What powers quarktwin.com?
Last seen Sep 2026 · 16 technologies across 11 categories
A/B Testing
Analytics
CDN
JavaScript frameworks
JavaScript libraries
Miscellaneous
Payment processors
Performance
Programming languages
Tag managers
UI frameworks
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- CCBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 60% desktop
- 40% phone
India
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.29 / 10 · ranked #2,909,786 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.8 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare
- Weight: 2.4 MB · 171 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Quarktwin
- Profiles: X
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.44.30, IPv6)
- DNS: Cloudflare DNS
- Email: netease.com
- Email security: SPF (hard fail), DMARC quarantine, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,302,610, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Nov 2025