SEO is a complete evaluation of how the website is performing when it comes to search engine results, and identifying the areas where the improvement is required to enhance the visibility and ranking on SERP’s. To know more on the topic and know how SEO audit is done, follow the link at the end.
https://www.algosaga.com/blog/seo-audit/
https://www.algosaga.com/blog/seo-audit/