Hello,
Here are our main recommendations – https://xstore.helpscoutdocs.com/article/100-how-to-speed-up-my-website About “Reduce initial server response time” – contact your hosting provider, because it is server-side. GTMetrix changed its testing system, and all the sites that had A, B scores get C, E or F. Try to test your site here – https://tools.pingdom.com/ https://gyazo.com/459ff3e48a8462b11738b9ed8663f0b4 and read this article https://kinsta.com/blog/make-fewer-http-requests/
Regards
