What powers 
spina.co.jp?
Last seen Oct 2026 · 10 technologies across 7 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Feb 2019
JavaScript libraries
Slick
since Feb 2019
Maps
Google Maps
since Feb 2019
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Jan 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
4.13 / 10 · ranked #490,782 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 1.1 MB · 18 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Spina
- Founded: 1952
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on ODN - SoftBank Corp. (61.201.18.114)
- DNS: nishitetsu.ne.jp
- Email: nnr.co.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 10,031,770, 5 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| exterminator.spina.co.jp | 10 |
| realestate.spina.co.jp | 9 |
| www.spina.co.jp | 8 |