What powers 
qstar.jp?
Last seen Aug 2026 · 20 technologies across 13 categories
Analytics
Google Analytics
since Jan 2023
Caching
WordPress Super Cache
since Aug 2024
CDN
cdnjs
since Dec 2023
Cloudflare
since Dec 2023
Google Hosted Libraries
since Mar 2024
jsDelivr
since Mar 2024
CMS
Databases
MySQL
since Sep 2022
Font scripts
Twitter Emoji (Twemoji)
since Sep 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Jan 2023
Performance
Priority Hints
since Mar 2024
Programming languages
PHP
since Sep 2022
Web servers
Nginx
since Sep 2022
Webmail
Microsoft 365
since Dec 2023
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #460,698 of all domains
47 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Cloudflare (198.202.211.1)
- DNS: gmoserver.jp
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 8,248,459
- Verified with: Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected cdnjs Jul 2026
- detected Cloudflare Jul 2026
- detected Contact Form 7 Jul 2026
- detected Font Awesome Jul 2026
- detected Google Analytics Jul 2026
- detected Google Hosted Libraries Jul 2026
- detected jQuery Jul 2026
- detected jsDelivr Jul 2026
- detected Microsoft 365 Jul 2026
- detected MySQL Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Priority Hints Jul 2026
- detected RSS Jul 2026
- detected Slick Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected WordPress Jul 2026
- detected WordPress Super Cache Jul 2026
- detected Yoast SEO Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025