Description: Nibbler is a free tool for testing websites. Enter the address of any website it will give you a report scoring the website in 10 key areas, including accessibility, SEO, social media and technology.
Description: This is the best free SEO tool on the market for backlink analysis, keyword research, and recently also for domain/competitor analysis. If you have no budget or you just started this is the tool for you.
Description: 5 in 1 SEO tools ready to help you as a content creator. Mangools with its cheapest price is perfect for every blogger or small business that desires a complete suite of tools without finishing all the budget.
Description: Another big player in the world of SEO, Moz offers tools like Link Explorer to find baclinks, Keyword Explorer and MozBar that produce accurate on-page metrics. Very useful free tools but not for everyone the pro plans.
Description: SimilarWeb gives you global multi-device market intelligence to understand, track, and grow your digital market share. This website is very useful to make a quick search of competitor’s traffic and strategies free.