What powers r-keeper.jp?
Last seen Sep 2026 · 13 technologies across 11 categories
Advertising
Microsoft Advertising
since Jul 2026
Analytics
Google Analytics
since Apr 2019
CDN
Google Hosted Libraries
since Mar 2022
Font scripts
Google Font API
since Apr 2019
JavaScript libraries
Miscellaneous
HTTP/3
since Jun 2026
Open Graph
since Sep 2022
Performance
Priority Hints
since Jul 2026
Programming languages
PHP
since Aug 2022
Tag managers
Google Tag Manager
since Sep 2021
Web servers
Widgets
FlexSlider
since Apr 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
- Oct 2026 perplexity-user removed from robots.txt
- Oct 2026 chatgpt-user removed from robots.txt
- Oct 2026 claude-user removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
- Oct 2026 claude-searchbot removed from robots.txt
- Oct 2026 applebot removed from robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.37 / 10 · ranked #1,040,700 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.0 MB · 7 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 株式会社エアネット
- Industry: Software and apps (declares
WebApplication)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on AIR Air Internet Service Co.,Ltd. (210.159.71.25, IPv6)
- DNS: air.ne.jp
- Email: airnet.ne.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 11,710,634
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.r-keeper.jp | 12 |
| rk1.r-keeper.jp | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Sep 2026
- dropped Modernizr Sep 2026
- detected Google Tag Manager Jul 2026
- detected Microsoft Advertising Jul 2026
- detected Priority Hints Jul 2026
- detected HTTP/3 Jun 2026
- detected OpenResty Jun 2026