What powers krachaidam.jp?
Last seen Aug 2026 · 18 technologies across 13 categories
A/B Testing
Google Optimize
since May 2023
Advertising
Analytics
Google Ads Conversion Tracking
since Aug 2021
Google Analytics
since Aug 2018
CDN
jQuery CDN
since Feb 2022
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since May 2020
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Babel
since Sep 2021
PaaS
Amazon Web Services
since Jul 2026
Security
HSTS
since Aug 2023
Tag managers
Google Tag Manager
since Aug 2018
Web servers
Nginx
since Aug 2023
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
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.01 / 10 · ranked #1,576,600 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 2.4 MB · 134 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (52.195.47.16)
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 10,749,199, 3 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
- detected Amazon Web Services Jul 2026
- dropped Rubicon Project Jul 2026
- detected OpenX Jun 2026
- dropped OpenX Dec 2025
- dropped Microsoft Advertising Nov 2025
- dropped Microsoft Clarity Nov 2025
- detected Rubicon Project Nov 2025
- detected Facebook Pixel Oct 2025
- detected OpenX Oct 2025