Who blocks AI · #1021 in the Majestic Million
Does urbandictionary.com block AI crawlers?
No. urbandictionary.com’s robots.txt lets all 19 AI crawlers we track crawl the site. Search engines such as Googlebot and Bingbot may crawl it.
GPTBotAllowedOAI-SearchBotAllowedClaudeBotAllowedPerplexityBotAllowedGoogle-ExtendedAllowedCCBotAllowed- robots.txt
- www.urbandictionary.com/robots.txt · 3 lines
- llms.txt
- none
- Checked
- 9 November 2026, as canaicrawl. We check again every week.
Every bot, and the line that decides
Search engines
| Bot | Operator | robots.txt | Deciding line |
|---|---|---|---|
Googlebot | Allowed | no group applies | |
Bingbot | Microsoft | Allowed | no group applies |
DuckDuckBot | DuckDuckGo | Allowed | no group applies |
Applebot | Apple | Allowed | no group applies |
PetalBot | Huawei | Allowed | no group applies |
YandexBot | Yandex | Allowed | no group applies |
Baiduspider | Baidu | Allowed | no group applies |
AI search
| Bot | Operator | robots.txt | Deciding line |
|---|---|---|---|
OAI-SearchBot | OpenAI | Allowed | no group applies |
PerplexityBot | Perplexity | Allowed | no group applies |
Claude-SearchBot | Anthropic | Allowed | no group applies |
DuckAssistBot | DuckDuckGo | Allowed | no group applies |
Amazonbot | Amazon | Allowed | no group applies |
YouBot | You.com | Allowed | no group applies |
AI training
| Bot | Operator | robots.txt | Deciding line |
|---|---|---|---|
GPTBot | OpenAI | Allowed | no group applies |
ClaudeBot | Anthropic | Allowed | no group applies |
Google-Extended | Allowed | no group applies | |
CCBot | Common Crawl | Allowed | no group applies |
Applebot-Extended | Apple | Allowed | no group applies |
GoogleOther | Allowed | no group applies | |
Meta-ExternalAgent | Meta | Allowed | no group applies |
Bytespider | ByteDance | Allowed | no group applies |
User-triggered fetchers
| Bot | Operator | robots.txt | Deciding line |
|---|---|---|---|
ChatGPT-User | OpenAI | Allowed | no group applies |
Claude-User | Anthropic | Allowed | no group applies |
Perplexity-User | Perplexity | Allowed | no group applies |
MistralAI-User | Mistral | Allowed | no group applies |
Meta-ExternalFetcher | Meta | Allowed | no group applies |
SEO tools
| Bot | Operator | robots.txt | Deciding line |
|---|---|---|---|
AhrefsBot | Ahrefs | Allowed | no group applies |
SemrushBot | Semrush | Allowed | no group applies |
MJ12bot | Majestic | Allowed | no group applies |
DotBot | Moz | Allowed | no group applies |
View www.urbandictionary.com/robots.txt · 3 lines
What do the bots actually get?
This page reads robots.txt, which states what urbandictionary.com asks of crawlers. A firewall or CDN can still refuse a bot that robots.txt allows. The live check requests the page as each bot and shows the status it gets.
Run a live check on urbandictionary.com Test a path in the robots.txt tester
History
- 19 October 2026: first checked.
Questions
Does urbandictionary.com block GPTBot?
No. urbandictionary.com’s robots.txt lets GPTBot crawl the site. GPTBot is OpenAI’s crawler for training data; blocking it doesn’t affect ChatGPT search, which uses OAI-SearchBot. Checked 9 November 2026.
Does urbandictionary.com block ClaudeBot?
No. urbandictionary.com’s robots.txt lets ClaudeBot crawl the site. ClaudeBot is Anthropic’s crawler for training data. Checked 9 November 2026.
Does urbandictionary.com block Google-Extended?
No. urbandictionary.com’s robots.txt lets Google-Extended crawl the site. Google-Extended is the token that controls whether Google may use pages for Gemini training and grounding; it doesn’t affect Google Search. Checked 9 November 2026.
Does urbandictionary.com block PerplexityBot?
No. urbandictionary.com’s robots.txt lets PerplexityBot crawl the site. PerplexityBot is the crawler that indexes pages for Perplexity’s answers. Checked 9 November 2026.
Can ChatGPT search find urbandictionary.com?
Yes. urbandictionary.com’s robots.txt lets OAI-SearchBot crawl the site. OAI-SearchBot is the crawler behind ChatGPT search; blocking it keeps the site out of ChatGPT’s search answers. Checked 9 November 2026.