What powers duper.gg?

Last seen Oct 2026 · 29 technologies across 16 categories

Analytics

Caching

Varnish
since Feb 2025

CDN

Cloudflare
since Jun 2024
jQuery CDN
since Feb 2025
jsDelivr
since Feb 2025

CMS

Ghost v5.111
since Feb 2025

Font scripts

Google Font API
since Feb 2025

JavaScript frameworks

Next.js v13.0.6
since Jun 2024
React
since Jun 2024
styled-components v6.1.18
since Sep 2024

JavaScript libraries

jQuery v3.5.1
since Feb 2025
lit-element v3.3.3
since Sep 2024
lit-html v2.8.0
since Sep 2024
MobX
since Sep 2024

Miscellaneous

HTTP/3
since Jun 2024
Open Graph
since Jun 2024
RSS
since Feb 2025
Webpack
since Jun 2024

PaaS

Vercel
since Jun 2024

Payment processors

Paysafe
since Jul 2025

Programming languages

Node.js
since Jun 2024

Security

Cloudflare Bot Management
since Sep 2024
HSTS
since Jun 2024

Static site generator

Nextra
since Jun 2024

UI frameworks

Headless UI
since Jun 2024
Tailwind CSS
since Jun 2024

Video players

YouTube
since Jun 2024

Web servers

Nginx
since Feb 2025
OpenResty
since Feb 2025

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.

  • robots.txt found
  • llms.txt not checked
  • ai.txt not checked

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Open Page Rank

1.84 / 10 · ranked #4,127,623 of all domains

10 referring domains · OpenPageRank

Page

  • Language: English
  • CDN: Vercel
  • Weight: 13.2 MB · 140 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Amazon Web Services (76.76.21.21)
  • DNS: Cloudflare DNS
  • Email: no MX record returned
  • Email security: DMARC monitor only
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 7,451,161, 4 hosts
  • Verified with: Google

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

Subdomains

HostTechs
docs.duper.gg 14
blog.duper.gg 13
www.duper.gg 11

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018