What powers chklab.com?
Last seen Aug 2026 · 38 technologies across 17 categories
Analytics
Google Analytics
since May 2021
CDN
cdnjs
since Jul 2026
Cloudflare
since Jul 2026
Google Hosted Libraries
since Apr 2022
jQuery CDN
since May 2023
jsDelivr
since Jul 2026
CMS
Databases
MySQL
since May 2021
Font scripts
Typekit
since Jul 2025
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Ubuntu
since Jul 2026
Windows Server
since Aug 2022
Programming languages
Security
reCAPTCHA
since Jul 2025
UI frameworks
Web frameworks
Django
since Jul 2026
Microsoft ASP.NET
since Aug 2022
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Smash Balloon Instagram Feed
since Jul 2025
WP-PageNavi
since Jul 2025
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
3.03 / 10 · ranked #1,533,109 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 22.5 MB · 121 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| pfr-seiyo.chklab.com | 22 |
| www.chklab.com | 18 |
| apps01.chklab.com | 4 |
| apps02.chklab.com | 4 |