What powers 
tvc-16.science?
Last seen Oct 2026 · 27 technologies across 12 categories
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Search engines
UI frameworks
Web frameworks
Web servers
Widgets
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Nov 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- img2dataset Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- SBIntuitionsBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- Claude-SearchBot Blocked
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- GoogleAgent-Mariner Blocked
- meta-externalfetcher Blocked
- MistralAI-User Blocked
- Perplexity-User Blocked
The other 2 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 claude-user added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 anthropic-ai added to robots.txt
- Oct 2026 claudebot added to robots.txt
AI Crawlers
All crawlers blocked
Audience
- 59% desktop
- 41% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #900,383 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.7 MB · 45 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Vultr (207.246.114.67)
- DNS: dnsowl.com
- Email: emailowl.com
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 1,933,480, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| lrr.tvc-16.science | 16 |
| tvc-16.science | 11 |
| diy.tvc-16.science | 9 |