Keyword semantic mining, very easy to use
Mangools is an SEO toolset that's great for bloggers, affiliate marketers, SMEs or SEO agencies.
A free tool from Google that helps developers, website owners, and SEO professionals understand how their site is performing on Google
Mainly use this tool to check the Da and Pa values of the website
Give you actionable insight to help you optimize your online sales and marketing efforts
Majestic (previously known as "Majestic SEO") is a backlink analysis company found at http://majestic.com that runs a business constantly analyzing the domains that make up the internet.
Keyword artifact: search volume of keywords in different countries, as well as ad clicks, keyword difficulty