What powers lumina.edu.hk?
Last seen Sep 2026 · 22 technologies across 14 categories
Analytics
CDN
CMS
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Performance
Security
Tag managers
UI frameworks
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not checked
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 86% phone
- 14% tablet
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.58 / 10 · ranked #2,356,971 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Google
- Weight: 3.0 MB · 282 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Lumina College 恩光書院 (Lumina College on Wikidata)
- Founded: 2015
- Country: People's Republic of China
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Google Cloud (23.236.62.147)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 6,861,951, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Envoy Mar 2026
- detected WhatsApp Business Chat Mar 2026
- detected Envoy Jan 2026