What powers sanda-bunka.jp?
Last seen Aug 2026 · 12 technologies across 11 categories
Authentication
Facebook Login
since Jul 2021
CMS
WordPress
since Mar 2020
Databases
MySQL
since Mar 2020
Font scripts
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Oct 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
PHP
since Mar 2020
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Google Workspace
since Oct 2023
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 83% phone
- 17% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.01 / 10 · ranked #562,765 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 8.6 MB · 78 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on HTCN Hokuriku Telecommunication Network Co. (210.250.178.253)
- DNS: Amazon Route 53
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,987,936, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted