What powers re-k.jp?
Last seen Aug 2026 · 13 technologies across 10 categories
Analytics
Google Analytics
since Jul 2021
CDN
Amazon CloudFront
since Jul 2024
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2024
PaaS
Amazon Web Services
since Jul 2024
Programming languages
PHP
since Jul 2021
Tag managers
Google Tag Manager
since Jul 2021
UI frameworks
Bootstrap
since Jul 2024
Web frameworks
CakePHP
since Jul 2024
Web servers
Nginx
since Feb 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 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
1.57 / 10 · ranked #5,940,025 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 8.8 MB · 99 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 株式会社 氣賀澤不動産
- Industry: Real estate (declares
RealEstateAgent)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Amazon Web Services (75.2.50.204)
- DNS: Amazon Route 53
- Email: Sakura Internet
- Email security: SPF (soft fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 34,158,513
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Mar 2026
- dropped Debian Mar 2026
- detected Nginx Feb 2026