[Resolved] Using WPML extremely slows down the site

Problem:
The client is experiencing significant slowdowns on their website when WPML plugins are activated.
Solution:
If you're experiencing similar issues, we recommend you try the following steps:
1. Create a full backup of your site.
2. Ensure all plugins and themes are up to date.
3. Flush any existing cache memory.
4. Deactivate all plugins, including WPML ones.
5. Activate a default WordPress theme, such as Twenty Twenty.
6. Reactivate the WPML plugins.
7. If the performance improves, reactivate your original theme and then other plugins one by one to identify the problematic plugin.
Additionally, please provide the debug information by following the guide at https://wpml.org/faq/provide-debug-information-faster-support/.
If these steps do not resolve the issue, update WPML and other plugins to their latest versions and flush any cache again.

This solution might be outdated or not applicable to your specific case.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 the problem persists, please open a new support ticket at WPML support forum.