Who blocks AI · #918 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does colorlib.com block AI crawlers?

No. colorlib.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
colorlib.com/robots.txt · 26 lines
llms.txt
found
Checked
9 November 2026, as canaicrawl. We check again every week.

Every bot, and the line that decides

Search engines

BotOperatorrobots.txtDeciding line
GooglebotGoogleAllowedno rule matches the home page
BingbotMicrosoftAllowedno rule matches the home page
DuckDuckBotDuckDuckGoAllowedno rule matches the home page
ApplebotAppleAllowedno rule matches the home page
PetalBotHuaweiAllowedno rule matches the home page
YandexBotYandexAllowedno rule matches the home page
BaiduspiderBaiduAllowedno rule matches the home page

AI search

BotOperatorrobots.txtDeciding line
OAI-SearchBotOpenAIAllowedno rule matches the home page
PerplexityBotPerplexityAllowedno rule matches the home page
Claude-SearchBotAnthropicAllowedno rule matches the home page
DuckAssistBotDuckDuckGoAllowedno rule matches the home page
AmazonbotAmazonAllowedno rule matches the home page
YouBotYou.comAllowedno rule matches the home page

AI training

BotOperatorrobots.txtDeciding line
GPTBotOpenAIAllowedno rule matches the home page
ClaudeBotAnthropicAllowedno rule matches the home page
Google-ExtendedGoogleAllowedno rule matches the home page
CCBotCommon CrawlAllowedno rule matches the home page
Applebot-ExtendedAppleAllowedno rule matches the home page
GoogleOtherGoogleAllowedno rule matches the home page
Meta-ExternalAgentMetaAllowedno rule matches the home page
BytespiderByteDanceAllowedno rule matches the home page

User-triggered fetchers

BotOperatorrobots.txtDeciding line
ChatGPT-UserOpenAIAllowedno rule matches the home page
Claude-UserAnthropicAllowedno rule matches the home page
Perplexity-UserPerplexityAllowedno rule matches the home page
MistralAI-UserMistralAllowedno rule matches the home page
Meta-ExternalFetcherMetaAllowedno rule matches the home page

SEO tools

BotOperatorrobots.txtDeciding line
AhrefsBotAhrefsAllowedno rule matches the home page
SemrushBotSemrushAllowedno rule matches the home page
MJ12botMajesticAllowedno rule matches the home page
DotBotMozAllowedno rule matches the home page
View colorlib.com/robots.txt · 26 lines
1# Content signals (https://contentsignals.org/):
2# search = building a search index and showing links/snippets in results
3# ai-input = using content as input to AI answers (retrieval, grounding, citations)
4# ai-train = training or fine-tuning AI models
5User-agent: *
6Content-Signal: search=yes, ai-input=yes, ai-train=yes
7
8# feed urls
9Disallow: */feed/
10
11# login urls
12Disallow: /wp-admin/
13Disallow: /wp/wp-admin/
14Disallow: /wp-login.php
15Disallow: /wp/wp-login.php
16
17#block access to internal search result pages
18Disallow: */wp/?s=*
19Disallow: */wp/search/*
20Disallow: /*?s=
21Disallow: */search/*
22
23# Sitemaps
24Sitemap: https://colorlib.com/sitemap_index.xml
25Sitemap: https://colorlib.com/wp/sitemap_index.xml
26

What do the bots actually get?

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

History

Questions

Does colorlib.com block GPTBot?

No. colorlib.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 colorlib.com block ClaudeBot?

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

Does colorlib.com block Google-Extended?

No. colorlib.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 colorlib.com block PerplexityBot?

No. colorlib.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 colorlib.com?

Yes. colorlib.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.