What powers 
ontenna.jp?
Last seen Sep 2026 · 12 technologies across 10 categories
CDN
Google Cloud CDN
since Sep 2023
Databases
Firebase
since Sep 2023
Font scripts
Google Font API
since Sep 2023
IaaS
Google Cloud
since Sep 2023
JavaScript frameworks
Miscellaneous
HTTP/3
since Sep 2023
Open Graph
since Sep 2022
Page builders
STUDIO
since Sep 2023
Programming languages
Node.js
since Sep 2023
Tag managers
Google Tag Manager
since Feb 2020
Video players
YouTube
since Feb 2020
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
4.70 / 10 · ranked #314,498 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 2.6 MB · 107 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Google Cloud (34.111.141.225)
- DNS: Onamae.com
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,030,109
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
- dropped Priority Hints May 2026
- detected Priority Hints Feb 2026