What powers clark.ed.jp?
Last seen Jun 2026 · 63 technologies across 29 categories
Advertising
Analytics
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Load balancers
Marketing automation
Miscellaneous
Operating systems
PaaS
Page builders
Performance
Programming languages
Security
Segmentation
SEO
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| clarks japan | #56 | 0 |
| clark to japan | #94 | 0 |
| clark to japan | #94 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 59% desktop
- 37% phone
- 4% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.47 / 10 · ranked #163,226 of all domains
166 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
3 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 2.5 MB · 88 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.clark.ed.jp | 34 |
| clark.ed.jp | 28 |
| restart.clark.ed.jp | 27 |
| sp.clark.ed.jp | 19 |
| note.clark.ed.jp | 15 |
| sports.clark.ed.jp | 10 |
| campus.clark.ed.jp | 7 |
| fan.clark.ed.jp | 2 |
Full technology history →
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Recent changes
- detected Bunny May 2026
- detected React May 2026
- detected styled-components May 2026
- detected Yoast SEO Premium May 2026
- detected Microsoft Advertising Dec 2025