After completion of the website, people always want to connect their website with Google Analytics. Google Analytics is the product of google and it is the most powerful SEO tool among all Free SEO Tools.
Google Search Console is highly used to showcase errors and alerts on your website. You can find various technical errors on your website and fix them.
Google Page Speed Insights taste the speed and usability of your website on various devices such as desktops, Mobile, and tablets.
Google Trends shows the famous search terms over a long time, which is helpful for uncovering occasional types in search prominence in addition to other things.
There is a premium version of this tool as well. You get premium features in the premium version. But, a free version is the perfectly suitable one for everyone.
Mozbar is a tool that helps you to discover instant reports of websites. It shows website details such as DA, PA, URL, Page Title, Meta Description, Meta Keyword, and many more related details.