What powers utages.net?
Last seen Jun 2026 · 23 technologies across 16 categories
Advertising
Google AdSense
since Oct 2023
Twitter Ads
since Oct 2023
Analytics
Google Analytics
since Oct 2023
Authentication
Facebook Login
since Oct 2023
Caching
Varnish
since Oct 2023
CDN
CMS
Hatena Blog
since Oct 2023
Cookie compliance
Funding Choices
since Feb 2024
Font scripts
Google Font API
since Dec 2025
Issue trackers
Sentry
since Oct 2023
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
RSS
since Oct 2023
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Oct 2023
Tag managers
Google Tag Manager
since Oct 2023
Video players
YouTube
since Oct 2023
Web servers
Nginx
since Oct 2023
Widgets
Twitter
since Oct 2023
Audience
- 65% phone
- 33% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.24 / 10 · ranked #70,212,161 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 125 ms |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.2 MB · 168 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
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 Google Font API Dec 2025
- dropped Cloudflare Oct 2025
- dropped Cloudflare Bot Management Oct 2025