---
title: "SEO and backlink crawlers (17) — AI Crawler Index"
description: "Commercial link-graph tooling. No user-facing effect either way, and usually a large share of your bot bandwidth."
canonical: "https://www.pathwren.workers.dev/category/seo.html"
url: "https://www.pathwren.workers.dev/category/seo.md"
format: "markdown"
source: "the bytes of /category/seo.html, in the build that wrote the page"
generator: "surfaces/ai-crawler-index/build.py"
generated: "2026-09-03T06:29:54+00:00"
license: "CC0-1.0"
---

# SEO and backlink crawlers

> Commercial link-graph tooling. No user-facing effect either way, and usually a large share of your bot bandwidth.

Commercial link-graph tooling. No user-facing effect either way, and usually a large share of your bot bandwidth.

| Crawler | Token | Operator | Cost of blocking |
| --- | --- | --- | --- |
| [AhrefsBot](https://www.pathwren.workers.dev/crawler/ahrefsbot.html) | `AhrefsBot` | Ahrefs | No user-facing effect. Ahrefs honours Crawl-delay, so rate-limiting is usually better than… |
| [AhrefsSiteAudit](https://www.pathwren.workers.dev/crawler/ahrefssiteaudit.html) | `AhrefsSiteAudit` | Ahrefs | Site owners auditing your domain get an incomplete report. Blocking it saves bandwidth and… |
| [Barkrowler](https://www.pathwren.workers.dev/crawler/barkrowler.html) | `barkrowler` | Babbar | You leave Babbar's index. No effect on search or assistants.… |
| [DataForSeoBot](https://www.pathwren.workers.dev/crawler/dataforseobot.html) | `DataForSeoBot` | DataForSEO | You leave a dataset that a long tail of SEO products is built on. No user-facing effect.… |
| [DotBot](https://www.pathwren.workers.dev/crawler/dotbot.html) | `dotbot` | Moz | You leave Moz's link index, so Domain Authority and link reports about your site get thinn… |
| [MJ12bot](https://www.pathwren.workers.dev/crawler/mj12bot.html) | `MJ12bot` | Majestic | You leave the Majestic backlink index. No search or AI effect. It supports Crawl-delay, wh… |
| [rogerbot](https://www.pathwren.workers.dev/crawler/rogerbot.html) | `rogerbot` | Moz | Moz Pro site audits of your domain stop. If the domain is yours and you use Moz, blocking … |
| [SemrushBot](https://www.pathwren.workers.dev/crawler/semrushbot.html) | `SemrushBot` | Semrush | Your competitors' Semrush reports get thinner, and so do yours. No user-facing effect.… |
| [SemrushBot-BA](https://www.pathwren.workers.dev/crawler/semrushbot-ba.html) | `SemrushBot-BA` | Semrush | None to you. It costs the site being audited a little accuracy in their backlink report.… |
| [SemrushBot-ESI](https://www.pathwren.workers.dev/crawler/semrushbot-esi.html) | `SemrushBot-ESI` | Semrush | Enterprise customers lose analysis of your domain. Nothing user-facing.… |
| [SemrushBot-FT](https://www.pathwren.workers.dev/crawler/semrushbot-ft.html) | `SemrushBot-FT` | Semrush | Your text stops being compared against other people's submissions — which also means copie… |
| [SemrushBot-SI](https://www.pathwren.workers.dev/crawler/semrushbot-si.html) | `SemrushBot-SI` | Semrush | Nothing user-facing. Semrush customers lose on-page suggestions for pages on your domain.… |
| [SemrushBot-SWA](https://www.pathwren.workers.dev/crawler/semrushbot-swa.html) | `SemrushBot-SWA` | Semrush | Writers using Semrush's assistant see your links reported as unreachable.… |
| [SEOkicks](https://www.pathwren.workers.dev/crawler/seokicks.html) | `SEOkicks` | SEOkicks | You leave a regional backlink index. Nothing else changes.… |
| [serpstatbot](https://www.pathwren.workers.dev/crawler/serpstatbot.html) | `serpstatbot` | Serpstat | You leave Serpstat's link index. Try Crawl-delay first — they honour it, and a slow crawle… |
| [SiteAuditBot](https://www.pathwren.workers.dev/crawler/siteauditbot.html) | `SiteAuditBot` | Semrush | Site Audit reports on your own domain stop working. If a customer is auditing your site wi… |
| [SplitSignalBot](https://www.pathwren.workers.dev/crawler/splitsignalbot.html) | `SplitSignalBot` | Semrush | A site owner's own A/B testing stops. Only relevant on domains whose owner uses the produc… |

[json](https://www.pathwren.workers.dev/category/seo.json)

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- [A2A agents](https://www.pathwren.workers.dev/a2a.html)
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- [MCP transport: the GET and HEAD leg](https://www.pathwren.workers.dev/mcp-transport.html)
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- [Trust](https://www.pathwren.workers.dev/trust)

## Machine copies of this page

- [HTML (canonical)](https://www.pathwren.workers.dev/category/seo.html)
- [JSON](https://www.pathwren.workers.dev/category/seo.json)
- [Markdown](https://www.pathwren.workers.dev/category/seo.md) — this document

This document is a markdown rendering of [https://www.pathwren.workers.dev/category/seo.html](https://www.pathwren.workers.dev/category/seo.html), generated from that page's own bytes in the same build. The HTML page is canonical.
