What powers reraku.jp?
Last seen Aug 2026 · 41 technologies across 22 categories
Analytics
CDN
CMS
Databases
Development
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Operating systems
PaaS
Programming Languages
Reverse Proxy
SEO
Tag managers
UI frameworks
Web Frameworks
Web server extensions
Web servers
Widgets
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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| raraku | #49 | 0 |
| reiraku | #48 | 0 |
| ku spa | #86 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 83% phone
- 17% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.57 / 10 · ranked #150,828 of all domains
150 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
3 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Organisation
- Re.Ra.Ku
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (18.178.13.240)
- DNS: Amazon Route 53
- Email: reraku.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 3072, expires Dec 2026
- Common Crawl link graph: rank 7,887,077, 9 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| reraku.jp | 16 |
| spa.reraku.jp | 15 |
| shop.reraku.jp | 12 |
| www.reraku.jp | 12 |
| job.reraku.jp | 6 |
Full technology history →
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Recent changes
- dropped Chakra UI Apr 2026
- dropped Emotion Apr 2026
- dropped Priority Hints Apr 2026
- dropped Sentry Apr 2026
- detected Radix UI Mar 2026
- detected shadcn/ui Mar 2026
- detected Tailwind CSS Mar 2026
- detected Turbopack Mar 2026
- detected Priority Hints Jan 2026