Does foursquare.com block AI crawlers?

Can AI assistants cite foursquare.com?

• ChatGPT search: its search crawler is blocked
• Claude: its search crawlers may read the site
• Perplexity: its search crawlers may read the site

foursquare.com opts out of AI training by OpenAI. Training crawlers and answer crawlers are separate: blocking training doesn't by itself remove a site from AI answers.

AI crawler access, bot by bot

How foursquare.com compares

• 19% of the 1,278 popular sites we checked block GPTBot; foursquare.com is one of them.
• 18% of the 1,278 popular sites we checked block ClaudeBot; foursquare.com does not.
• 14% of the 1,278 popular sites we checked block PerplexityBot; foursquare.com does not.
• Among 131 sites of similar popularity, 23% block at least one AI crawler.

The robots.txt rules that apply to AI crawlers

User-agent: *
Disallow: /search
Disallow: /search?
Disallow: /login?
Disallow: /login/*
Disallow: /signup?
Disallow: /signup/*
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php
Allow: /signup/$
Disallow: /mobile/
Disallow: /touch/login
Disallow: /mobile/search
Disallow: /user/*/checkin/
Disallow: /*/checkin/
Allow: /v/checkin*
Disallow: /private/wtrack
Disallow: /l/
Disallow: /*/badge/
Disallow: /*/badges
Allow: /v/badge*
Disallow: /oauth2/
Disallow: /device/
Disallow: /venue/claim
Disallow: /app/
Disallow: /go/
Disallow: /*/lists/edited$
Disallow: /*/lists/followed$
Disallow: /*/lists/friends$
Disallow: /*/list/todos$
Disallow: /*/list/tips$
Disallow: /*/list/venuelikes$

User-agent: PiplBot
User-agent: MJ12bot
User-agent: CCBot
User-agent: SeznamBot
User-agent: Exabot
User-agent: netseer
User-agent: Mappy
User-agent: crawler4j
User-agent: Gigabot
User-agent: ZoomBot
User-agent: BUbiNG
User-agent: Getintent Crawler
User-agent: BLEXBot
User-agent: trendictionbot
User-agent: hyscore
User-agent: magpie-crawler
User-agent: RyteBot
Disallow: /v/*

User-agent: GPTBot
User-agent: ChatGPT-User
Disallow: /

Excerpt: only groups for all user-agents (*) or named AI crawlers, up to 40 rules per group.

Sites with a similar AI policy

• cuny.edu · 12 blocked
• permutive.app · 12 blocked
• nymag.com · 10 blocked
• deadline.com · 10 blocked
• orf.at · 6 blocked
• nate.com · 12 blocked
• ansa.it · 8 blocked
• flipboard.com · 4 blocked

All sites that are “blocks ai training and ai answers” →