What powers vicc.jp?
Last seen Sep 2026 · 23 technologies across 18 categories
Advertising
Twitter Ads
since Mar 2023
Affiliate programs
ValueCommerce
since May 2023
Analytics
Google Analytics
since Jan 2023
Authentication
Facebook Login
since Jan 2023
Caching
Varnish
since Mar 2023
CDN
Amazon CloudFront
since Sep 2026
Cloudflare
since May 2025
CMS
Hatena Blog
since Mar 2023
WordPress
since Jan 2023
Databases
MySQL
since Jan 2023
Font scripts
Google Font API
since Jan 2023
Issue trackers
Sentry
since Mar 2023
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2023
RSS
since Mar 2023
PaaS
Amazon Web Services
since Mar 2023
Programming languages
Security
Cloudflare Bot Management
since May 2025
Tag managers
Google Tag Manager
since Mar 2023
Web servers
Nginx
since Jan 2023
Widgets
Twitter
since Mar 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.53 / 10 · ranked #2,444,485 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (59.106.171.87)
- DNS: value-domain.com
- Email: vicc.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,073,221, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.vicc.jp | 19 |
| vicc.jp | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Maps Dec 2025
- dropped lit-element Dec 2025
- dropped lit-html Dec 2025
- dropped PWA Dec 2025