Top 100 / b-cdn.net
Invisible to machines
2 of 14 AI agents get the full page at https://b-cdn.net/. Checked 2026-09-25 09:18 UTC.
b-cdn.net scores 48 out of 100 for machine visibility, number 83 of the 100 most visited websites checked on 2026-09-25. 2 of 14 AI agents receive the full page: 1 of 8 training crawlers, 0 of 3 AI search indexes and 1 of 3 assistant fetchers. All 10 refusals happen at the HTTP level with no matching robots.txt rule, so a crawler cannot tell the block is deliberate. The pattern is "cite me, don't train on me": 5 of 8 training crawlers are refused while 1 of 6 search and assistant fetchers get through. Googlebot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User, Bingbot, Meta-ExternalAgent, Amazonbot, Bytespider, CCBot received a bot-management challenge instead of the page. Googlebot itself is blocked: Bot challenge served (HTTP 429). There is no llms.txt.
youfull pagedegradedblockedunknown
Human
- Status
- 200 → https://bunny.net/
- Title
- bunny.net - The Global Edge Platform that truly Hops
- H1
- none
- Words
- 1,489
- Scripts
- 13 tags · 4 KB
- Meta robots
- none
- Canonical
- none
- Server
- BunnyCDN-MEL1-1140
Machine
- robots.txt
- none (HTTP 200)
- llms.txt
- missing
- llms-full.txt
- missing
- X-Robots-Tag
- none
- Blocked
- OAI-SearchBot, ClaudeBot, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User, Meta-ExternalAgent, Amazonbot, Bytespider, CCBot
- Degraded
- none
- Challenged
- Googlebot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User, Bingbot, Meta-ExternalAgent, Amazonbot, Bytespider, CCBot
Gaps
- medium10 of 14 AI agents are blockedOAI-SearchBot: Bot challenge served (HTTP 429) · ClaudeBot: Bot challenge served (HTTP 429) · Claude-SearchBot: Bot challenge served (HTTP 429) · Claude-User: Bot challenge served (HTTP 429) · PerplexityBot: Bot challenge served (HTTP 429) · Perplexity-User: Bot challenge served (HTTP 429) · Meta-ExternalAgent: Bot challenge served (HTTP 429) · Amazonbot: Bot challenge served (HTTP 429) · Bytespider: Bot challenge served (HTTP 429) · CCBot: Bot challenge served (HTTP 429)
- mediumBot-management challenge served to crawlersGooglebot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User, Bingbot, Meta-ExternalAgent, Amazonbot, Bytespider, CCBot received an interstitial instead of the page. A robots.txt rule is an honest block. A challenge hides the page without saying so.
- lowNo robots.txtEvery crawler is allowed by default. Add one if you want any say in the matter.
- lowNo llms.txtOptional, but a short curated index at /llms.txt is the cheapest way to tell assistants what matters on this site.
- highGooglebot is blockedBot challenge served (HTTP 429)
Every agent
| Agent | Type | robots.txt | Fetch | Words | Result |
|---|---|---|---|---|---|
| Human (Chrome)You | Human | no file | 2001135 ms | 1,489 | visible HTTP 200, 1489 words |
| GooglebotGoogle · Classic search index. Also feeds AI Overviews. | Search engine | no file | 429 challenge766 ms | 8 | blocked Bot challenge served (HTTP 429) |
| Google-ExtendedGoogle · Robots-only token controlling Gemini training use. Never fetches on its own. | AI training | no file | n/a | unknown Robots-only token; allowed by robots.txt | |
| GPTBotOpenAI · Training crawler for OpenAI models. | AI training | no file | 200798 ms | 1,489 | visible HTTP 200, 1489 words |
| OAI-SearchBotOpenAI · Indexes for ChatGPT search results and citations. | AI search index | no file | 429 challenge734 ms | 8 | blocked Bot challenge served (HTTP 429) |
| ChatGPT-UserOpenAI · Live fetch when a user asks ChatGPT about a page. | AI assistant (live fetch) | no file | 2001464 ms | 1,489 | visible HTTP 200, 1489 words |
| ClaudeBotAnthropic · Training crawler for Claude models. | AI training | no file | 429 challenge738 ms | 8 | blocked Bot challenge served (HTTP 429) |
| Claude-SearchBotAnthropic · Indexes for Claude web search. | AI search index | no file | 429 challenge742 ms | 8 | blocked Bot challenge served (HTTP 429) |
| Claude-UserAnthropic · Live fetch when a user asks Claude about a page. | AI assistant (live fetch) | no file | 429 challenge744 ms | 8 | blocked Bot challenge served (HTTP 429) |
| PerplexityBotPerplexity | AI search index | no file | 429 challenge753 ms | 8 | blocked Bot challenge served (HTTP 429) |
| Perplexity-UserPerplexity | AI assistant (live fetch) | no file | 429 challenge749 ms | 8 | blocked Bot challenge served (HTTP 429) |
| BingbotMicrosoft · Bing index. Also feeds Copilot and ChatGPT search. | Search engine | no file | 429 challenge761 ms | 8 | blocked Bot challenge served (HTTP 429) |
| Applebot-ExtendedApple · Robots-only token for Apple Intelligence training. | AI training | no file | n/a | unknown Robots-only token; allowed by robots.txt | |
| Meta-ExternalAgentMeta | AI training | no file | 429 challenge832 ms | 8 | blocked Bot challenge served (HTTP 429) |
| AmazonbotAmazon · Alexa and Amazon AI. | AI training | no file | 429 challenge756 ms | 8 | blocked Bot challenge served (HTTP 429) |
| BytespiderByteDance · Known for ignoring robots.txt. | AI training | no file | 429 challenge763 ms | 8 | blocked Bot challenge served (HTTP 429) |
| CCBotCommon Crawl · Open dataset used to train most LLMs. | AI training | no file | 429 challenge763 ms | 8 | blocked Bot challenge served (HTTP 429) |
Snapshot
Measured 2026-09-25 09:18 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 b-cdn.net does right now, from Cloudflare's network.