Hi there,
when you read the PSI report its broken into Opportunities and Diagnostics
What you have highlighted are 2 diagnostics. Those provide metrics and guidance.
You need to focus on the Opportunities to improve your loading time.
And within those opportunities focus on what code is affecting your load times.
I see 3 major things for improvement:
1. Loading of Google Fonts. Load them locally to remove the Google API request:
https://docs.generatepress.com/article/adding-local-fonts/
2. YouTube player, you can use a plugin like this to stop YT from loading ALL the scripts until the user clicks on it.
3. Other Scripts in Render Blocking resources
This is rather generic but you need to look at what other Scripts are loading on your site, and how they are loading.
If you look under Opportunities > Render Blocking resources you will see the slowest on is jQuery. Which is being loaded from the JetPack CDN. You may want to consider loading that locally.
I recommend you review those and the other opportunities first.