What powers sumadepa.co.jp?
Last seen Aug 2026 · 13 technologies across 10 categories
Analytics
Google Analytics
since Dec 2023
CDN
Amazon CloudFront
since Dec 2023
JavaScript libraries
Miscellaneous
HTTP/3
since Dec 2023
PaaS
Amazon Web Services
since Dec 2023
Programming languages
PHP
since Dec 2023
Tag managers
Google Tag Manager
since Dec 2023
UI frameworks
Bootstrap
since Dec 2023
Web frameworks
CakePHP
since Dec 2023
Web servers
Nginx
since Feb 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.22 / 10 · ranked #9,684,887 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0.1 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 5.8 MB · 109 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.180.85)
- DNS: Sakura Internet
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Amazon Trust Services, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 93,941,522, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Mar 2026
- dropped Debian Mar 2026
- detected Nginx Feb 2026