What powers 
a-eru.co.jp?
Last seen Sep 2026 · 29 technologies across 18 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Payment processors
Performance
Programming languages
Reviews
Security
Tag managers
Video players
Web servers
Webmail
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 55% desktop
- 45% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #286,976 of all domains
103 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 76 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Xserver (183.90.235.20)
- DNS: Onamae.com
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: CloudSecure Corporation, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 8,707,706, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shop.a-eru.co.jp | 18 |
| a-eru.co.jp | 14 |
| time-stay.a-eru.co.jp | 9 |
Full technology history →
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