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nextdoor.comBlocks AI
Its robots.txt (the public rules file for bots) tells all 24 AI bots we track to stay out of the whole site. It names GPTBot directly. A catch-all rule (User-agent: *) keeps the rest out too. The same rules ask our bot to stay out, so we read only robots.txt.
Last checked 19 Oct 2026. Rules file read today. Everything we checked · History
Bots that train AI Blocked
9 of 9 blocked
Blocking these keeps the site out of future AI training. It does not stop AI from reading the site to answer questions.
Bots for AI search Blocked
8 of 8 blocked
Blocking these usually means the site stops showing up as a source in AI answers.
AI assistants Blocked
7 of 7 blocked
5 of these 7 companies say their assistants may ignore robots.txt.
Bot by bot
| AI bot | Allowed? | Where the rule is | Company says it follows robots.txt? |
|---|---|---|---|
| Bots that train AI · Blocked | |||
| GPTBotOpenAI | Blocked | Named, line 129 | Says yes |
| ClaudeBotAnthropic | Blocked | Not named; the catch-all rule applies | Says yes |
| Google-ExtendedGoogle · opt-out name, not a bot | Blocked | Not named; the catch-all rule applies | Says yes |
| Applebot-ExtendedApple · opt-out name, not a bot | Blocked | Not named; the catch-all rule applies | Says yes |
| CCBotCommon Crawl | Blocked | Not named; the catch-all rule applies | Says yes |
| Meta-ExternalAgentMeta | Blocked | Not named; the catch-all rule applies | Suggests yes |
| BytespiderByteDance | Blocked | Not named; the catch-all rule applies | No statement found |
| MistralAI-TrainingMistral AI | Blocked | Not named; the catch-all rule applies | Says yes |
| AI2BotAllen Institute for AI | Blocked | Not named; the catch-all rule applies | Does not say |
| anthropic-aiAnthropic (legacy) · old name | Blocked | Not named; the catch-all rule applies | Unknown |
| Bots for AI search · Blocked | |||
| OAI-SearchBotOpenAI | Blocked | Not named; the catch-all rule applies | Says yes |
| Claude-SearchBotAnthropic | Blocked | Not named; the catch-all rule applies | Says yes |
| PerplexityBotPerplexity | Blocked | Not named; the catch-all rule applies | Suggests yes |
| AmazonbotAmazon | Blocked | Not named; the catch-all rule applies | Says yes |
| Amzn-SearchBotAmazon | Blocked | Not named; the catch-all rule applies | Says yes |
| DuckAssistBotDuckDuckGo | Blocked | Not named; the catch-all rule applies | Says yes |
| MistralAI-IndexMistral AI | Blocked | Not named; the catch-all rule applies | Suggests yes |
| Meta-WebIndexerMeta | Blocked | Not named; the catch-all rule applies | Suggests yes |
| AI assistants · Blocked | |||
| ChatGPT-UserOpenAI | Blocked | Not named; the catch-all rule applies | Says not always |
| Claude-UserAnthropic | Blocked | Not named; the catch-all rule applies | Says yes |
| Perplexity-UserPerplexity | Blocked | Not named; the catch-all rule applies | Says it mostly ignores it |
| Google-AgentGoogle | Blocked | Not named; the catch-all rule applies | Says it mostly ignores it |
| Meta-ExternalFetcherMeta | Blocked | Not named; the catch-all rule applies | Says not always |
| Amzn-UserAmazon | Blocked | Not named; the catch-all rule applies | Says not always |
| MistralAI-UserMistral AI | Blocked | Not named; the catch-all rule applies | Suggests yes |
| For comparison | |||
| GooglebotRegular search engine, for comparison | Allowed | Named | |
| BingbotRegular search engine, for comparison | Allowed | Named | |
We test two pages: the homepage, and a made-up page that stands in for the rest of the site. "Blocked" means both are off limits. "Some pages blocked" means only one is. Rules for search results, carts, checkout and accounts don't change these labels, because almost every site keeps all bots out of those pages.
The rules file (robots.txt)
User-agent: GooglebotDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: SlurpDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: msnbotDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: bingbotDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: DuckDuckBotDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: ia_archiverDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: TeomaDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: SemrushBotDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ User-agent: SeobilityDisallow: /join/Disallow: /lidworden/Disallow: /businesses/Disallow: /reset_password/Disallow: /invitation/Disallow: /generic_unsub/Disallow: /inv_unsub/Disallow: /generic_nm_unsub/Disallow: /category_unsub/Disallow: /rso_database_match_new/ # Twitter specifies this format here https://dev.twitter.com/cards/getting-started#crawlingUser-agent: TwitterbotDisallow: *Allow: /events/Allow: /city/feed/Allow: /city/post/Allow: /agency/Allow: /pages/Allow: /link_preview_image/ User-agent: facebookexternalhitDisallow: /Allow: /rewindAllow: /?from_rewind=trueAllow: /link_preview_image/Allow: /for_sale_and_free/Allow: /p/Allow: /g/Allow: /faves/… 127 lines not about AI bots User-agent: GPTBotDisallow: / User-agent: *Disallow: /Allow: /link_preview_image/Allow: /for_sale_and_free/ … 5 lines not about AI bots
Everything else we checked
| Front door | We did not visit: the rules ask our bot to stay out. |
|---|---|
| llms.txt | Disallowed for AgentAccessIndexBot by robots.txt |
| ai.txt | Disallowed for AgentAccessIndexBot by robots.txt |
| TDMRep | Disallowed for AgentAccessIndexBot by robots.txt/.well-known/tdmrep.json (W3C Community Group report) |
| Page tags | Homepage not read. |
| Anti-bot software | Served through Amazon CloudFront.From response headers and cookie names only. A cookie shows the product is there, not how it is set up. |
| Readable by AI | Homepage not read.Homepage only. Useful for site owners; not part of the result. |
| Terms of Service | No Terms of Service page found. |
| Not found | No Content-Signal or Content-Usage lines or licensing signals (RSL License, HTTP 402). |
History
42 versions on record since 1 Jan 2023
One square per month, from Internet Archive copies and our own daily checks. Dark: blocked. Gray: some blocked. Light: allowed. Striped: no copy that month.
- Sep 2023Signals Named GPTBot explicitly, without changing what it may reach.Found in the Internet Archive's copies: changed between 1 Aug 2023 and 1 Sep 2023. Evidence: before · after
Show exactly what changed
+ User-agent: GPTBot+ Disallow: /+User-agent: *…- Sitemap: https://nextdoor.com/sitemap-index.xml
Reports from readers
No reports yet. Tell us what happened when your AI tool tried this site, even if it worked fine.