What powers dbmschool.net?
Last seen Jun 2026 · 20 technologies across 15 categories
Advertising
Google AdSense
since Oct 2022
Twitter Ads
since Oct 2022
Analytics
Google Analytics
since Oct 2022
Caching
Varnish
since Oct 2022
CDN
Amazon CloudFront
since Apr 2026
Cloudflare
since Mar 2025
CMS
Hatena Blog
since Dec 2022
Cookie compliance
Funding Choices
since Feb 2024
Font scripts
Google Font API
since Jun 2026
Issue trackers
Sentry
since Oct 2022
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since Oct 2022
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Oct 2022
Tag managers
Google Tag Manager
since Oct 2022
Web servers
Nginx
since Oct 2022
Widgets
Twitter
since Oct 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.48 / 10 · ranked #25,707,251 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 2.4 MB · 111 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 Google Font API Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Amazon CloudFront Apr 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025