What powers estoppel.jp?
Last seen Jun 2026 · 33 technologies across 15 categories
Advertising
33Across
since Nov 2024
AppNexus
since Nov 2024
Google AdSense
since Jul 2019
OpenX
since Nov 2024
Prebid
since Oct 2024
PubMatic
since Nov 2024
Rubicon Project
since Oct 2024
Smart Ad Server
since Oct 2024
TripleLift
since Nov 2024
Twitter Ads
since Jun 2021
Utiq
since Oct 2024
Analytics
Authentication
Facebook Login
since Jun 2021
Caching
Varnish
since Jul 2019
CDN
Amazon CloudFront
since Apr 2026
Cloudflare
since Feb 2025
CMS
Hatena Blog
since Dec 2022
Issue trackers
Sentry
since Nov 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since Aug 2022
Security
Cloudflare Bot Management
since Feb 2025
reCAPTCHA
since Jul 2019
Segmentation
Adobe Audience Manager
since Apr 2025
Tag managers
Google Tag Manager
since Jul 2019
Web servers
Nginx
since Jul 2019
Widgets
Audience
- 90% phone
- 7% desktop
- 3% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.92 / 10 · ranked #3,809,063 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 150 ms |
| CLS | 0.2 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 2.8 MB · 1,580 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 Amazon CloudFront Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- dropped Bootstrap Feb 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected AppNexus Oct 2025
- detected Adobe Audience Manager Aug 2025
- dropped AppNexus Aug 2025