WordPress backend speed too slow

Hey there,

I have installed Generate press theme and the site speed is 95 in Google page speed but I don’t know why my site backend is too solw. Whenever I cilick on some options, it takes a lot of time to load. Here is the link of the site. Please have a look and suggest me some good soultion. Thank you in Advance

• This topic was modified 5 years, 6 months ago by onlinequranclasses.

The page I need help with: [log in to see the link]