What powers toho-arc.com?
Last seen Sep 2026 · 16 technologies across 13 categories
Analytics
Google Analytics
since Apr 2025
CDN
Google Cloud CDN
since Apr 2025
Databases
Firebase
since Apr 2025
Font scripts
Google Font API
since Apr 2025
IaaS
Google Cloud
since Apr 2025
JavaScript frameworks
Miscellaneous
HTTP/3
since Jan 2024
Open Graph
since Apr 2025
PaaS
Amazon Web Services
since Jan 2024
Page builders
STUDIO
since Apr 2025
Programming languages
Node.js
since Apr 2025
Tag managers
Google Tag Manager
since Apr 2025
Video players
YouTube
since Apr 2025
Webmail
Apple iCloud Mail
since Jun 2026
Microsoft 365
since Jan 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.54 / 10 · ranked #6,128,913 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| CLS | 0.05 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 8.2 MB · 125 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (18.160.78.31)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,414,930
- Verified with: Apple Business, Google
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 Apple iCloud Mail Jun 2026
- dropped Priority Hints May 2026
- detected Priority Hints Feb 2026