What powers 
ibrain.jp?
Last seen Aug 2026 · 12 technologies across 7 categories
Analytics
Google Analytics
since Apr 2019
Microsoft Clarity
since Aug 2024
Editors
DreamWeaver
since Apr 2019
Font scripts
Font Awesome
since Apr 2019
Google Font API
since Apr 2019
JavaScript libraries
UI frameworks
Animate.css
since Apr 2019
Bootstrap
since Apr 2019
Web servers
Apache HTTP Server
since Oct 2021
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Jan 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
- 56% phone
- 44% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #619,191 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 4.4 MB · 80 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MEDIAWARS MEDIAWARS co.,ltd. (210.233.78.87)
- DNS: mediawars.net
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: GlobalSign, RSA 2048, expires Sep 2026
- Common Crawl link graph: rank 10,996,069, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft 365 Jan 2026