What powers re-lab.jp?
Last seen Oct 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CDN
Amazon CloudFront
since Jan 2019
JavaScript libraries
Miscellaneous
HTTP/3
since Dec 2022
PaaS
Amazon Web Services
since Jan 2019
Programming languages
PHP
since Sep 2021
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Feb 2021
Web frameworks
CakePHP
since Sep 2021
Web servers
Nginx
since Feb 2026
Widgets
Google Plus
since Jan 2019
Twitter
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 70% phone
- 30% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.91 / 10 · ranked #1,761,876 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 15.8 MB · 128 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (54.65.61.239)
- DNS: Sakura Internet
- Email: Sakura Internet
- Email security: SPF (soft fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 17,236,987
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.re-lab.jp | 13 |
| re-lab.jp | 10 |
Full technology history →
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