This thread is resolved. Here is a description of the problem and solution.
Problem:
The client is experiencing severe slowdowns in the WordPress admin area, particularly when accessing pages like /wp-admin/plugins.php, /wp-admin/edit.php, and /wp-admin/post.php. The slowdowns are related to high memory usage and long response times when WPML String Translation is active. Deactivating the WPML String Translation plugin significantly improves backend performance.
Solution:
We recommend the following steps to diagnose and potentially resolve the issue:
1. Ensure all plugins and themes are up to date.
2. Create a full site backup or a staging site to safely test changes without affecting the live site.
3. Deactivate all plugins, including WPML plugins, and switch to a default WordPress theme like Twenty Twenty.
4. Activate WordPress debug mode by following the guide at https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/.
5. Reactivate the WPML plugins and monitor the site's performance.
6. If the issue is resolved, reactivate other plugins and the theme one by one to identify any conflicts.
If these steps do not resolve the issue, or if the solution provided here becomes outdated or does not directly address your specific case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If problems persist, please open a new support ticket for further assistance at WPML support forum.
This is the technical support forum for WPML - the multilingual WordPress plugin.
Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.
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Last updated by 3 weeks, 5 days ago.
Assisted by: Carlos Rojas.
