What powers kaiyu-kan.net?
Last seen Aug 2026 · 28 technologies across 15 categories
Advertising
Twitter Ads
since Jul 2022
Analytics
Google Analytics
since Feb 2022
Microsoft Clarity
since Feb 2024
CDN
Cloudflare
since Aug 2023
CMS
Databases
MySQL
since Feb 2022
JavaScript libraries
Clipboard.js
since Jul 2022
Swiper
since Sep 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since May 2026
Priority Hints
since Aug 2023
Programming languages
Security
Cloudflare Bot Management
since Aug 2023
reCAPTCHA
since Mar 2023
Tag managers
Google Tag Manager
since Feb 2022
Web servers
Apache HTTP Server
since Feb 2022
Widgets
Twitter
since Jul 2022
WordPress plugins
Autoptimize
since Apr 2023
Contact Form 7
since Mar 2023
EWWW Image Optimizer
since May 2026
MonsterInsights
since Dec 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 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
0.43 / 10 · ranked #31,267,690 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.7 MB · 127 requests
- WordPress theme: lightning (child: lightning-child-sample) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected All in One SEO Jul 2026
- detected Apache HTTP Server Jul 2026
- detected Autoptimize Jul 2026
- detected Clipboard.js Jul 2026
- detected Cloudflare Jul 2026
- detected Cloudflare Bot Management Jul 2026
- detected Contact Form 7 Jul 2026
- detected core-js Jul 2026
- detected EWWW Image Optimizer Jul 2026
- detected Facebook Pixel Jul 2026
- detected Google Analytics Jul 2026
- detected Google Tag Manager Jul 2026
- detected jQuery Jul 2026
- detected jQuery Migrate Jul 2026
- detected LazySizes Jul 2026
- detected Microsoft Clarity Jul 2026
- detected MonsterInsights Jul 2026
- detected MySQL Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Priority Hints Jul 2026
- detected reCAPTCHA Jul 2026
- detected RSS Jul 2026
- detected Swiper Jul 2026
- detected Twitter Jul 2026
- detected Twitter Ads Jul 2026
- detected WordPress Jul 2026
- detected WordPress Block Editor Jul 2026
- dropped AddToAny Jun 2026
- dropped AddToAny Share Buttons Jun 2026
- dropped Google Font API Jun 2026
- dropped Google Maps Jun 2026
- dropped Lightning Jun 2026
- dropped Twitter Emoji (Twemoji) Jun 2026
- detected Autoptimize May 2026
- detected EWWW Image Optimizer May 2026
- detected LazySizes May 2026
- dropped PixelYourSite May 2026
- detected Google Font API Apr 2026
- detected Twitter Emoji (Twemoji) Apr 2026
- dropped Autoptimize Jan 2026
- dropped Perfmatters Jan 2026
- detected Google Maps Dec 2025