What powers 
flat-flat.jp?
Last seen Sep 2026 · 12 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CDN
jQuery CDN
since Feb 2022
Font scripts
Google Font API
since Aug 2022
JavaScript libraries
Load balancers
Amazon ALB
since Sep 2021
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Sep 2019
PaaS
Amazon Web Services
since Sep 2021
Programming languages
Java
since Sep 2021
Video players
VideoJS
since Apr 2022
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 80% phone
- 18% desktop
- 2% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.74 / 10 · ranked #133,799 of all domains
165 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.1 MB · 19 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NCJ-NET NHN Cloud Japan Corporation (133.223.30.2)
- DNS: Amazon Route 53
- Email: wtpt.jp
- Email security: no SPF record, no DMARC record
- SSL: GlobalSign, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 7,072,860, 5 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bandai-ch.flat-flat.jp | 9 |
| douga.flat-flat.jp | 6 |
| flat-flat.jp | 4 |