Technology history for calendars.com
Stack size over time
From 6 detected technologies in Apr 2018 to 56 in Jun 2026 (peak 60).
Currently detected
- Cloudflare since Apr 2018
- jQuery since Apr 2018
- Google Font API since Apr 2018
- Google Analytics since Jun 2018
- Facebook since Jun 2018
- Slick since Jun 2018
- Criteo since May 2019
- Font Awesome since May 2020
- Bootstrap since May 2020
- Backbone.js since May 2020
- Modernizr since May 2020
- Kestrel since May 2020
- OWL Carousel since May 2020
- RequireJS since May 2020
- Windows Server since May 2020
- Google Tag Manager since May 2020
- IIS since May 2020
- Microsoft ASP.NET since May 2020
- Underscore.js since May 2020
- AccessiBe since Aug 2020
- Cart Functionality since Aug 2020
- Microsoft Advertising since Feb 2021
- Kibo Commerce since Feb 2021
- Kibo Personalization since Feb 2021
- Facebook Pixel since Jul 2021
- Lodash since Jul 2021
- Klaviyo since Aug 2021
- core-js since Sep 2021
- Cloudflare Bot Management since Oct 2021
- LazySizes since Feb 2022
- Microsoft Clarity since Feb 2022
- Amazon S3 since Sep 2022
- Amazon Web Services since Sep 2022
- Open Graph since Sep 2022
- Apple iCloud Mail since Jan 2023
- Datadog since Sep 2023
- Monetate since Oct 2023
- HSTS since Aug 2024
- Attentive since Aug 2024
- Sift since Sep 2024
- Contentsquare since Nov 2024
- theTradeDesk since Nov 2024
- Google Cloud CDN since Apr 2025
- React since Apr 2025
- Sentry since Apr 2025
- Cloudflare Browser Insights since Apr 2025
- Google Cloud since Apr 2025
- JSS since Apr 2025
- Next.js since Apr 2025
- Node.js since Apr 2025
- styled-components since Apr 2025
- Webpack since Apr 2025
- EqualWeb since May 2025
- Nagich since May 2025
- Three.js since May 2025
- ID5 since Jan 2026
Previously used
- LiveIntent Aug 2022 to Jan 2026 · 3 yrs
- Skai Jul 2022 to Jan 2026 · 3 yrs
- Swiper Dec 2024 to Dec 2025 · 1 yr
- Unpkg Dec 2024 to Dec 2025 · 1 yr
- Blotout EdgeTag Oct 2025 to Oct 2025 · 1 mo
- Google Hosted Libraries Feb 2022 to Aug 2025 · 3 yrs
- Adobe Audience Manager Aug 2022 to Apr 2025 · 2 yrs
- AWIN Feb 2021 to Dec 2024 · 3 yrs
- cdnjs Dec 2024 to Dec 2024 · 1 mo
- Preact Nov 2023 to Dec 2024 · 1 yr
- reCAPTCHA Sep 2021 to Nov 2024 · 3 yrs
- TikTok Pixel Nov 2024 to Nov 2024 · 1 mo
- Akamai Sep 2021 to Jul 2024 · 2 yrs
- Akamai Bot Manager Sep 2021 to Jul 2024 · 2 yrs
- Genesys Cloud Aug 2022 to Aug 2023 · 1 yr
- jsDelivr Aug 2022 to Aug 2023 · 1 yr
- Pinterest Conversion Tag Dec 2021 to Aug 2023 · 1 yr
- Amazon ALB Apr 2023 to Jul 2023 · 3 mo
- Day.js Jan 2021 to Nov 2022 · 1 yr
- Google Ads Conversion Tracking Aug 2021 to Oct 2022 · 1 yr
- Bronto Feb 2021 to Jul 2022 · 1 yr
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Login with Amazon Jul 2021 to Jul 2021 · 1 mo
- Apache Tomcat Aug 2018 to May 2020 · 1 yr
- Google AdSense Jun 2018 to May 2020 · 1 yr
- Google Analytics Enhanced eCommerce Jun 2018 to May 2020 · 1 yr
- Google PageSpeed Aug 2018 to May 2020 · 1 yr
- Google Plus Jun 2018 to May 2020 · 1 yr
- Java Aug 2018 to May 2020 · 1 yr
- Oracle Commerce Apr 2018 to May 2020 · 2 yrs
- Tealium Mar 2019 to May 2020 · 1 yr
