What powers jaco.co.jp?
Last seen Aug 2026 · 18 technologies across 14 categories
Analytics
Google Analytics
since Mar 2023
CMS
WordPress
since Mar 2023
Databases
MySQL
since Mar 2023
Font scripts
Google Font API
since Mar 2023
JavaScript libraries
scrollreveal
since Mar 2023
Swiper
since Mar 2023
Miscellaneous
Open Graph
since Mar 2023
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since Apr 2023
Priority Hints
since Jun 2026
Programming languages
PHP
since Mar 2023
Security
HSTS
since Apr 2023
SEO
Video players
YouTube
since Mar 2024
Web servers
Nginx
since Mar 2023
WordPress plugins
EWWW Image Optimizer
since Apr 2023
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.95 / 10 · ranked #609,412 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 18.5 MB · 78 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| semi.jaco.co.jp | 16 |
| www.jaco.co.jp | 15 |
| corp.jaco.co.jp | 14 |