SEO tools are specialized software designed to help website owners, marketers, and SEO professionals improve their site's search engine rankings. These tools assist with keyword research, backlink analysis, competitor analysis, site audits, and more. By leveraging these insights, users can make data-driven decisions to enhance their online presence.

A couple of popular examples include SEMrush and Ahrefs. SEMrush offers a comprehensive suite of features that covers everything from keyword tracking to in-depth analytics on competitor sites. Additionally, it supports advertising research and social media management. On the other hand, Ahrefs excels at backlink analysis and provides detailed reports on the link profiles of websites. Its keyword explorer tool and rank tracker are also highly regarded in the industry.