1. Google page rank
Check google page rank, Moz Domain Authority and Page Authority
2. Keyword position tracker
Find out where you domain stand on big search engines (google, bing, yahoo) for a specific keyword
3. Keyword difficulty
Use this tool to check how difficult it is to rank on top of search engine, great tool for keyword research
4. Keyword suggestion
Find long tail keywords from your main keyword.
5. On page seo report.
Check how good your page is optimized for a keyword.