Who blocks AI · #111 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does bing.com block AI crawlers?

No. bing.com’s robots.txt lets all 19 AI crawlers we track crawl the site. Search engines such as Googlebot and Bingbot may crawl it.

GPTBotAllowed OAI-SearchBotAllowed ClaudeBotAllowed PerplexityBotAllowed Google-ExtendedAllowed CCBotAllowed

robots.txt: www.bing.com/robots.txt?toWww=1&redig=6FB069C81A8A44A287147C1481EB9FBB · 108 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`	Google	Allowed	no rule matches the home page
`Bingbot`	Microsoft	Allowed	no rule matches the home page
`DuckDuckBot`	DuckDuckGo	Allowed	no rule matches the home page
`Applebot`	Apple	Allowed	no rule matches the home page
`PetalBot`	Huawei	Allowed	no rule matches the home page
`YandexBot`	Yandex	Allowed	no rule matches the home page
`Baiduspider`	Baidu	Allowed	no rule matches the home page

AI search

Bot	Operator	robots.txt	Deciding line
`OAI-SearchBot`	OpenAI	Allowed	no rule matches the home page
`PerplexityBot`	Perplexity	Allowed	no rule matches the home page
`Claude-SearchBot`	Anthropic	Allowed	no rule matches the home page
`DuckAssistBot`	DuckDuckGo	Allowed	no rule matches the home page
`Amazonbot`	Amazon	Allowed	no rule matches the home page
`YouBot`	You.com	Allowed	no rule matches the home page

AI training

Bot	Operator	robots.txt	Deciding line
`GPTBot`	OpenAI	Allowed	no rule matches the home page
`ClaudeBot`	Anthropic	Allowed	no rule matches the home page
`Google-Extended`	Google	Allowed	no rule matches the home page
`CCBot`	Common Crawl	Allowed	no rule matches the home page
`Applebot-Extended`	Apple	Allowed	no rule matches the home page
`GoogleOther`	Google	Allowed	no rule matches the home page
`Meta-ExternalAgent`	Meta	Allowed	no rule matches the home page
`Bytespider`	ByteDance	Allowed	no rule matches the home page

User-triggered fetchers

Bot	Operator	robots.txt	Deciding line
`ChatGPT-User`	OpenAI	Allowed	no rule matches the home page
`Claude-User`	Anthropic	Allowed	no rule matches the home page
`Perplexity-User`	Perplexity	Allowed	no rule matches the home page
`MistralAI-User`	Mistral	Allowed	no rule matches the home page
`Meta-ExternalFetcher`	Meta	Allowed	no rule matches the home page

SEO tools

Bot	Operator	robots.txt	Deciding line
`AhrefsBot`	Ahrefs	Allowed	no rule matches the home page
`SemrushBot`	Semrush	Allowed	no rule matches the home page
`MJ12bot`	Majestic	Allowed	no rule matches the home page
`DotBot`	Moz	Allowed	no rule matches the home page

View www.bing.com/robots.txt?toWww=1&redig=6FB069C81A8A44A287147C1481EB9FBB · 108 lines

1User-agent: msnbot-media

2Disallow: /

3Allow: /th?

5User-agent: Twitterbot

6Disallow:

8User-agent: *

9Disallow: /academic/profile

10Disallow: /academic/search

11Disallow: /account/

12Disallow: /aclick

13Disallow: /alink

14Disallow: /amp/

15Allow: /api/maps/

16Disallow: /api/

17Disallow: /bfp/search

18Disallow: /bing-site-safety

19Disallow: /blogs/search/

20Disallow: /ck/

21Disallow: /copilotsearch?q=

22Disallow: /cr$

23Disallow: /cr?

24Disallow: /entities/search

25Disallow: /entityexplore$

26Disallow: /entityexplore?

27Disallow: /fd/

28Disallow: /fun/api/

29Disallow: /fun/g/

30Disallow: /history

31Disallow: /hotel/reviews?

32Disallow: /hotels/search

33Disallow: /HpImageArchive.aspx

34Disallow: /hpm

35Disallow: /hpmob

36Disallow: /images/async/?

37Disallow: /images/async?

38Disallow: /images/hosted/?

39Disallow: /images/hosted/search?

40Disallow: /images/hosted?

41Disallow: /images/search%3F

42Disallow: /images/search%5C

43Disallow: /images/search/?

44Disallow: /images/search?

45Disallow: /images/searchbyimage

46Disallow: /images?

47Disallow: /inboxcommerce

48Disallow: /local

49Disallow: /maps/adsendpoint

50Disallow: /merchant/reviews?

51Disallow: /notifications/

52Disallow: /offers/proxy/dealsserver/api/log

53Disallow: /offers/proxy/dealsserver/buy

54Disallow: /ping

55Disallow: /product/reviews?

56Disallow: /profile/history?

57Disallow: /proFile/history?

58Disallow: /Proxy.ashx

59Disallow: /results

60Disallow: /rewardsapp/

61Disallow: /search

62Disallow: /Search

63Disallow: /settings

64Disallow: /shenghuo

65Allow: /shop$

66Allow: /shop/

67Disallow: /shop/collections

68Disallow: /shop/productpage

69Disallow: /shop/topics

70Disallow: /shop?*

71Disallow: /social/search?

72Disallow: /spbasic

73Disallow: /spresults

74Disallow: /static/

75Disallow: /th$

76Disallow: /th?

77Disallow: /translator/?ref=

78Disallow: /travel/api

79Disallow: /travel/css

80Disallow: /travel/flight/flightSearch

81Disallow: /travel/flight/flightSearchAction

82Disallow: /travel/flight/search/?

83Disallow: /travel/flight/search?

84Disallow: /travel/flights

85Disallow: /travel/flight-search

86Disallow: /travel/hotel/hotelMiniSearchRequest

87Disallow: /travel/hotel/hotelSearch

88Disallow: /travel/hotels/checkout

89Disallow: /travel/hotels/detail

90Disallow: /travel/hotels/search/?

91Disallow: /travel/hotels/search?

92Disallow: /travel/hotel-search

93Disallow: /travel/scripts

94Disallow: /travel/secure

95Disallow: /url

96Disallow: /videos/browsing

97Disallow: /videos/explore

98Disallow: /videos/favorites

99Disallow: /videos/feed

100Disallow: /videos/music

101Disallow: /videos/trending

102Disallow: /widget/cr

103Disallow: /widget/entity/search/?

104Disallow: /widget/render

105Disallow: /widget/snapshot

106Disallow: /work

107

108Sitemap: https://www.bing.com/sitemap.xml

What do the bots actually get?

This page reads robots.txt, which states what bing.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 bing.com Test a path in the robots.txt tester

History

19 October 2026: first checked.

Questions

Does bing.com block GPTBot?

No. bing.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 bing.com block ClaudeBot?

No. bing.com’s robots.txt lets ClaudeBot crawl the site. ClaudeBot is Anthropic’s crawler for training data. Checked 9 November 2026.

Does bing.com block Google-Extended?

No. bing.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 bing.com block PerplexityBot?

No. bing.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 bing.com?

Yes. bing.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.