What powers plklcsk.edu.hk?
Last seen Oct 2026 · 17 technologies across 12 categories
Analytics
CDN
CMS
Editors
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web frameworks
Webmail
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 73% phone
- 27% desktop
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.76 / 10 · ranked #4,577,775 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare
- Weight: 6.8 MB · 108 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Po Leung Kuk Leung Chow Shun Kam Primary School
- Founded: 1984
- Country: People's Republic of China
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.83.73, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 13,350,580, 2 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| eclass.plklcsk.edu.hk | 11 |
| www.plklcsk.edu.hk | 10 |
Full technology history →
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Recent changes
- dropped YouTube Jun 2026
- detected YouTube Apr 2026
- dropped jQuery CDN Jan 2026
- dropped jQuery Migrate Jan 2026
- dropped Slick Jan 2026
- detected AOS Dec 2025