What powers 1923.co.jp?
Last seen Jun 2026 · 19 technologies across 16 categories
Analytics
CDN
Amazon S3
since Sep 2022
Google Cloud CDN
since Nov 2024
Databases
Firebase
since Nov 2024
Font scripts
Google Font API
since Nov 2024
IaaS
Google Cloud
since Nov 2024
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Nov 2024
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Page builders
STUDIO
since Nov 2024
Performance
Google Cloud Trace
since Jun 2026
Programming languages
Node.js
since Nov 2024
RUM
New Relic
since Aug 2018
Tag managers
Google Tag Manager
since Aug 2018
Web servers
Nginx
since Aug 2018
Webmail
Google Workspace
since Aug 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.91 / 10 · ranked #645,724 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 1.6 MB · 36 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 1923.co.jp | 14 |
| recruit.1923.co.jp | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Cloud Trace Jun 2026
- dropped Priority Hints May 2026
- dropped core-js Apr 2026
- detected Priority Hints Feb 2026