What powers 
jiajunwu.com?
Last seen Oct 2026 · 5 technologies across 5 categories
Analytics
Hosting
Miscellaneous
Performance
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 93% desktop
- 7% phone
United States
China
Singapore
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #457,649 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 1.1 MB · 18 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Sep 2013 (13 years) via Launchpad.com Inc., renews Sep 2031
- Hosted on Oracle Cloud (192.185.244.63)
- DNS: HostGator
- Email: jiajunwu.com
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 109,742, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped YouTube Oct 2026