What powers calendars.com?
Last seen Jun 2026 · 56 technologies across 26 categories
A/B Testing
Contentsquare
since Nov 2024
Accessibility
Advertising
Criteo
since May 2019
ID5
since Jan 2026
Microsoft Advertising
since Feb 2021
theTradeDesk
since Nov 2024
Analytics
Cloudflare Browser Insights
since Apr 2025
Google Analytics
since Jun 2018
Microsoft Clarity
since Feb 2022
Sift
since Sep 2024
CDN
Ecommerce
Cart Functionality
since Aug 2020
Kibo Commerce
since Feb 2021
Font scripts
Font Awesome
since May 2020
Google Font API
since Apr 2018
IaaS
Google Cloud
since Apr 2025
Issue trackers
Sentry
since Apr 2025
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Klaviyo
since Aug 2021
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Apr 2025
Other
Windows Server
since May 2020
PaaS
Amazon Web Services
since Sep 2022
Personalisation
Programming languages
Node.js
since Apr 2025
RUM
Datadog
since Sep 2023
Security
Cloudflare Bot Management
since Oct 2021
HSTS
since Aug 2024
Tag managers
Google Tag Manager
since May 2020
UI frameworks
Web frameworks
Microsoft ASP.NET
since May 2020
Web servers
Kestrel
since May 2020
Webmail
Apple iCloud Mail
since Jan 2023
Widgets
Facebook
since Jun 2018
OWL Carousel
since May 2020
Audience
- 62% phone
- 34% desktop
- 4% tablet
United States
India
Canada
Australia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.73 / 10 · ranked #290,463 of all domains
194 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.1 MB · 217 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.calendars.com | 38 |
| m.calendars.com | 20 |
| track.calendars.com | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped LiveIntent Mar 2026
- dropped Skai Mar 2026
- dropped Swiper Feb 2026
- dropped Unpkg Feb 2026
- detected Attentive Jan 2026
- detected Contentsquare Jan 2026
- detected Facebook Pixel Jan 2026
- detected ID5 Jan 2026
- detected LiveIntent Jan 2026
- detected Microsoft Advertising Jan 2026
- detected Skai Jan 2026
- detected theTradeDesk Jan 2026
- dropped Attentive Dec 2025
- dropped Blotout EdgeTag Dec 2025
- dropped Contentsquare Dec 2025
- dropped Facebook Pixel Dec 2025
- dropped LiveIntent Dec 2025
- dropped Microsoft Advertising Dec 2025
- dropped Skai Dec 2025
- detected Swiper Dec 2025
- dropped theTradeDesk Dec 2025
- detected Unpkg Dec 2025
- detected Attentive Oct 2025
- detected Blotout EdgeTag Oct 2025
- detected Contentsquare Oct 2025
- detected Facebook Pixel Oct 2025
- dropped Google Hosted Libraries Oct 2025
- detected LiveIntent Oct 2025
- detected Skai Oct 2025
- detected theTradeDesk Oct 2025