What powers viewport-ui.design?
Last seen Sep 2026 · 9 technologies across 7 categories
Analytics
Caching
CDN
JavaScript libraries
Miscellaneous
PaaS
Static site generator
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- GoogleOther Blocked
- meta-externalagent Blocked
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- Perplexity-User Allowed
The other 14 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 youbot removed from robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 claude-user added to robots.txt
- Oct 2026 chatgpt-user: Allowed (was Blocked)
- Oct 2026 ccbot: Allowed (was Blocked)
- Oct 2026 claudebot: Allowed (was Blocked)
AI Crawlers
8 of 33 AI crawlers blocked
Standards: llms.txt, llms-full.txt, Content Signals
Open Page Rank
2.06 / 10 · ranked #3,432,703 of all domains
15 referring domains · OpenPageRank
Infrastructure
- Hosted on Amazon Web Services (207.207.210.23)
- DNS: Porkbun
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,937,344
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Tailwind CSS Dec 2025