1. H1 Tags - Homepage has 3 H1 tags now. A webpage should have single H1 tag for better results.
2. Place the related keywords (Long-tail keywords) as your H2 tags.
Currently - "Thank you for wanting more information" one of your H2 tag. No the keywords included in this sentence.
3. Images needs alternative tags
4. Place the related keywords as a alternative tags
5. URL's are not SEO friendly.
6. Many URL's contains underscores in it. Need website URL optimization
7. Check for W3C errors and warnings
8. Add Favicon
9. Increase the website speed using Google developer page speed insights.
And I can find more other issues that needs to be considered immediately to provide good organic results.