Who blocks AI · #414 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does elsevier.com block AI crawlers?

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

GPTBotAllowedOAI-SearchBotAllowedClaudeBotAllowedPerplexityBotAllowedGoogle-ExtendedAllowedCCBotAllowed
robots.txt
www.elsevier.com/robots.txt · 32 lines
llms.txt
none
Checked
9 November 2026, as canaicrawl. We check again every week.

Every bot, and the line that decides

Search engines

BotOperatorrobots.txtDeciding line
GooglebotGoogleAllowedline 28 · Allow: / under User-agent: *
BingbotMicrosoftAllowedline 28 · Allow: / under User-agent: *
DuckDuckBotDuckDuckGoAllowedline 28 · Allow: / under User-agent: *
ApplebotAppleAllowedline 28 · Allow: / under User-agent: *
PetalBotHuaweiAllowedline 28 · Allow: / under User-agent: *
YandexBotYandexAllowedline 28 · Allow: / under User-agent: *
BaiduspiderBaiduAllowedline 28 · Allow: / under User-agent: *

AI search

BotOperatorrobots.txtDeciding line
OAI-SearchBotOpenAIAllowedline 28 · Allow: / under User-agent: *
PerplexityBotPerplexityAllowedline 28 · Allow: / under User-agent: *
Claude-SearchBotAnthropicAllowedline 28 · Allow: / under User-agent: *
DuckAssistBotDuckDuckGoAllowedline 28 · Allow: / under User-agent: *
AmazonbotAmazonAllowedline 28 · Allow: / under User-agent: *
YouBotYou.comAllowedline 28 · Allow: / under User-agent: *

AI training

BotOperatorrobots.txtDeciding line
GPTBotOpenAIAllowedline 28 · Allow: / under User-agent: *
ClaudeBotAnthropicAllowedline 28 · Allow: / under User-agent: *
Google-ExtendedGoogleAllowedline 28 · Allow: / under User-agent: *
CCBotCommon CrawlAllowedline 28 · Allow: / under User-agent: *
Applebot-ExtendedAppleAllowedline 28 · Allow: / under User-agent: *
GoogleOtherGoogleAllowedline 28 · Allow: / under User-agent: *
Meta-ExternalAgentMetaAllowedline 28 · Allow: / under User-agent: *
BytespiderByteDanceAllowedline 28 · Allow: / under User-agent: *

User-triggered fetchers

BotOperatorrobots.txtDeciding line
ChatGPT-UserOpenAIAllowedline 28 · Allow: / under User-agent: *
Claude-UserAnthropicAllowedline 28 · Allow: / under User-agent: *
Perplexity-UserPerplexityAllowedline 28 · Allow: / under User-agent: *
MistralAI-UserMistralAllowedline 28 · Allow: / under User-agent: *
Meta-ExternalFetcherMetaAllowedline 28 · Allow: / under User-agent: *

SEO tools

BotOperatorrobots.txtDeciding line
AhrefsBotAhrefsAllowedline 28 · Allow: / under User-agent: *
SemrushBotSemrushAllowedline 28 · Allow: / under User-agent: *
MJ12botMajesticAllowedline 28 · Allow: / under User-agent: *
DotBotMozAllowedline 28 · Allow: / under User-agent: *
View www.elsevier.com/robots.txt · 32 lines
1# robots.txt file for https://www.elsevier.com
2
3# Disallow
4User-agent: FAST Enterprise Crawler 6 / Scirus
5Disallow: /
6
7User-agent: innosense/Nutch-1.0
8Disallow: /
9
10User-agent: Sogou web spider/4.0
11Disallow: /
12
13User-agent: Xenu Link Sleuth/1.3.8
14Disallow: /
15
16User-agent: discoverybot/2.0
17Disallow: /
18
19User-agent: YoudaoBot/1.0
20Disallow: /
21
22User-agent: Sogou web spider/3.0
23Disallow: /
24
25
26# Allow
27User-agent: *
28Allow: /
29
30# Sitemaps
31Sitemap: https://www.elsevier.com/sitemaps/index.xml
32

What do the bots actually get?

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

History

Questions

Does elsevier.com block GPTBot?

No. elsevier.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 elsevier.com block ClaudeBot?

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

Does elsevier.com block Google-Extended?

No. elsevier.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 elsevier.com block PerplexityBot?

No. elsevier.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 elsevier.com?

Yes. elsevier.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.