For the site analysis, we have the most reliable tools with us, and that too free of cost- Google Analytics, Google Webmaster and Bing Webmaster. These tools provide the precise information and analysis of the website. Apart from these tools, we also have other third party tools that are just as accurate. These freemium tools are- Moz Pro Tools, SEO Report Card, Hubspot’s Website Grader, Woorank, Screaming Frog SEO Spider, Found's SEO Audit Tool, Varvy's SEO Overview Tool, etc.