What powers kayak.co.jp?
Last seen Jun 2026 · 17 technologies across 11 categories
Advertising
DoubleClick for Publishers (DFP)
since Dec 2025
Google Publisher Tag
since Mar 2025
Microsoft Advertising
since May 2022
Analytics
Google Analytics
since Jun 2018
Authentication
Google Sign-in
since Feb 2021
Caching
Varnish
since Jun 2018
CDN
Cloudflare
since Dec 2024
Cookie compliance
Funding Choices
since Mar 2025
JavaScript frameworks
Miscellaneous
Security
Tag managers
Google Tag Manager
since Mar 2025
Webmail
Google Workspace
since Aug 2022
Audience
- 79% phone
- 16% desktop
- 5% tablet
Japan
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.75 / 10 · ranked #279,932 of all domains
95 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.5 s |
| INP | 250 ms |
| CLS | 0.1 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- CDN: Fastly
- Weight: 7.7 MB · 432 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google AdSense Jun 2026
- detected Google AdSense Mar 2026
- detected LottieFiles Jan 2026
- dropped Moment.js Jan 2026
- detected DoubleClick for Publishers (DFP) Dec 2025
- detected Prism Nov 2025