 * [@nickporter2](https://wordpress.org/support/users/nickporter2/) I’m not sure
   as there is no way to see it. Try `https:///?mcsf_action=main_css&ver=1.5.8` 
   or `https://yourdomain.com/?mcsf_action=main_css&ver=1.5.8`
 *  Thread Starter [Nick Porter](https://wordpress.org/support/users/nickporter2/)
 * (@nickporter2)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/http-api-call/#post-16288945)
 * [@webulous](https://wordpress.org/support/users/webulous/)
    Thanks for your help
   all sorted. Cheers Nick

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘HTTP API Call’ is closed to new replies.

 * ![](https://ps.w.org/wp-optimize/assets/icon-256x256.png?rev=1552899)
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 * 4 replies
 * 2 participants
 * Last reply from: [Nick Porter](https://wordpress.org/support/users/nickporter2/)
 * Last activity: [3 years, 5 months ago](https://wordpress.org/support/topic/http-api-call/#post-16288945)
 * Status: resolved