What powers copus.io?
Last seen Oct 2026 · 14 technologies across 9 categories
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
AI Crawlers
Blocks 10 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
The other 23 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 Content Signals changed
AI Crawlers
10 of 33 AI crawlers blocked
Audience
- 75% phone
- 25% desktop
China
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.02 / 10 · ranked #12,281,247 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.6 s |
| INP | 100 ms |
| CLS | 0.45 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 6.6 MB · 128 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Copus
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.31.252, IPv6)
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 284,769, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Prism Sep 2026
- dropped Google Analytics Aug 2026
- dropped Google Tag Manager Aug 2026
- dropped HTTP/3 Aug 2026
- detected Java Aug 2026
- dropped lit-element Aug 2026
- dropped lit-html Aug 2026
- dropped Microsoft Clarity Aug 2026
- dropped PayPal Aug 2026
- dropped Prism Aug 2026
- detected core-js Jul 2026
- detected PWA Jul 2026
- detected Tailwind CSS Jul 2026
- detected Vite Jul 2026