Who blocks AI · #801 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does uol.com.br block AI crawlers?

Yes. uol.com.br’s robots.txt blocks 15 of the 19 AI crawlers we track, including ClaudeBot, Google-Extended, PerplexityBot and 12 more. It also blocks Applebot and PetalBot among search engines.

GPTBotAllowed OAI-SearchBotAllowed ClaudeBotBlocked PerplexityBotBlocked Google-ExtendedBlocked CCBotBlocked

robots.txt: www.uol.com.br/robots.txt · 116 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	line 13 · `Allow: /` under `User-agent: *`
`Bingbot`	Microsoft	Allowed	line 13 · `Allow: /` under `User-agent: *`
`DuckDuckBot`	DuckDuckGo	Allowed	line 13 · `Allow: /` under `User-agent: *`
`Applebot`	Apple	Blocked	line 27 · `Disallow: /` under `User-agent: Applebot`
`PetalBot`	Huawei	Blocked	line 103 · `Disallow: /` under `User-agent: PetalBot`
`YandexBot`	Yandex	Allowed	line 13 · `Allow: /` under `User-agent: *`
`Baiduspider`	Baidu	Allowed	line 13 · `Allow: /` under `User-agent: *`

AI search

Bot	Operator	robots.txt	Deciding line
`OAI-SearchBot`	OpenAI	Allowed	line 13 · `Allow: /` under `User-agent: *`
`PerplexityBot`	Perplexity	Blocked	line 101 · `Disallow: /` under `User-agent: PerplexityBot`
`Claude-SearchBot`	Anthropic	Blocked	line 39 · `Disallow: /` under `User-agent: Claude-SearchBot`
`DuckAssistBot`	DuckDuckGo	Blocked	line 63 · `Disallow: /` under `User-agent: DuckAssistBot`
`Amazonbot`	Amazon	Blocked	line 23 · `Disallow: /` under `User-agent: Amazonbot`
`YouBot`	You.com	Blocked	line 115 · `Disallow: /` under `User-agent: YouBot`

AI training

Bot	Operator	robots.txt	Deciding line
`GPTBot`	OpenAI	Allowed	line 13 · `Allow: /` under `User-agent: *`
`ClaudeBot`	Anthropic	Blocked	line 45 · `Disallow: /` under `User-agent: ClaudeBot`
`Google-Extended`	Google	Blocked	line 18 · `Disallow: /` under `User-agent: Google-Extended`
`CCBot`	Common Crawl	Blocked	line 37 · `Disallow: /` under `User-agent: CCBot`
`Applebot-Extended`	Apple	Blocked	line 29 · `Disallow: /` under `User-agent: Applebot-Extended`
`GoogleOther`	Google	Allowed	line 13 · `Allow: /` under `User-agent: *`
`Meta-ExternalAgent`	Meta	Blocked	line 79 · `Disallow: /` under `User-agent: Meta-ExternalAgent`
`Bytespider`	ByteDance	Blocked	line 35 · `Disallow: /` under `User-agent: Bytespider`

User-triggered fetchers

Bot	Operator	robots.txt	Deciding line
`ChatGPT-User`	OpenAI	Allowed	line 13 · `Allow: /` under `User-agent: *`
`Claude-User`	Anthropic	Blocked	line 41 · `Disallow: /` under `User-agent: Claude-User`
`Perplexity-User`	Perplexity	Blocked	line 99 · `Disallow: /` under `User-agent: Perplexity-User`
`MistralAI-User`	Mistral	Blocked	line 83 · `Disallow: /` under `User-agent: MistralAI-User`
`Meta-ExternalFetcher`	Meta	Blocked	line 81 · `Disallow: /` under `User-agent: Meta-ExternalFetcher`

SEO tools

Bot	Operator	robots.txt	Deciding line
`AhrefsBot`	Ahrefs	Allowed	line 13 · `Allow: /` under `User-agent: *`
`SemrushBot`	Semrush	Allowed	line 13 · `Allow: /` under `User-agent: *`
`MJ12bot`	Majestic	Allowed	line 13 · `Allow: /` under `User-agent: *`
`DotBot`	Moz	Allowed	line 13 · `Allow: /` under `User-agent: *`

