What powers jac-web.com?
Last seen Jun 2026 · 26 technologies across 17 categories
Advertising
Twitter Ads
since Apr 2022
Analytics
Google Analytics
since Apr 2019
CDN
Cloudflare
since Mar 2025
Google Hosted Libraries
since Apr 2022
CMS
Databases
MySQL
since Apr 2019
Font scripts
Font Awesome
since Sep 2020
Twitter Emoji (Twemoji)
since Apr 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Sep 2023
Photo galleries
Programming languages
Adobe Flash
since Apr 2022
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Jan 2023
SEO
Video players
YouTube
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
Widgets
Twitter
since Apr 2019
WordPress plugins
MetaSlider
since Aug 2022
Audience
- 79% phone
- 21% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.88 / 10 · ranked #1,806,495 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 300 ms |
| CLS | 0.25 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.5 MB · 66 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jac-web.com | 20 |
| school.jac-web.com | 16 |
| phs.jac-web.com | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025