Free website SEO health check will include testing your domain and the amount of Google filters your site is currently passing for any one keyword, we will be looking at also manually on site the following factors .
The amount of Backlinks and quality of any the backlinks
Your domain name.
The structure of your page url’s.
Image alt tags.
Headings H1 H2 H3 .
Content. Word count of your first 10 pages
Keywords and keyword density