What powers arpeggio-inc.com?
Last seen Oct 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Jan 2024
CDN
Google Hosted Libraries
since Jan 2024
Font scripts
Google Font API
since Jan 2024
Form builders
Google Forms
since Jan 2024
Hosting
Sakura Internet
since Jan 2024
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2024
Tag managers
Google Tag Manager
since Jan 2024
Web servers
Nginx
since Jan 2024
Webmail
Microsoft 365
since Oct 2026
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.39 / 10 · ranked #38,190,306 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.5 MB · 52 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.180.57)
- DNS: Sakura Internet
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 32,857,422
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted