I am trying to help my friends (at San Diego State) transfer over their site into a WordPress site. I am starting to get into the swing of WordPress (this is my first real project with it) - but I'm having a really hard time trying to figure out how to optimize the site. The page loads sluggishly, and subsequent clicks into the site load just as slow. What can I do to fix this? I feel like it must have to do with the server itself, maybe I incorrectly set up WordPress?
The site is temporarily located here:
Another WordPress site that's on the same server (that someone else at the school made) is located here (for reference):
Using PageSpeed Insights, and looking at the Critical Path Explorer, you will see that the initial load of the directory for the Jonestown site is about 5 seconds - where as the initial directory load for the CHHS site is less than a second. Also, using Web Page Speed Reports I see that their site is almost a megabyte more than my site.
What I have tried:
Minifying HTML, CSS, and JS
Reducing the number of external asset calls
Reduced image sizes
Changing to different themes to see if it had any impact on load time (it didn't have any impact.)
All of these changes have had negligible impact on load time.
I've left the site with one of the two default WordPress themes, in the hopes that they are lighter and more streamlined.
So in short - what can I try to make my page load faster?