What powers jsrun.net?
Last seen Oct 2026 · 14 technologies across 11 categories
Advertising
Analytics
Cookie compliance
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Programming languages
Rich text editors
Security
Tag managers
Web servers
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- GPTBot Blocked
- ClaudeBot Allowed
Search and AI assistants
- Amazonbot Blocked
The other 30 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 claudebot added to robots.txt
AI Crawlers
2 of 33 AI crawlers blocked
Audience
- 71% desktop
- 29% phone
Japan
China
United States
Hong Kong SAR China
Singapore
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.60 / 10 · ranked #812,583 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 0.2 MB · 31 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Alibaba Cloud (39.98.162.162)
- Email: Alibaba Mail
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,092,011, 82 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| c.jsrun.net | 10 |
| cpp.jsrun.net | 10 |
| java.jsrun.net | 10 |
| jsrun.net | 5 |
| www.jsrun.net | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare May 2026
- dropped Cloudflare Bot Management May 2026
- detected Cloudflare Jan 2026
- detected Cloudflare Bot Management Jan 2026