What powers opencli.info?
Last seen Oct 2026 · 12 technologies across 9 categories
Analytics
Caching
CDN
Font scripts
JavaScript frameworks
JavaScript graphics
Miscellaneous
PaaS
Security
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
- Google-Extended Allowed
Search and AI assistants
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- Perplexity-User Allowed
The other 21 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
5 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 94% desktop
- 6% phone
United States
China
India
Japan
Singapore
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.78 / 10 · ranked #4,441,026 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Cloudflare, Fastly
- Weight: 0.4 MB · 11 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.9.40, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 257,714
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted