# SemrushBot-SWA

> Checks whether a URL is reachable, for the SEO Writing Assistant. One request per URL a writer references, not a crawl.

| field | value |
|---|---|
| operator | Semrush |
| category | SEO and backlink crawlers |
| robots.txt token | `SemrushBot-SWA` |
| user-agent contains | `SemrushBot-SWA` |
| robots.txt | obeys robots.txt (documented) |
| verify by | no published verification method |
| published IP ranges | none published |
| prefixes mirrored | 0 IPv4 / 0 IPv6 |
| operator docs | https://www.semrush.com/bot/ |
| last reviewed | 2026-09-01 |

## What blocking it costs you

Writers using Semrush's assistant see your links reported as unreachable.

## Full user-agent string

```
Mozilla/5.0 (compatible; SemrushBot-SWA; +http://www.semrush.com/bot.html)
```

## Block it

```
User-agent: SemrushBot-SWA
Disallow: /
```

## Allow it

```
User-agent: SemrushBot-SWA
Allow: /
```

JSON: https://www.pathwren.workers.dev/crawler/semrushbot-swa.json · index: https://www.pathwren.workers.dev/llms.txt