What powers 
curiosity.jp?
Last seen Sep 2026 · 17 technologies across 12 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 89% desktop
- 11% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.67 / 10 · ranked #377,037 of all domains
100 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare
- Weight: 0.7 MB · 34 requests
- WordPress theme: curiosity · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (162.159.134.42)
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 763,718, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped EWWW Image Optimizer Jul 2026
- dropped LazySizes Jul 2026
- dropped Nginx Jul 2026
- dropped WordPress Super Cache Jul 2026
- dropped Autoptimize Jun 2026
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected HTTP/3 Jun 2026
- detected Kinsta Jun 2026
- dropped WordPress Block Editor Jun 2026
- detected GSAP May 2026