What powers spring-c.com?
Last seen Oct 2026 · 23 technologies across 15 categories
Advertising
Twitter Ads
since Dec 2022
CDN
cdnjs
since Aug 2026
Cloudflare
since Aug 2026
Google Hosted Libraries
since Dec 2022
jsDelivr
since Aug 2026
CMS
WordPress
since Aug 2026
Databases
MySQL
since Aug 2026
Editors
DreamWeaver
since Aug 2026
Font scripts
Google Font API
since Aug 2026
Twitter Emoji (Twemoji)
since Aug 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
RSS
since Aug 2026
Programming languages
PHP
since Aug 2026
Security
Cloudflare Bot Management
since Aug 2026
UI frameworks
Web servers
Apache HTTP Server
since Dec 2022
Widgets
SnapWidget
since Dec 2022
Twitter
since Dec 2022
WordPress plugins
WP-PageNavi
since Aug 2026
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.14 / 10 · ranked #10,600,492 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 8.2 MB · 56 requests
- WordPress theme: spring-c · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on NEXT-WEB NeXtWEB Corporation (202.9.210.14)
- DNS: next-web.ad.jp
- Email: next-web.ne.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 12,074,038, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| spring-c.com | 22 |
| www.spring-c.com | 7 |