View www.uol.com.br/robots.txt · 116 lines

1# robots.txt

3User-agent: *

4Sitemap: https://www.uol.com.br/carros/sitemap/v2/news-01.xml

5Sitemap: https://www.uol.com.br/ecoa/sitemap/news-01.xml

6Sitemap: https://www.uol.com.br/esporte/sitemap/v2/news-01.xml

7Sitemap: https://www.uol.com.br/nossa/sitemap/news-01.xml

8Sitemap: https://www.uol.com.br/splash/sitemap/news-01.xml

9Sitemap: https://www.uol.com.br/tilt/sitemap/news-01.xml

10Sitemap: https://www.uol.com.br/universa/sitemap/v2/news-01.xml

11Sitemap: https://www.uol.com.br/vivabem/sitemap/v2/news-01.xml

12Sitemap: https://c.jsuol.com.br/assets/jupiter-news/?resource-id=sitemap&source=toca/index.xml

13Allow: /

14Disallow: /carros/dev/

15Disallow: /*?uol_app

16Disallow: /*?*&uol_app

17User-agent: Google-Extended

18Disallow: /

19Allow: /*.ghtm$

20User-agent: AI2Bot

21Disallow: /

22User-agent: Amazonbot

23Disallow: /

24User-agent: Anthropic-ai

25Disallow: /

26User-agent: Applebot

27Disallow: /

28User-agent: Applebot-Extended

29Disallow: /

30User-agent: AwarioRssBot

31Disallow: /

32User-agent: AwarioSmartBot

33Disallow: /

34User-agent: Bytespider

35Disallow: /

36User-agent: CCBot

37Disallow: /

38User-agent: Claude-SearchBot

39Disallow: /

40User-agent: Claude-User

41Disallow: /

42User-agent: Claude-Web

43Disallow: /

44User-agent: ClaudeBot

45Disallow: /

46User-agent: Cohere-ai

47Disallow: /

48User-agent: cohere-training-data-crawler

49Disallow: /

50User-agent: Cotoyogi

51Disallow: /

52User-agent: DataForSeoBot

53Disallow: /

54User-agent: Datenbank Crawler

55Disallow: /

56User-agent: DeepSeek

57Disallow: /

58User-agent: Devin

59Disallow: /

60User-agent: Diffbot

61Disallow: /

62User-agent: DuckAssistBot

63Disallow: /

64User-agent: FacebookBot

65Disallow: /

66User-agent: Factset_spyderbot

67Disallow: /

68User-agent: Gemini-Deep-Research

69Disallow: /

70User-agent: GoogleAgent-Mariner

71Disallow: /

72User-agent: ICC-Crawler

73Disallow: /

74User-agent: ImagesiftBot

75Disallow: /

76User-agent: Kangaroo Bot

77Disallow: /

78User-agent: Meta-ExternalAgent

79Disallow: /

80User-agent: Meta-ExternalFetcher

81Disallow: /

82User-agent: MistralAI-User

83Disallow: /

84User-agent: netEstate Imprint Crawler

85Disallow: /

86User-agent: NovaAct

87Disallow: /

88User-agent: omgili

89Disallow: /

90User-agent: Omgilibot

91Disallow: /

92User-agent: Operator

93Disallow: /

94User-agent: PanguBot

95Disallow: /

96User-agent: Peer39_crawler/1.0

97Disallow: /

98User-agent: Perplexity-User

99Disallow: /

100User-agent: PerplexityBot

101Disallow: /

102User-agent: PetalBot

103Disallow: /

104User-agent: Qwen

105Disallow: /

106User-agent: SemrushBot-OCOB

107Disallow: /

108User-agent: Timpibot

109Disallow: /

110User-agent: Twitterbot

111Disallow: /

112User-agent: Webzio-Extended

113Disallow: /

114User-agent: YouBot

115Disallow: /

116

What do the bots actually get?

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

History

19 October 2026: first checked.

Questions

Does uol.com.br block GPTBot?

No. uol.com.br’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 uol.com.br block ClaudeBot?

Yes. uol.com.br’s robots.txt disallows ClaudeBot from the whole site (line 45: Disallow: /). ClaudeBot is Anthropic’s crawler for training data. Checked 9 November 2026.

Does uol.com.br block Google-Extended?

Yes. uol.com.br’s robots.txt disallows Google-Extended from the whole site (line 18: Disallow: /). 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 uol.com.br block PerplexityBot?

Yes. uol.com.br’s robots.txt disallows PerplexityBot from the whole site (line 101: Disallow: /). PerplexityBot is the crawler that indexes pages for Perplexity’s answers. Checked 9 November 2026.

Can ChatGPT search find uol.com.br?

Yes. uol.com.br’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.