What powers hkchengrex.com?
Last seen Sep 2026 · 12 technologies across 8 categories
Analytics
Cloudflare Browser Insights
since Jul 2026
Google Analytics
since Feb 2023
Caching
Varnish
since Feb 2023
CDN
Font scripts
Google Font API
since Jul 2026
Miscellaneous
HTTP/3
since Jul 2026
PaaS
GitHub Pages
since Feb 2023
Performance
Priority Hints
since Jul 2026
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.30 / 10 · ranked #1,121,986 of all domains
27 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare, Fastly
- Weight: 0.7 MB · 13 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.56.151, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 93,275
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Hosted Libraries Aug 2026
- dropped jQuery Aug 2026