What powers prontest.co.jp?
Last seen Oct 2026 · 42 technologies across 19 categories
Analytics
CDN
CMS
CRM
Databases
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% desktop
- 50% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.35 / 10 · ranked #1,068,559 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 4700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 53 requests
- WordPress theme: prontest (child: prontest-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (183.181.91.168)
- DNS: Onamae.com
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,418,562, 2 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| prontest.co.jp | 34 |
| www.prontest.co.jp | 22 |
Full technology history →
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Recent changes
- detected Polylang Aug 2026
- detected Fluent Forms Jul 2026
- detected Amazon SES Apr 2026
- detected Amazon Web Services Apr 2026
- detected Elementor Mar 2026
- detected Formidable Form Mar 2026
- detected The Events Calendar Mar 2026