What powers 38-8931.com?
Last seen Jun 2026 · 33 technologies across 13 categories
Advertising
AppNexus
since Feb 2024
Criteo
since Jan 2019
FreakOut
since Feb 2022
Google Ads
since Dec 2022
Microsoft Advertising
since Dec 2022
Twitter Ads
since Apr 2021
Yahoo Advertising
since Apr 2022
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jan 2019
Microsoft Clarity
since Dec 2022
CDN
cdnjs
since Oct 2023
Cloudflare
since Nov 2021
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jul 2020
Customer data platform
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
JavaScript libraries
Load balancers
Amazon ALB
since Apr 2023
Amazon ELB
since Sep 2021
Marketing automation
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Sep 2021
Performance
Priority Hints
since Mar 2026
Security
Cloudflare Bot Management
since Nov 2021
Tag managers
Google Tag Manager
since Jan 2019
Audience
- 87% phone
- 12% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.19 / 10 · ranked #457,921 of all domains
88 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 147 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Bot Management Nov 2025
- dropped Adobe Audience Manager Aug 2025