What powers crevasystems.co.jp?
Last seen Jul 2026 · 18 technologies across 12 categories
CDN
cdnjs
since Apr 2025
Cloudflare
since Apr 2025
Google Hosted Libraries
since Apr 2025
jsDelivr
since Apr 2025
CMS
Databases
MySQL
since Apr 2025
Font scripts
Twitter Emoji (Twemoji)
since Jan 2026
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Page builders
Webflow
since Apr 2025
Personalisation
Programming languages
PHP
since Apr 2025
Web servers
Nginx
since Apr 2025
WordPress plugins
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 Aug 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
3.10 / 10 · ranked #1,426,185 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Full technology history →
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Recent changes
- dropped Animate.css Jan 2026
- dropped Apache HTTP Server Jan 2026
- dropped Google Analytics Jan 2026
- dropped Slick Jan 2026