Who blocks AI · #1194 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does proquest.com block AI crawlers?

Yes. proquest.com’s robots.txt blocks 2 of the 19 AI crawlers we track, including GPTBot and ChatGPT-User. Search engines such as Googlebot and Bingbot may crawl it.

GPTBotBlocked OAI-SearchBotAllowed ClaudeBotAllowed PerplexityBotAllowed Google-ExtendedAllowed CCBotAllowed

robots.txt: www.proquest.com/robots.txt · 158 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	line 158 · `Allow: /` under `User-agent: OAI-SearchBot`
`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	Blocked	line 152 · `Disallow: /` under `User-agent: GPTBot`
`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	Blocked	line 155 · `Disallow: /` under `User-agent: ChatGPT-User`
`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.proquest.com/robots.txt · 158 lines

2User-agent: *

4Disallow: /url/

5Disallow: /AppleWebKit/

6Disallow: /a11y/

7Disallow: /input/

8Disallow: /output/

9Disallow: /indexol.sourcetypessearch.expandedbasicsearchbox.searchterm

10Disallow: /docview/*PQ/1

11Disallow: /*.captureproxyhost:

12Disallow: /widget/

13Disallow: /*.docviewusetools

14Disallow: /*.docviewanalytics

15Disallow: /*.pdfdocusetools

16Disallow: /*.documentimageusetools

17Disallow: /previewunavailable

18Disallow: /*.fulltext:hidefulltext

20Disallow: /honeypot

22Disallow: /help/

24Disallow: /*.similardocuments

26Disallow: /*.pagelayout.popuplocaleswitcher

28Disallow: /*:interdocimagesevent

30Disallow: /*.progressivedisplay

32Disallow: /*.loginoverlay

35Disallow: /*:allsaveoptions

37Disallow: */shibbolethlogin

39Disallow: */error/

40Disallow: */errorpage/

42Disallow: /*:hidebannerevent

44Disallow: /%

46Disallow: /c/

47Disallow: /C/

50Disallow: */indexinglinkhandler

52Disallow: */indexingvolumeissuelinkhandler

55Disallow: /login

57Disallow: /*.quicksearchbox

59Disallow: /*.accesstofulltextlinks.*

61Disallow: /congressional

63Disallow: /go/

64Disallow: /about/

66Disallow: /pubidlinkhandler/

70Disallow: /products-services/

71Allow: /products-services/*/se-2

73Disallow: /openview/

75Disallow: /blog/

76Allow: /blog/*/se-2

78Disallow: /embed/

79Allow: /embed/*/se-2

81Disallow: /professional/

83Disallow: /en-US/

85Disallow: /products_pq/

86Allow: /products_pq/*/se-2

88Disallow: /pdpq/

89Allow: /pdpq/*/se-2

91Disallow: /documents/

92Allow: /documents/*/se-2

94Disallow: /company/

95Allow: /company/*/se-2

97Disallow: /libraries/

98Allow: /libraries/*/se-2

100Disallow: /*?accountid=*

101Disallow: /*&accountid=*

102

103Disallow: /*?username=

104

105Disallow: /*.quicksearchbox:

106

107Disallow: /*.pagelayout.pendo

108

109Disallow: /APAC-JP/

110

111Disallow: /histvault?

112Disallow: /histvault/

113

114Disallow: /*:externallink

115

116

117Disallow: .html$

118Disallow: .html?

119

120Disallow: .shtml$

121

122Disallow: /ebdetailsview

123

124Disallow: /*.hitnavigationswitch:

125

126Disallow: /historyvault

127

128Disallow: /customer-care/tools-resources/

129

130Disallow: /runSearch

131

132Disallow: /*.pagelayout:

133

134Disallow: /en/

135Disallow: /Documents/

136

137Disallow: /congcomp/getdoc

138

139Disallow: /myresearch/

140

141Disallow: /docview.accesstofulltextlinks.externallink_0:

142

143Disallow: /docprintview/

144

145Disallow: /docview.suggestedsources.suggestedsourcesbelowfulltext

146

147Disallow: /docview.suggestedsources:suggesteditemszoneexpandbelowfulltext

148

149Disallow: /docview.fulltext:displayfulltext;jsessionid=

150

151User-agent: GPTBot

152Disallow: /

153

154User-agent: ChatGPT-User

155Disallow: /

156

157User-agent: OAI-SearchBot

158Allow: /

What do the bots actually get?

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

History

19 October 2026: first checked.

Questions

Does proquest.com block GPTBot?

Yes. proquest.com’s robots.txt disallows GPTBot from the whole site (line 152: Disallow: /). GPTBot is OpenAI’s crawler for training data; blocking it doesn’t affect ChatGPT search, which uses OAI-SearchBot. Checked 9 November 2026.

Does proquest.com block ClaudeBot?

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

Does proquest.com block Google-Extended?

No. proquest.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 proquest.com block PerplexityBot?

No. proquest.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 proquest.com?

Yes. proquest.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.