# YandexWebmaster

> The fetcher behind Yandex Webmaster, the console a site owner uses to inspect their own site.

| field | value |
|---|---|
| operator | Yandex |
| category | Tools and frameworks |
| robots.txt token | `YandexWebmaster` |
| user-agent contains | `YandexWebmaster` |
| robots.txt | obeys robots.txt (documented) |
| verify by | reverse DNS |
| published IP ranges | none published |
| prefixes mirrored | 0 IPv4 / 0 IPv6 |
| operator docs | https://yandex.com/support/webmaster/en/robot-workings/check-yandex-robots |
| last reviewed | 2026-09-01 |

## What blocking it costs you

Your own Yandex Webmaster checks stop working. Blocking this only hurts you.

## Full user-agent string

```
Mozilla/5.0 (compatible; YandexWebmaster/2.0; +http://yandex.com/bots)
```

## Block it

```
User-agent: YandexWebmaster
Disallow: /
```

## Allow it

```
User-agent: YandexWebmaster
Allow: /
```

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