# AhrefsBot

> Ahrefs' backlink crawler, and one of the largest non-search crawlers on the web by request volume.

| field | value |
|---|---|
| operator | Ahrefs |
| category | SEO and backlink crawlers |
| robots.txt token | `AhrefsBot` |
| user-agent contains | `AhrefsBot` |
| robots.txt | obeys robots.txt (documented) |
| verify by | reverse DNS |
| published IP ranges | none published |
| prefixes mirrored | 0 IPv4 / 0 IPv6 |
| operator docs | https://ahrefs.com/robot |
| last reviewed | 2026-09-01 |

## What blocking it costs you

No user-facing effect. Ahrefs honours Crawl-delay, so rate-limiting is usually better than blocking.

## Full user-agent string

```
Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
```

## Block it

```
User-agent: AhrefsBot
Disallow: /
```

## Allow it

```
User-agent: AhrefsBot
Allow: /
```

JSON: https://www.pathwren.workers.dev/crawler/ahrefsbot.json · index: https://www.pathwren.workers.dev/llms.txt