Who blocks AI · #794 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does jetbrains.com block AI crawlers?

No. jetbrains.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.jetbrains.com/robots.txt · 74 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	Partly blocked	line 23 · `Disallow: /promo/` line 24 · `Disallow: /download-thanks` and 49 more

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.jetbrains.com/robots.txt · 74 lines

1User-Agent: *

2# Global

3Disallow: */search/

4Disallow: */shop/

5Disallow: */eshop*

6Disallow: */estore*

7Disallow: */unitrun*

8Disallow: /languages/

9Disallow: */feedback/

10# crawling _allowed_: indexing blocked via robots noindex

11# Disallow: */promo/

12# Disallow: */download-thanks

14# Sitemaps

15Sitemap: https://www.jetbrains.com/sitemap_index.xml

17# Yandex

18User-agent: Yandex

19Clean-param: q&products&utm_source&productedition&src&var&type&productversion&order&from&search&_ga&_gac&_gl&edition&utm_content&vsversion&hl&u&keyword&utm_medium&dclid&topic&rel&source&build&platform&ref&installedvsversions&utm_code&fbclid&products_id&fromMenu&fromblog&origin&code&fromide&timezone&utm_campaign&gclsrc&sid&page&section&mkt_tok&mode&keymap&rss&s

21# Baidu

22User-agent: Baiduspider

23Disallow: */promo/

24Disallow: */download-thanks

25Disallow: /?q

26Disallow: /?products

27Disallow: /?utm_source

28Disallow: /?productedition

29Disallow: /?src

30Disallow: /?var

31Disallow: /?type

32Disallow: /?productversion

33Disallow: /?order

34Disallow: /?from

35Disallow: /?search

36Disallow: /?_ga

37Disallow: /?_gac

38Disallow: /?_gl

39Disallow: /?edition

40Disallow: /?utm_content

41Disallow: /?vsversion

42Disallow: /?hl

43Disallow: /?u

44Disallow: /?keyword

45Disallow: /?utm_medium

46Disallow: /?dclid

47Disallow: /?topic

48Disallow: /?rel

49Disallow: /?source

50Disallow: /?build

51Disallow: /?platform

52Disallow: /?ref

53Disallow: /?installedvsversions

54Disallow: /?utm_code

55Disallow: /?fbclid

56Disallow: /?products_id

57Disallow: /?fromMenu

58Disallow: /?fromFooter

59Disallow: /?fromblog

60Disallow: /?origin

61Disallow: /?code

62Disallow: /?fromide

63Disallow: /?timezone

64Disallow: /?utm_campaign

65Disallow: /?gclsrc

66Disallow: /?sid

67Disallow: /?page

68Disallow: /?section

69Disallow: /?mkt_tok

70Disallow: /?mode

71Disallow: /?keymap

72Disallow: /?rss

73Disallow: /?s

What do the bots actually get?

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

History

19 October 2026: first checked.

Questions

Does jetbrains.com block GPTBot?

No. jetbrains.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 jetbrains.com block ClaudeBot?

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

Does jetbrains.com block Google-Extended?

No. jetbrains.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 jetbrains.com block PerplexityBot?

No. jetbrains.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 jetbrains.com?

Yes. jetbrains.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.