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Use one topic for one question to avoid confusion .
Hi, I’ve already done all the optimization tips you give in your theme documentation, but the website is too slow (the score on google speed is only 61 from desktop and 22 from mobile).
I installed: WebP Converter for Media, WP Super Cache and Autoptimize, I also deleted everything is unnecessary (pages, images) and deleted all the animations on the website.
If you want to adapt it for Google speed, then you need to follow its recommendations, unfortunately this will require the removal of many plugins such as Revolution slider and page loader . As well as better optimization of your images and its quantity images on site .