What powers 
riza-en.jp?
Last seen Oct 2026 · 27 technologies across 15 categories
A/B Testing
Advertising
Analytics
CDN
CMS
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
- Nov 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 63% desktop
- 37% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.23 / 10 · ranked #446,784 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 5.0 MB · 190 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (35.77.193.242)
- DNS: db-center.net
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: GlobalSign, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 2,492,311, 43 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.riza-en.jp | 25 |
| qrcode.riza-en.jp | 14 |
| vaccine.riza-en.jp | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon S3 Jul 2026
- detected Amazon Web Services Jul 2026