What powers 
kotrio.co.jp?
Last seen Sep 2026 · 31 technologies across 18 categories
Advertising
Twitter Ads
since Dec 2024
Analytics
Google Analytics
since Feb 2020
CDN
CMS
WordPress
since Feb 2020
Databases
MySQL
since Feb 2020
Font scripts
Google Font API
since Feb 2020
Typekit
since Apr 2025
Hosting
Xserver
since Aug 2022
JavaScript frameworks
React
since Apr 2025
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Apr 2025
Performance
Priority Hints
since Apr 2025
Programming languages
Tag managers
Google Tag Manager
since Dec 2021
Video players
YouTube
since Apr 2025
Web servers
Nginx
since Oct 2021
Webmail
Microsoft 365
since Aug 2022
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Allowed (was Restricted)
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 92% phone
- 8% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #810,859 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 7.4 MB · 88 requests
- WordPress theme: kotrio · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (183.181.96.69)
- DNS: Xserver
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,747,315, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| hero.kotrio.co.jp | 21 |
| kotrio.co.jp | 20 |
| recruit.kotrio.co.jp | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Bot Management Nov 2025