Top 100 / duckdns.org
65
Two different webs
0 of 14 AI agents get the full page at https://duckdns.org/. Checked 2026-09-25 09:18 UTC.
duckdns.org scores 65 out of 100 for machine visibility, number 71 of the 100 most visited websites checked on 2026-09-25. None of the 14 AI agents receive the page. Googlebot itself is unknown: Fetch failed: Timed out. The raw HTML is an app shell with 40 words; content appears only after JavaScript runs. There is no llms.txt.
youfull pagedegradedblockedunknown
Human
- Status
- 200 → https://www.duckdns.org/
- Title
- Duck DNS
- H1
- Duck DNS
- Words
- 40
- Scripts
- 7 tags · 1 KB · app shell
- Meta robots
- none
- Canonical
- none
- Server
- nginx/1.30.3
Machine
- robots.txt
- none (HTTP 404)
- llms.txt
- missing
- llms-full.txt
- missing
- X-Robots-Tag
- none
- Blocked
- none
- Degraded
- GPTBot, OAI-SearchBot, ChatGPT-User, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User, Amazonbot, CCBot
- Challenged
- none
Gaps
- medium10 agents get a degraded pageGPTBot: Empty app shell; content needs JavaScript · OAI-SearchBot: Empty app shell; content needs JavaScript · ChatGPT-User: Empty app shell; content needs JavaScript · Claude-SearchBot: Empty app shell; content needs JavaScript · Claude-User: Empty app shell; content needs JavaScript · PerplexityBot: Empty app shell; content needs JavaScript · Perplexity-User: Empty app shell; content needs JavaScript · Bingbot: Empty app shell; content needs JavaScript · Amazonbot: Empty app shell; content needs JavaScript · CCBot: Empty app shell; content needs JavaScript
- highPage is an empty shell without JavaScriptRaw HTML holds 40 words across 7 scripts. Most AI crawlers do not execute JavaScript, so they see roughly nothing.
- 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.
Every agent
| Agent | Type | robots.txt | Fetch | Words | Result |
|---|---|---|---|---|---|
| Human (Chrome)You | Human | no file | 2003104 ms | 40 | visible HTTP 200, 40 words |
| GooglebotGoogle · Classic search index. Also feeds AI Overviews. | Search engine | no file | Timed out | unknown Fetch failed: Timed out | |
| 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 | 2003103 ms | 40 | partial Empty app shell; content needs JavaScript |
| OAI-SearchBotOpenAI · Indexes for ChatGPT search results and citations. | AI search index | no file | 2006106 ms | 40 | partial Empty app shell; content needs JavaScript |
| ChatGPT-UserOpenAI · Live fetch when a user asks ChatGPT about a page. | AI assistant (live fetch) | no file | 2006111 ms | 40 | partial Empty app shell; content needs JavaScript |
| ClaudeBotAnthropic · Training crawler for Claude models. | AI training | no file | Timed out | unknown Fetch failed: Timed out | |
| Claude-SearchBotAnthropic · Indexes for Claude web search. | AI search index | no file | 2009153 ms | 40 | partial Empty app shell; content needs JavaScript |
| Claude-UserAnthropic · Live fetch when a user asks Claude about a page. | AI assistant (live fetch) | no file | 2009153 ms | 40 | partial Empty app shell; content needs JavaScript |
| PerplexityBotPerplexity | AI search index | no file | 2006111 ms | 40 | partial Empty app shell; content needs JavaScript |
| Perplexity-UserPerplexity | AI assistant (live fetch) | no file | 2003101 ms | 40 | partial Empty app shell; content needs JavaScript |
| BingbotMicrosoft · Bing index. Also feeds Copilot and ChatGPT search. | Search engine | no file | 2006110 ms | 40 | partial Empty app shell; content needs JavaScript |
| 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 | Timed out | unknown Fetch failed: Timed out | |
| AmazonbotAmazon · Alexa and Amazon AI. | AI training | no file | 2006105 ms | 40 | partial Empty app shell; content needs JavaScript |
| BytespiderByteDance · Known for ignoring robots.txt. | AI training | no file | Timed out | unknown Fetch failed: Timed out | |
| CCBotCommon Crawl · Open dataset used to train most LLMs. | AI training | no file | 2009151 ms | 40 | partial Empty app shell; content needs JavaScript |
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 duckdns.org does right now, from Cloudflare's network.