The website speed depends on many factors and how much resources you are using in your website and how powerfull your server is.
Also try using CDN services for loading images in your website.
please try deactivating third party plugins in your site and again check this issue.
Please use query monitor plugin to check which plugin is eating much of you server resources .
https://kinsta.com/blog/query-monitor/
Using caching techniques like memcached, opcache on server side might improve some speed .
Also follow this caching tip :
https://vibethemes.com/documentation/wplms/knowledge-base/wplms-with-w3-total-cache/
Deactivate plugins that you don't feel necessary
Please also try disabling touch points if you have enabled them from wp-admin -> lms -> settings -> touch points .