What powers opennccu.com?

Last seen Aug 2026 · 24 technologies across 14 categories

Advertising

Google AdSense
since Jul 2025

Analytics

Google Analytics
since Mar 2023
Microsoft Clarity
since Nov 2025

CDN

Cloudflare
since Mar 2023

Databases

Firebase
since Sep 2023

Email

Amazon SES
since Sep 2025
Mailgun
since Nov 2025
Sendgrid
since Nov 2025

Font scripts

Google Font API
since Mar 2023

JavaScript frameworks

Nuxt.js
since Jun 2023
React
since Jan 2025
React Router v6
since Jan 2025
Vue.js
since Jun 2023

Miscellaneous

HTTP/3
since Mar 2023
Open Graph
since Jun 2023
PWA
since Mar 2023

PaaS

Amazon Web Services
since Sep 2025
Zeabur
since Jul 2026

Performance

Priority Hints
since Mar 2025

Programming languages

Node.js
since Jun 2023

Security

reCAPTCHA
since Jul 2025

Tag managers

Google Tag Manager
since Mar 2025

UI frameworks

Element UI
since Mar 2025
Tailwind CSS
since Jun 2023

AI Crawlers

Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • Google-Extended Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • Amazonbot Blocked

The other 25 AI crawlers we track are not mentioned and stay allowed by default.

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

Content Signals: search=yes ai-train=no declared in robots.txt

See who blocks each AI crawler across the web

AI Crawlers

8 of 33 AI crawlers blocked

Standards: Content Signals

Full breakdown

Audience

  • 69% desktop
  • 31% phone
  • Taiwan

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

0.28 / 10 · ranked #54,269,697 of all domains

1 referring domains · OpenPageRank

Core Web Vitals

LCP1.9 s
INP150 ms
CLS0.05
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Chinese
  • CDN: Cloudflare
  • Weight: 2.5 MB · 112 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Aug 2026.

Subdomains

HostTechs
opennccu.com 18
www.opennccu.com 18
course.opennccu.com 15
beta-scsr.opennccu.com 6
url.opennccu.com 6

Full technology history →
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