What powers kotatsu.info?
Last seen Jun 2026 · 57 technologies across 23 categories
Advertising
33Across
since Dec 2022
AppNexus
since Dec 2022
Google AdSense
since Jun 2021
ID5
since Oct 2023
OpenX
since Mar 2023
Prebid
since Dec 2022
PubMatic
since Dec 2022
Rubicon Project
since Dec 2022
Smart Ad Server
since Dec 2022
Tapad
since Jul 2022
TripleLift
since Jan 2023
Utiq
since Oct 2024
Affiliate programs
Analytics
Google Analytics
since Jun 2020
Matomo Analytics
since Mar 2024
Microsoft Clarity
since Apr 2026
Mouse Flow
since Jun 2020
Quantcast Measure
since Dec 2022
Snowplow Analytics
since Jul 2023
TikTok Pixel
since Apr 2023
CDN
cdnjs
since Jun 2025
Cloudflare
since Aug 2023
CMS
Databases
Sendgrid
since Oct 2024
Font scripts
Font Awesome
since Jan 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since Feb 2022
Programming languages
PHP
since Jun 2020
Security
Cloudflare Bot Management
since Aug 2023
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Nov 2023
Tag managers
Google Tag Manager
since Jun 2020
UI frameworks
Bootstrap
since Jun 2020
Video players
VideoJS
since Jun 2025
Web servers
Nginx
since Jun 2020
Widgets
Po.st
since Dec 2022
WordPress plugins
Autoptimize
since Feb 2022
RankMath SEO
since Sep 2025
Audience
- 70% desktop
- 30% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.29 / 10 · ranked #1,137,522 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.4 MB · 2,195 requests
- WordPress theme: snow-monkey · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kotatsu.info | 42 |
| vod.kotatsu.info | 27 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Jun 2026
- dropped Microsoft ASP.NET Apr 2026
- detected Microsoft Clarity Apr 2026
- detected RankMath SEO Sep 2025