Some Best & Basic Technical SEO Checklist to Optimize Your Site

To increase your site organic traffic and boost your Rankings.

Here are some Best Technical SEO Checklist,

Check and improve the Site loading speed ( Site speed should be under 3 seconds - Good ).
Make sure your site has HTTPS on all pages.
Core web vitals ( Check in google page speed and Gt Metrix ).
Check and fix broken links.
Find and fix crawl errors.
Use an friendly SEO URL structure.
Make sure your site is indexable, crawlable.

To analyse whole errors for your site. My best suggesion you can download and use SCREEMINGFROG SEO Audit tool.

Please comment if you know any other best checklist methods.
I hope this post will useful for you.