AhrefsBot
SafeUser-agent: AhrefsBot
Category: SEO Tools
SEO impact if blocked: 0/10
Ahrefs
1 crawler operated by Ahrefs
https://ahrefs.com/Who Ahrefs is, for site owners
Ahrefs operates 1 crawler in our directory, filed under SEO Tools. Its crawl behaviour is rated safe.
Blocking Ahrefs carries an SEO impact score of 0/10. Blocking impact is rated: Varies - Evaluate before blocking.
Our recommendation for Ahrefs: Generally safe to allow; provides legitimate crawling value.
Ahrefs at a glance
| Operator | Ahrefs |
|---|---|
| Crawler in directory | 1 |
| Categories | SEO Tools |
| SEO impact if blocked | 0/10 |
| Crawl behaviour | 1 rated safe |
| Website | ahrefs.com |
| Official crawler docs | Ahrefs crawler documentation |
Crawler operated by Ahrefs
How to block or allow Ahrefs in robots.txt
This rule covers the single crawler Ahrefs operates. Add it to the robots.txt file at the root of your domain.
Block Ahrefs completely
User-agent: AhrefsBot
Disallow: /
Allow Ahrefs explicitly
User-agent: AhrefsBot
Allow: /
robots.txt is a request, not an enforcement mechanism. A crawler that ignores it needs a block at the server or CDN layer. Rules are case-sensitive on the path and matched against the user-agent token, not the full user-agent string.
Frequently asked questions about Ahrefs
What crawler does Ahrefs run?
Ahrefs operates 1 crawler in our directory: AhrefsBot (user-agent AhrefsBot).
Should I block Ahrefs?
Generally safe to allow; provides legitimate crawling value. The SEO impact score for blocking is 0/10, where 10 means blocking costs you the most visibility.
How do I block Ahrefs in robots.txt?
Add the following to robots.txt at your domain root: User-agent: AhrefsBot then Disallow: /.
Does blocking Ahrefs hurt my search rankings?
Blocking impact is rated: Varies - Evaluate before blocking. Google's own ranking crawler is Googlebot, which this operator does not run, so blocking Ahrefs does not by itself remove you from Google's index. What it can change is whether AI assistants and analytics tools can read your pages.