What powers jobpacker.app?
Last seen Sep 2026 · 17 technologies across 10 categories
Analytics
Google Analytics
since Jul 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Nov 2021
PaaS
Vercel
since Nov 2021
Performance
Partytown
since Sep 2026
Priority Hints
since Sep 2026
Programming languages
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jul 2021
UI frameworks
Tailwind CSS
since Jun 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.62 / 10 · ranked #5,531,346 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Vercel
- Weight: 0.4 MB · 33 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: Google Cloud DNS
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 14,500,017, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted