What powers j-cast.com?
Last seen Jun 2026 · 54 technologies across 21 categories
A/B Testing
Advertising
Analytics
Authentication
CDN
Cookie compliance
CRM
Font scripts
JavaScript frameworks
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Miscellaneous
PaaS
Personalisation
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Segmentation
Tag managers
Web server extensions
Web servers
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| j cast | #4 | 17 |
| j cast | #4 | 17 |
| rakuten tv | #63 | 8 |
| sho hirano | #60 | 3 |
| j cast | #12 | 2 |
| j cast | #12 | 2 |
| timbersports | #80 | 1 |
| azuma chizuru | #44 | 1 |
| project shaz | #76 | 1 |
| j cast | #86 | 1 |
| j cast | #34 | 1 |
| j cast | #24 | 1 |
| j cast | #86 | 1 |
| j cast | #34 | 1 |
| j cast | #24 | 1 |
| yahoo 3.11 | #97 | 0 |
| zipair starlink | #61 | 0 |
| takahashi kaito | #86 | 0 |
| trainiart tokyo | #69 | 0 |
| twilog | #46 | 0 |
| vani0531 | #93 | 0 |
| vani0531 | #83 | 0 |
| vani0531 | #61 | 0 |
| vani0531 | #21 | 0 |
| balmuda plate | #64 | 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
- 78% phone
- 20% desktop
- 2% tablet
Japan
Thailand
Taiwan
Singapore
United States
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.38 / 10 · ranked #24,832 of all domains
1,870 referring domains · OpenPageRank
Search traffic
58 est. monthly organic visits (US)
46 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 175 ms |
| CLS | 0.2 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.6 MB · 1,861 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.j-cast.com | 36 |
| books.j-cast.com | 25 |
| prebooks.j-cast.com | 25 |
| j-cast.com | 22 |
| id.j-cast.com | 18 |
| secure.j-cast.com | 2 |
Full technology history →
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Recent changes
- dropped Conversant Consent Tool Jun 2026
- dropped Microsoft ASP.NET Jun 2026
- dropped Quantcast Measure Jun 2026
- dropped Tapad Jun 2026
- dropped VideoJS Jun 2026
- dropped 33Across Jan 2026
- detected Conversant Consent Tool Dec 2025
- detected DoubleClick Campaign Manager (DCM) Dec 2025
- detected Quantcast Measure Dec 2025
- detected Tapad Dec 2025
- detected VideoJS Dec 2025