What powers dupay.one?
Last seen Oct 2026 · 9 technologies across 8 categories
Analytics
Microsoft Clarity
since Aug 2023
Caching
Varnish
since Dec 2025
CDN
Cloudflare
since Aug 2023
Fastly
since Dec 2025
CRM
Zoho
since Aug 2023
JavaScript libraries
Miscellaneous
HTTP/3
since Aug 2023
PaaS
GitHub Pages
since Dec 2025
Security
HSTS
since Aug 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 71% desktop
- 29% phone
United States
China
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.63 / 10 · ranked #5,437,606 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- CDN: Fastly
- Weight: 0.2 MB · 5 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Cloudflare DNS
- Email: Zoho Mail
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 6,789,691, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.dupay.one | 6 |
| dupay.one | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Fastly Dec 2025
- detected GitHub Pages Dec 2025
- detected Varnish Dec 2025