What powers 
questmusic.co.jp?
Last seen Sep 2026 · 9 technologies across 6 categories
Analytics
Google Analytics
since Apr 2020
CDN
Google Hosted Libraries
since Aug 2022
Unpkg
since Aug 2022
Hosting
Xserver
since Jan 2026
JavaScript libraries
Programming languages
Web servers
Apache HTTP Server
since Apr 2020
Nginx
since Jan 2026
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
- 75% phone
- 25% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #907,817 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.3 MB · 224 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (85.131.207.73)
- DNS: Xserver
- Email: questmusic.co.jp
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,816,564, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| questmusic.co.jp | 7 |
| www.questmusic.co.jp | 7 |
Full technology history →
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