What powers 53bk.com?
Last seen Aug 2026 · 4 technologies across 4 categories
JavaScript libraries
Operating systems
Web frameworks
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.81 / 10 · ranked #708,774 of all domains
44 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
2 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Chinese (China)
- Weight: 0.3 MB · 57 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on UCLOUD-HK-AS-AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED (107.150.99.145)
- DNS: 01isp.com
- Email: Tencent Exmail
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 6,728,936, 10 hosts
DNS records as swept Sep 2026. How the web is hosted