What powers irs.jp?
Last seen Jun 2026 · 20 technologies across 10 categories
Advertising
AD EBiS
since Apr 2018
Criteo
since Jun 2018
Google Ads
since Dec 2022
Microsoft Advertising
since Feb 2024
Yahoo Advertising
since Apr 2022
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jun 2018
CDN
Amazon CloudFront
since Dec 2023
jsDelivr
since Jul 2023
Font scripts
Google Font API
since Jul 2023
JavaScript libraries
Miscellaneous
HTTP/3
since Dec 2023
Open Graph
since Jul 2023
PaaS
Amazon Web Services
since Aug 2022
Security
HSTS
since May 2024
Tag managers
Google Tag Manager
since Apr 2018
Web servers
Nginx
since Dec 2023
Audience
- 73% phone
- 25% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.67 / 10 · ranked #779,549 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 9.1 MB · 132 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Adobe Audience Manager Aug 2025