Ahrefs vs SEMrush – Which SEO Tool to Use in 2020? Ahrefs Tool Main Functions Ahrefs Site Audit is an automatic website diagnostic tool that can run in the background. It performs all checks and calculations in the cloud, so the tool does not need large resources. Site Explorer tool is the primary competitive analysis tool focused on organic and paid search traffic, keywords, PPC ads, and backlinks. Keyword Explorer tool is a detailed search query analysis tool in over 6 search services, including YouTube and Amazon. Besides standard info on seasonal and geographic popularity, it offers advanced tips and historical data, both for optimizers and advertisers. Content Explorer tool provides you with detailed analytics of articles, blog posts, and similar content by subject, language, and publication date. This leads to the question “How do I use Ahrefs Content Explorer?” It has multiple filters convenient for using it in finding opportunities for link building or for guest publications in existing blogs, or in analyzing the content strategy of successful pages. Read more here:Website Content Audit. Ahrefs Rank Tracker is one of the main tools to monitor the current ranking of keywords and phrases. It is also useful for benchmarking.