What powers 
dennys.co.jp?
Last seen Oct 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Sep 2025
CDN
Amazon CloudFront
since Sep 2025
Google Cloud CDN
since Nov 2025
Google Hosted Libraries
since Nov 2025
jsDelivr
since Nov 2025
Font scripts
Google Font API
since Nov 2025
IaaS
Google Cloud
since Nov 2025
JavaScript frameworks
Vue.js
since Nov 2025
JavaScript libraries
Maps
Google Maps
since Nov 2025
Miscellaneous
PaaS
Amazon Web Services
since Sep 2025
Performance
Google Cloud Trace
since Nov 2025
Security
HSTS
since Sep 2025
UI frameworks
Element UI
since Nov 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Nov 2026 * removed from robots.txt
- Nov 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 74% phone
- 26% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.11 / 10 · ranked #499,678 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 0.9 MB · 56 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 株式会社セブン＆アイ・フードシステムズ (Denny’s Japan on Wikidata)
- Founded: 2007
- Sector: food service
- Country: Japan
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- DNS: d-53.info
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 112,419, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shop.dennys.co.jp | 16 |
| www.dennys.co.jp | 5 |