What powers barrier-free-challenge.com?
Last seen Jun 2026 · 22 technologies across 14 categories
Analytics
Google Analytics
since Dec 2022
CMS
WordPress
since Dec 2022
Databases
MySQL
since Dec 2022
Font scripts
Google Font API
since Dec 2022
Hosting
Sakura Internet
since Dec 2022
JavaScript libraries
Clipboard.js
since Dec 2022
Miscellaneous
Open Graph
since Dec 2022
RSS
since Dec 2022
Payment processors
Performance
LazySizes
since Dec 2022
Priority Hints
since Dec 2023
Programming languages
PHP
since Dec 2022
Security
reCAPTCHA
since Dec 2022
Tag managers
Google Tag Manager
since Dec 2022
Web servers
Nginx
since Dec 2022
WordPress plugins
EWWW Image Optimizer
since Dec 2022
Shortcodes Ultimate
since Dec 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.15 / 10 · ranked #10,495,796 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.2 MB · 84 requests
- WordPress theme: biz-vektor (child: biz-vektor-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.