Two Webs

Top 100 / yahoo.com

43

Invisible to machines

1 of 14 AI agents get the full page at https://yahoo.com/. Checked 2026-09-25 09:17 UTC.

yahoo.com scores 43 out of 100 for machine visibility, number 91 of the 100 most visited websites checked on 2026-09-25. 1 of 14 AI agents receive the full page: 1 of 8 training crawlers, 0 of 3 AI search indexes and 0 of 3 assistant fetchers. 7 are refused in robots.txt and 3 are refused at the HTTP level. GPTBot, Meta-ExternalAgent, CCBot received a bot-management challenge instead of the page. Googlebot itself is partial: Different content than humans receive. There is no llms.txt.

youfull pagedegradedblockedunknown

Human

Status
200 → https://au.yahoo.com/?p=us
Title
Yahoo! Australia | Mail, Weather, Search, Politics, News, Finance, Sports and Videos
H1
none
Words
441
Scripts
145 tags · 384 KB
Meta robots
none
Canonical
https://au.yahoo.com/
Server
ATS

Machine

robots.txt
3 groups · 3 sitemaps
llms.txt
missing
llms-full.txt
missing
X-Robots-Tag
none
Blocked
Google-Extended, GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, PerplexityBot, Perplexity-User, Meta-ExternalAgent, Bytespider, CCBot
Degraded
Claude-SearchBot, Claude-User, Amazonbot
Challenged
GPTBot, Meta-ExternalAgent, CCBot

Gaps

  • medium
    10 of 14 AI agents are blockedGoogle-Extended: robots.txt Disallow: / (group: Google-Extended) · GPTBot: robots.txt Disallow: / (group: GPTBot) · OAI-SearchBot: HTTP 404 for this user agent · ChatGPT-User: robots.txt Disallow: / (group: ChatGPT-User) · ClaudeBot: robots.txt Disallow: / (group: ClaudeBot) · PerplexityBot: robots.txt Disallow: / (group: PerplexityBot) · Perplexity-User: HTTP 404 for this user agent · Meta-ExternalAgent: Bot challenge served (HTTP 429) · Bytespider: robots.txt Disallow: / (group: Bytespider) · CCBot: robots.txt Disallow: / (group: CCBot)
  • medium
    Bot-management challenge served to crawlersGPTBot, Meta-ExternalAgent, CCBot received an interstitial instead of the page. A robots.txt rule is an honest block. A challenge hides the page without saying so.
  • medium
    5 agents get a degraded pageGooglebot: Different content than humans receive · Claude-SearchBot: Different content than humans receive · Claude-User: Different content than humans receive · Bingbot: Different content than humans receive · Amazonbot: Different content than humans receive
  • low
    No llms.txtOptional, but a short curated index at /llms.txt is the cheapest way to tell assistants what matters on this site.
  • info
    Canonical points elsewhereCanonical is https://au.yahoo.com/. Indexes will credit that URL, not this one.

Every agent

AgentTyperobots.txtFetchWordsResult
Human (Chrome)YouHumanallowed2001645 ms441visible
HTTP 200, 441 words
GooglebotGoogle · Classic search index. Also feeds AI Overviews.Search engineallowed2001211 ms1,790partial
Different content than humans receive
Google-ExtendedGoogle · Robots-only token controlling Gemini training use. Never fetches on its own.AI trainingdisallowedDisallow: /n/ablocked
robots.txt Disallow: / (group: Google-Extended)
GPTBotOpenAI · Training crawler for OpenAI models.AI trainingdisallowedDisallow: /429 challenge728 ms4blocked
robots.txt Disallow: / (group: GPTBot)
OAI-SearchBotOpenAI · Indexes for ChatGPT search results and citations.AI search indexallowed404661 ms19blocked
HTTP 404 for this user agent
ChatGPT-UserOpenAI · Live fetch when a user asks ChatGPT about a page.AI assistant (live fetch)disallowedDisallow: /404662 ms19blocked
robots.txt Disallow: / (group: ChatGPT-User)
ClaudeBotAnthropic · Training crawler for Claude models.AI trainingdisallowedDisallow: /404636 ms19blocked
robots.txt Disallow: / (group: ClaudeBot)
Claude-SearchBotAnthropic · Indexes for Claude web search.AI search indexallowed2001339 ms1,790partial
Different content than humans receive
Claude-UserAnthropic · Live fetch when a user asks Claude about a page.AI assistant (live fetch)allowed2002464 ms338partial
Different content than humans receive
PerplexityBotPerplexityAI search indexdisallowedDisallow: /404645 ms19blocked
robots.txt Disallow: / (group: PerplexityBot)
Perplexity-UserPerplexityAI assistant (live fetch)allowed404634 ms19blocked
HTTP 404 for this user agent
BingbotMicrosoft · Bing index. Also feeds Copilot and ChatGPT search.Search engineallowed2001702 ms1,790partial
Different content than humans receive
Applebot-ExtendedApple · Robots-only token for Apple Intelligence training.AI trainingallowedn/avisible
Robots-only token; allowed by robots.txt
Meta-ExternalAgentMetaAI trainingallowed429 challenge716 ms4blocked
Bot challenge served (HTTP 429)
AmazonbotAmazon · Alexa and Amazon AI.AI trainingallowed2001231 ms1,856partial
Different content than humans receive
BytespiderByteDance · Known for ignoring robots.txt.AI trainingdisallowedDisallow: /404622 ms19blocked
robots.txt Disallow: / (group: Bytespider)
CCBotCommon Crawl · Open dataset used to train most LLMs.AI trainingdisallowedDisallow: /429 challenge728 ms4blocked
robots.txt Disallow: / (group: CCBot)

Snapshot

Measured 2026-09-25 09:17 UTC from a residential connection. Sites change their rules often, and sites that verify crawler IPs answer differently to different networks. Run a live comparison to see what yahoo.com does right now, from Cloudflare's network.

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