Collected the current semantic core
Wrote optimization
Made changes to existing content
Eliminated spam on landing pages
Conducted technical optimization: removed 404 errors, duplicates, adjusted meta tags
Speeded up site loading
Configured file robots.txt with instructions for search robots
Set up a site map with a list of all pages on the site that are subject to indexing by search engines
Checked the Site for malicious code
Integrated webmaster panels
Conducted an in-depth analysis of user behavior on the site, identified the main problems
Conducted an analysis of the usability and functionality of forms
Finished the main website page: placed the "Cart" button, the Advantages Block, integrated intelligent search on the website
Correctly configured the Metrica dashboard, connected goal tracking, integrated key goals into Yandex.Direct
+ 125 more SEO optimization points