What powers 
j-testing.jp?
Last seen Sep 2026 · 10 technologies across 9 categories
Analytics
Google Analytics
since Aug 2018
CDN
Amazon CloudFront
since Feb 2022
Amazon SES
since Jun 2023
JavaScript libraries
Load balancers
Amazon ALB
since May 2022
PaaS
Amazon Web Services
since Feb 2022
Programming languages
PHP
since Aug 2018
Web servers
Apache HTTP Server
since Aug 2018
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% phone
- 34% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.68 / 10 · ranked #773,442 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Amazon CloudFront
- Weight: 2.4 MB · 100 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (3.168.122.63)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Amazon Trust Services, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 11,813,439, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| j-testing.jp | 9 |
| ntest.j-testing.jp | 6 |