What powers inss.co.jp?
Last seen Sep 2026 · 14 technologies across 12 categories
Analytics
CMS
Databases
JavaScript libraries
Maps
Page builders
Performance
Programming languages
UI frameworks
Web servers
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.11 / 10 · ranked #1,413,410 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.7 MB · 61 requests
- WordPress theme: astra (child: astra-child) · all themes
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Institute of Nuclear Safety System, Inc. (Japan)
- Founded: 1992
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (210.224.185.208)
- Email: kagoya.net
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 12,290,283
- 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
- detected WP-Optimize Aug 2026
- dropped jQuery Jul 2026
- dropped jQuery Migrate Jul 2026
- dropped WP-Optimize Jul 2026
- dropped Preact May 2026
- dropped WordPress Site Editor May 2026
- detected Astra Apr 2026
- detected Google Analytics Apr 2026
- detected Google Maps Apr 2026
- detected Spectra Apr 2026
- detected WordPress Block Editor Apr 2026
- dropped Open Graph Mar 2026
- dropped RSS Mar 2026
- dropped All in One SEO Feb 2026
- detected jQuery Feb 2026
- detected jQuery Migrate Feb 2026
- detected Site Kit Feb 2026
- detected WP-Optimize Feb 2026
- dropped Apache HTTP Server Jan 2026
- dropped Google Analytics Jan 2026
- dropped Google Tag Manager Jan 2026
- dropped Google Tag Manager for WordPress Jan 2026
- dropped jQuery Jan 2026
- dropped jQuery Migrate Jan 2026
- detected All in One SEO Dec 2025
- detected Nginx Dec 2025
- detected Open Graph Dec 2025
- detected Preact Dec 2025
- detected Priority Hints Dec 2025
- detected RSS Dec 2025
- detected Swiper Dec 2025
- detected WordPress Site Editor Dec 2025