What powers lec.ac.jp?
Last seen Jun 2026 · 20 technologies across 9 categories
Advertising
FreakOut
since Jul 2022
Google Ads
since Dec 2022
Microsoft Advertising
since Sep 2023
Twitter Ads
since May 2021
Yahoo Advertising
since Apr 2022
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jan 2019
Matomo Analytics
since Jul 2022
TikTok Pixel
since Mar 2025
CDN
Cloudflare
since Sep 2024
Google Hosted Libraries
since May 2023
JavaScript libraries
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Dec 2022
Performance
Priority Hints
since Mar 2026
Security
Cloudflare Bot Management
since Sep 2024
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Nginx
since Jul 2020
Audience
- 71% phone
- 27% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.02 / 10 · ranked #1,559,481 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.4 MB · 240 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025