Essentials A to Z website audit checklist for SEO!

SEO Audit Checklist

1➨ Website UI, UX Design & Navigation 
https://material.io/design
https://web.dev/responsive-web-design-basics/
https://www.justinmind.com/blog/navigation-design-almost-everything-you-need-to-know/
2➨ Benchmarking Your Site’s Rankings
3➨ Understanding Your Competitors
4➨ Check Your Site’s Indexed URLs
5➨ Check for Duplicate Versions of Your Site in Google’s Index
6➨ Check for Manual Actions (Google's Webmaster Quality Guidelines)
7➨ Analyze Your Site’s Speed
8➨ Confirm That Your Site Uses HTTPS
9➨ Check for Mobile-Friendliness Issues
10➨ Analyze and Resolve Further Indexation Issues
11➨ Understand Your Site’s Page Experience
12➨ Audit Your On-Page SEO
13➨ Fix Broken Internal Links
14➨ Clean Up Your Sitemap
15➨ Check Your Redirects
16➨ Find and Fix Duplicate Content Issues
17➨ Identify Thin Content Pages
18➨ Fix Issues with Orphan Pages
19➨ Compare Your Content to Top Ranking Pages and Analyze Searcher Intent
20➨ Run a Backlink Audit

Required Tools for SEO Audit

1➨ Google Analytics
2➨ Google Search Console
3➨ Google PageSpeed Insights
4➨ Google Schema Markup Testing Tool