What powers jacom.co.jp?
Last seen Sep 2026 · 20 technologies across 16 categories
Analytics
Google Analytics
since Aug 2022
CDN
jsDelivr
since Aug 2022
CMS
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Apr 2025
Twitter Emoji (Twemoji)
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2025
RSS
since Jan 2023
PaaS
Amazon Web Services
since Aug 2022
Page builders
WordPress Block Editor
since Apr 2025
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Aug 2022
SEO
Web servers
Nginx
since Aug 2022
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WordPress themes
Lightning
since Apr 2025
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.79 / 10 · ranked #4,428,019 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.3 MB · 112 requests
- WordPress theme: lightning (child: lightning-child) · all themes
- Structured data: JSON-LD, 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 Amazon Web Services (3.112.157.252)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 12,693,852, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Site Kit Aug 2026