What powers calkayak.com?
Last seen Jun 2026 · 31 technologies across 17 categories
Analytics
Cloudflare Browser Insights
since Jul 2025
Google Analytics
since Aug 2018
CDN
Cloudflare
since Feb 2020
CMS
WordPress
since Aug 2018
Databases
MySQL
since Aug 2018
Ecommerce
Font scripts
Google Font API
since Aug 2018
JavaScript Frameworks
JavaScript Libraries
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
Programming Languages
PHP
since Aug 2018
Reverse proxies
Envoy
since Jul 2022
Reverse Proxy
Nginx
since Feb 2019
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Aug 2018
Web Servers
Apache HTTP Server
since Aug 2018
Widgets
FareHarbor
since Oct 2021
OWL Carousel
since Aug 2018
Audience
- 50% phone
- 50% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.47 / 10 · ranked #921,767 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Cloudflare
- Weight: 2.2 MB · 85 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| calkayak.com | 19 |
| www.calkayak.com | 18 |