Top 100 / gmail.com
80
Mostly one web
2 of 14 AI agents get the full page at https://gmail.com/. Checked 2026-09-25 09:19 UTC.
gmail.com scores 80 out of 100 for machine visibility, number 55 of the 100 most visited websites checked on 2026-09-25. 2 of 14 AI agents receive the full page: 2 of 8 training crawlers, 0 of 3 AI search indexes and 0 of 3 assistant fetchers. Googlebot itself is partial: Different content than humans receive. There is no llms.txt.
youfull pagedegradedblockedunknown
Human
- Status
- 200 → https://accounts.google.com/v3/signin/identifier?continue=https://mail.google.com/mail/u/0/&emr=1&followup=https://mail.google.com/mail/u/0/&osid=1&passive=1209600&service=mail&flowName=GlifWebSignIn&flowEntry=ServiceLogin&dsh=S-1472910065:1790327940932828
- Title
- Gmail
- H1
- Sign in
- Words
- 142
- Scripts
- 23 tags · 246 KB
- Meta robots
- none
- Canonical
- none
- Server
- ESF
Machine
- robots.txt
- 1 groups · 1 sitemaps
- llms.txt
- missing
- llms-full.txt
- missing
- X-Robots-Tag
- none
- Blocked
- none
- Degraded
- GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User, Meta-ExternalAgent, Amazonbot, Bytespider, CCBot
- Challenged
- none
Gaps
- medium14 agents get a degraded pageGooglebot: Different content than humans receive · GPTBot: Different content than humans receive · OAI-SearchBot: Different content than humans receive · ChatGPT-User: Different content than humans receive · ClaudeBot: Different content than humans receive · Claude-SearchBot: Different content than humans receive · Claude-User: Different content than humans receive · PerplexityBot: Different content than humans receive · Perplexity-User: Different content than humans receive · Bingbot: Different content than humans receive · Meta-ExternalAgent: Different content than humans receive · Amazonbot: Different content than humans receive · Bytespider: Different content than humans receive · CCBot: Different content than humans receive
- mediumThis URL is a meta-refresh stubThe HTML only redirects to /v3/signin/rejected?continue=https://mail.google.com/mail/u/0/&. Browsers follow it; most crawlers do not. Compare that URL instead, and consider a real HTTP 301.
- lowNo llms.txtOptional, but a short curated index at /llms.txt is the cheapest way to tell assistants what matters on this site.
Every agent
| Agent | Type | robots.txt | Fetch | Words | Result |
|---|---|---|---|---|---|
| Human (Chrome)You | Human | allowedAllow: / | 2001793 ms | 142 | visible HTTP 200, 142 words |
| GooglebotGoogle · Classic search index. Also feeds AI Overviews. | Search engine | allowedAllow: / | 2001746 ms | 143 | partial Different content than humans receive |
| Google-ExtendedGoogle · Robots-only token controlling Gemini training use. Never fetches on its own. | AI training | allowedAllow: / | n/a | visible Robots-only token; allowed by robots.txt | |
| GPTBotOpenAI · Training crawler for OpenAI models. | AI training | allowedAllow: / | 2002457 ms | 132 | partial Different content than humans receive |
| OAI-SearchBotOpenAI · Indexes for ChatGPT search results and citations. | AI search index | allowedAllow: / | 2002053 ms | 132 | partial Different content than humans receive |
| ChatGPT-UserOpenAI · Live fetch when a user asks ChatGPT about a page. | AI assistant (live fetch) | allowedAllow: / | 2001717 ms | 132 | partial Different content than humans receive |
| ClaudeBotAnthropic · Training crawler for Claude models. | AI training | allowedAllow: / | 2002124 ms | 132 | partial Different content than humans receive |
| Claude-SearchBotAnthropic · Indexes for Claude web search. | AI search index | allowedAllow: / | 2002427 ms | 132 | partial Different content than humans receive |
| Claude-UserAnthropic · Live fetch when a user asks Claude about a page. | AI assistant (live fetch) | allowedAllow: / | 2002116 ms | 132 | partial Different content than humans receive |
| PerplexityBotPerplexity | AI search index | allowedAllow: / | 2002167 ms | 132 | partial Different content than humans receive |
| Perplexity-UserPerplexity | AI assistant (live fetch) | allowedAllow: / | 2001755 ms | 132 | partial Different content than humans receive |
| BingbotMicrosoft · Bing index. Also feeds Copilot and ChatGPT search. | Search engine | allowedAllow: / | 2002482 ms | 143 | partial Different content than humans receive |
| Applebot-ExtendedApple · Robots-only token for Apple Intelligence training. | AI training | allowedAllow: / | n/a | visible Robots-only token; allowed by robots.txt | |
| Meta-ExternalAgentMeta | AI training | allowedAllow: / | 2002436 ms | 132 | partial Different content than humans receive |
| AmazonbotAmazon · Alexa and Amazon AI. | AI training | allowedAllow: / | 2002510 ms | 126 | partial Different content than humans receive |
| BytespiderByteDance · Known for ignoring robots.txt. | AI training | allowedAllow: / | 2002442 ms | 132 | partial Different content than humans receive |
| CCBotCommon Crawl · Open dataset used to train most LLMs. | AI training | allowedAllow: / | 2002109 ms | 132 | partial Different content than humans receive |
Snapshot
Measured 2026-09-25 09:19 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 gmail.com does right now, from Cloudflare's network.