What powers 
truestar.co.jp?
Last seen Sep 2026 · 51 technologies across 19 categories
Analytics
CDN
CMS
Databases
Font scripts
IaaS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 67% desktop
- 33% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.71 / 10 · ranked #758,123 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 7.6 MB · 100 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 株式会社truestar
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Xserver (183.181.99.4)
- DNS: d-53.info
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: CloudSecure Corporation, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,084,842, 7 hosts
- Verified with: Apple Business, Atlassian, Box, Canva, Google, Microsoft 365, Notion
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.truestar.co.jp | 31 |
| truestar.co.jp | 24 |
| recruit.truestar.co.jp | 16 |
| www.truestar.co.jp | 13 |
| podb.truestar.co.jp | 11 |
Full technology history →
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Recent changes
- detected Priority Hints Apr 2026
- dropped Priority Hints Feb 2026