What powers dub.sh?
Last seen Jan 2026 · 16 technologies across 12 categories
Analytics
Vercel Analytics
since Dec 2022
Authentication
NextAuth.js
since Jan 2023
Development
Turbopack
since Jan 2026
JavaScript frameworks
Miscellaneous
Open Graph
since Nov 2022
Webpack
since Nov 2022
PaaS
Vercel
since Nov 2022
Payment processors
Performance
Priority Hints
since Sep 2023
Programming languages
Node.js
since Nov 2022
Security
HSTS
since Nov 2022
UI frameworks
Radix UI
since Jul 2023
Tailwind CSS
since Nov 2022
Webmail
Google Workspace
since Nov 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 99% phone
- 1% desktop
Nepal
India
Singapore
Indonesia
Germany
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.69 / 10 · ranked #13,382 of all domains
1,198 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Amazon Web Services (64.239.109.129)
- DNS: Vercel
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 10,577, 6 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| dub.sh | 14 |
| acme.dub.sh | 12 |
| app.dub.sh | 12 |