Every Search engine optimizer uses the internet to search tools to performs SEO tasks online. Here we have arranged the list of free SEO tools.
Traffic and domain authority:
SEO Quake, Alexa, and Webrank SEO Toolbar add-on for Firefox are the quick tools to check traffic and other SEO Metrics about the website. Smallreviewtools is the best website to check domain authority and page authority. If you want to find instant information on the traffic on a website then these are best free SEO tools that you can use.
Check crawl date of web page