Moz

Moz is a tool that you can use for Search engine optimization from a website. The data you get from Moz can be used for various SEO purposes, both for On-page SEO as Off-page SEO. Furthermore, Moz is a widely used tool for link building. 

Moz is primarily known for the Keyword Explorer and Link Explorer. With the Keyword Explorer, you can keywords find and analyze by search volume and difficulty. With Link Explorer, you have insight into external backlinks and the possibilities to obtain new backlinks. You will also find information here about domain authority, of Spam score, the anchor profile, of page authority and it IP address. 

Furthermore, Moz offers insights into Your Online Presence. This allows you to see how well your website performs in local searches, so you can improve your regional presence. 

Compared to other SEO tools, such as Ahrefs, Moz is a limited tool. Therefore, Moz is often used for analyzing and improving smaller websites. Finally, Moz unfortunately does not have a free version.