SEO optimization of site

Processed the structure of the site, created new subcategories, removed duplicate pages
Optimize content using LSI words
Removed technical errors - bited links, redirect to the main mirror of the site, set the robots.txt file
Posts Tagged: Title, Description, H1 title
The main analytics systems - Yandex Metrics and Google Analytics, targeted and tracked conversions and customer behavior on the site
Optimized subtitles n2-n4 in the content part of pages