What powers mobilebook.jp?
Last seen Sep 2026 · 16 technologies across 12 categories
CDN
jQuery CDN
since Dec 2025
Amazon SES
since Aug 2023
Font scripts
Font Awesome
since Oct 2017
Google Font API
since Oct 2017
JavaScript libraries
Miscellaneous
DocuSign
since Dec 2025
Open Graph
since Dec 2025
Operating systems
Windows Server
since Jun 2018
PaaS
Amazon Web Services
since Aug 2023
Security
HSTS
since Jun 2023
UI frameworks
Animate.css
since Oct 2017
Web frameworks
Microsoft ASP.NET
since Aug 2017
Web servers
Webmail
Microsoft 365
since Jul 2023
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
- Aug 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Japan
United States
South Korea
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.12 / 10 · ranked #493,619 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- MobileBook.jp Inc.
- Founded: 2005
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on DNP Dai Nippon Printing Co., Ltd (103.4.42.173)
- DNS: i2ts.ne.jp
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 8,454,540, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| mobilebook.jp | 10 |
| www.mobilebook.jp | 7 |
| mbj-bs.pf.mobilebook.jp | 3 |