What powers 
itheatre.jp?
Last seen Oct 2026 · 6 technologies across 4 categories
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Web servers
Nginx
since Apr 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 79% phone
- 21% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.82 / 10 · ranked #707,892 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 14.6 MB · 90 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (210.224.185.19)
- DNS: Sakura Internet
- Email: itheatre.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 2,301,049, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted