Hi,

To address these issues, you could start by optimizing your images to reduce their size without compromising the quality. There are various WordPress plugins that can help with this, such as Smush or EWWW Image Optimizer.

On the topic of the unused jQuery dependency, we understand that unnecessary scripts can slow down a website. However, jQuery is a vital part of many WordPress plugins, including TranslatePress.

Continuing with best practices, make sure you’re using a good caching plugin like WP Rocket and a CDN to serve your contents faster across different geographical locations.

Another performance thing you might want to look for, is that we have a listener for Javascript strings that when it detects a text change on the page (say a particular JS script adds a notice), we query the server for a translation. This ajax call is also fast as it doesn’t go through the normal WordPress ajax, however, it can cause issues when there is a lot of traffic to your website. The good part is that you can disable this functionality from TP Settings -> Advanced tab –> Troubleshooting section –> Disable dynamic translation.
Also, the Automatic translation memory can increase the loading time, so be sure you disable it from TP Settings –> Advanced tab –> Miscellaneous section for testing purpose.
You should also try the Optimize TranslatePress database tables option from TP Settings –> Advanced tab –> Debug section to clear them.

Best Regards,