What powers keiosc.co.jp?
Last seen Aug 2026 · 13 technologies across 9 categories
Analytics
Google Analytics
since Aug 2024
CDN
cdnjs
since Aug 2024
Cloudflare
since Aug 2024
Google Hosted Libraries
since Aug 2024
jQuery CDN
since Oct 2024
Font scripts
Font Awesome
since Oct 2024
JavaScript libraries
Miscellaneous
Open Graph
since Aug 2024
PaaS
Amazon Web Services
since Sep 2024
Security
HSTS
since Jul 2026
Tag managers
Google Tag Manager
since Aug 2024
Webmail
Microsoft 365
since Sep 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 69% desktop
- 31% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.16 / 10 · ranked #1,332,842 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.2 MB · 29 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on DCI-AS-AP DC Communications Inc. (103.240.13.78)
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 589,772, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| space.keiosc.co.jp | 11 |
| www.keiosc.co.jp | 10 |
Full technology history →
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Recent changes
- detected HSTS Jul 2026