We have our own crawler and index. We collect and arrange all data without any use of third-party services. AhrefsBot is the most active web crawler in the “Search Engine Optimization” category on Cloudflare Radar. It’s also the 3rd most active web crawler in the world.
Ahrefs is a data company. We collect data, we process data, we store data and, finally, we build all sorts of tools that let you use our data for reaching various marketing and SEO goals.
Ahrefs has the world's largest index of live backlinks, updated with fresh data every 15–30 minutes. This index powers backlink data in Site Explorer, and is used to calculate our proprietary metrics: Ahrefs Rank, Domain Rating and URL Rating.
We can help to find particular issues on your websites. As soon as you fix them, your ranking in search engines will improve.
We keep pace with the latest SEO/marketing tendencies and are constantly adding new functions and tools to Ahrefs to make it all-in-one SEO toolset for your marketing goals!
Here comes a blog post that covers 16 things that only Ahrefs can do and a dedicated video.