What powers 
jaea.or.jp?
Last seen Sep 2026 · 26 technologies across 15 categories
Advertising
Twitter Ads
since Oct 2022
Analytics
Google Analytics
since Oct 2022
CDN
CMS
Databases
MySQL
since Apr 2019
Font scripts
Google Font API
since Dec 2022
Twitter Emoji (Twemoji)
since Dec 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Mobile frameworks
Programming languages
PHP
since Apr 2019
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Nginx
since Apr 2019
Widgets
Twitter
since Oct 2022
WordPress plugins
Autoptimize
since Jun 2024
Contact Form 7
since Feb 2022
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
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 68% phone
- 32% desktop
Japan
Indonesia
Sri Lanka
Bangladesh
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.52 / 10 · ranked #399,094 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 5.1 MB · 50 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (183.90.237.67)
- Email: Sakura Internet
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,188,519, 5 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| exam.jaea.or.jp | 18 |
| jaea.or.jp | 12 |
| www.jaea.or.jp | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped reCAPTCHA Sep 2026
- dropped Cloudflare Bot Management Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025