What powers cair-cas.org.hk?
Last seen Aug 2025 · 9 technologies across 8 categories
Font scripts
Font Awesome
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
Programming languages
PHP
since Aug 2022
Rich text editors
UI frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.25 / 10 · ranked #1,189,448 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on OVERCASTS-AS-AP Overcasts Limited (122.10.113.53)
- DNS: microsoftonline.com
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 185,309, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted