What powers sassaren.or.jp?
Last seen Sep 2026 · 19 technologies across 13 categories
Authentication
CMS
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
Web servers
Webmail
WordPress plugins
WordPress themes
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 73% phone
- 27% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.87 / 10 · ranked #3,977,890 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 7.3 MB · 152 requests
- WordPress theme: twentyseventeen (child: sassaren) · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMO Internet (157.7.107.57)
- DNS: technowave.ad.jp
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 31,365,681
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Babel May 2026
- dropped core-js May 2026
- dropped Lodash May 2026
- dropped TinyMCE May 2026
- detected Facebook Login Apr 2026
- detected Priority Hints Apr 2026
- dropped Facebook Login Dec 2025
- detected TinyMCE Nov 2025