What powers yy2.edu.hk?
Last seen Aug 2026 · 6 technologies across 6 categories
Editors
JavaScript libraries
Miscellaneous
SWFObject
since Jan 2019
Operating systems
Fedora
since Aug 2018
Programming languages
Web servers
Apache HTTP Server
since Aug 2018
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 55% phone
- 45% desktop
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.80 / 10 · ranked #1,971,915 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 6.0 MB · 82 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| campus.yy2.edu.hk | 5 |
| chist.yy2.edu.hk | 3 |
| lnt.yy2.edu.hk | 3 |
| www.yy2.edu.hk | 2 |