What powers 
sendaiuchukan.jp?
Last seen Aug 2026 · 4 technologies across 4 categories
Analytics
Google Analytics
since Feb 2020
Maps
Google Maps
since Dec 2022
Miscellaneous
RSS
since Dec 2022
Web servers
Apache HTTP Server
since Feb 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 86% phone
- 14% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.73 / 10 · ranked #750,318 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 3.7 MB · 80 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sendai Space Museum
- Founded: 1998
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on SYNAPSE SYNAPSE Co.,Ltd. (202.208.176.48)
- DNS: synapse.ne.jp
- Email: synapse.ne.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,203,415
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted