SEO (Search Engine Optimization) is a comprehensive development and promotion of a website to get it to the top positions in search engine results (SERPs) for selected queries in order to increase traffic and further generate revenue.
SEO techniques
Posting new content and editing old content.
Creating a robots. txt file or adjusting it.
Editing meta description and title tags.
Editing program code.
Internal re-linking of pages.
Working with keywords.
Changing usability.
Change of design.