What powers britannica.co.jp?
Last seen Jun 2026 · 20 technologies across 10 categories
Advertising
Google Ads
since Dec 2022
Yahoo Advertising
since Feb 2023
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jan 2019
Linkedin Insight Tag
since Dec 2022
Microsoft Clarity
since Sep 2022
CDN
Amazon CloudFront
since Jul 2025
Cloudflare
since Mar 2025
Google Hosted Libraries
since Feb 2022
jsDelivr
since May 2021
CRM
Salesforce
since May 2026
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since May 2021
Web servers
Nginx
since May 2021
Audience
- 65% desktop
- 35% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.13 / 10 · ranked #491,194 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 16.4 MB · 104 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Facebook Login Jun 2026
- dropped Twitter Jun 2026
- dropped Twitter Ads Jun 2026
- dropped YouTube Jun 2026
- detected Salesforce May 2026
- dropped Google Workspace Jan 2026