We often do an SEO audit on our websites to find out the technical SEO issues that stopping our website from ranking on SERPs. Here are the ten essential on-site technical SEO factors you need to consider while doing an SEO audit on your website.
3) Crawl Errors
4) Multiple URLs
5) Does the Site Have an SSL Certificate
7) Image Optimization
8) HTML Errors / W3C Validation
9) Mobile Optimization & Testing
10) Forcing a Single Domain
If I missed mentioning any key technical SEO factors in the list, please include them in the comments.