- AppNexus Jun 2019 to Sep 2019 · 3 mo
- Bold Chat Jun 2018 to Sep 2019 · 1 yr
- AddThis Apr 2018 to Nov 2018 · 7 mo
- SWFObject Apr 2018 to May 2018 · 1 mo
Timeline
2026 8 added · 4 dropped
- dropped LiveIntent Mar 2026 · Advertising
- dropped Skai Mar 2026 · Analytics
- dropped Swiper Feb 2026 · JavaScript libraries
- dropped Unpkg Feb 2026 · CDN
- added Attentive Jan 2026 · Personalisation
- added Contentsquare Jan 2026 · Analytics
- added Facebook Pixel Jan 2026 · Analytics
- added ID5 Jan 2026 · Advertising
- added LiveIntent Jan 2026 · Advertising
- added Microsoft Advertising Jan 2026 · Advertising
- added Skai Jan 2026 · Analytics
- added theTradeDesk Jan 2026 · Advertising
2025 13 added · 23 dropped · 1 switched
- dropped Attentive Dec 2025 · Personalisation
- dropped Blotout EdgeTag Dec 2025 · Marketing automation
- dropped Contentsquare Dec 2025 · Analytics
- dropped Facebook Pixel Dec 2025 · Analytics
- dropped LiveIntent Dec 2025 · Advertising
- dropped Microsoft Advertising Dec 2025 · Advertising
- dropped Skai Dec 2025 · Analytics
- added Swiper Dec 2025 · JavaScript libraries
- dropped theTradeDesk Dec 2025 · Advertising
- switched Google Hosted Libraries Unpkg Dec 2025 · CDN
- added Attentive Oct 2025 · Personalisation
- added Blotout EdgeTag Oct 2025 · Marketing automation
- added Contentsquare Oct 2025 · Analytics
- added Facebook Pixel Oct 2025 · Analytics
- added LiveIntent Oct 2025 · Advertising
- added Skai Oct 2025 · Analytics
- added theTradeDesk Oct 2025 · Advertising
- dropped Swiper Jul 2025 · JavaScript libraries
- dropped Unpkg Jul 2025 · CDN
- dropped Adobe Audience Manager Jun 2025 · Segmentation
- dropped Attentive Jun 2025 · Personalisation
- dropped Contentsquare Jun 2025 · Analytics
- dropped Facebook Pixel Jun 2025 · Analytics
- dropped Skai Jun 2025 · Analytics
- added EqualWeb May 2025 · Accessibility
- added Nagich May 2025 · Accessibility
- added Swiper May 2025 · JavaScript libraries
- added Three.js May 2025 · JavaScript graphics
- added Unpkg May 2025 · CDN
- dropped LiveIntent Apr 2025 · Advertising
- dropped AWIN Feb 2025 · Affiliate programs
- dropped cdnjs Feb 2025 · CDN
- dropped Preact Feb 2025 · JavaScript libraries
- dropped Swiper Feb 2025 · JavaScript libraries
- dropped theTradeDesk Feb 2025 · Advertising
- dropped Unpkg Feb 2025 · CDN
- dropped reCAPTCHA Jan 2025 · Security
2024 14 added · 6 dropped · 1 switched
- added cdnjs Dec 2024 · CDN
- added Swiper Dec 2024 · JavaScript libraries
- added Unpkg Dec 2024 · CDN
- switched TikTok Pixel Contentsquare Nov 2024 · Analytics
- added theTradeDesk Nov 2024 · Advertising
- added TikTok Pixel Nov 2024 · Analytics
- dropped Akamai Sep 2024 · CDN
- dropped Akamai Bot Manager Sep 2024 · Security
- added Amazon S3 Sep 2024 · CDN
- added Amazon Web Services Sep 2024 · PaaS
- added LiveIntent Sep 2024 · Advertising
- added Sift Sep 2024 · Analytics
- added Attentive Aug 2024 · Personalisation
- added Cloudflare Aug 2024 · CDN
- added Cloudflare Bot Management Aug 2024 · Security
- added HSTS Aug 2024 · Security
- added Preact Jul 2024 · JavaScript libraries
- dropped Preact Jun 2024 · JavaScript libraries
- dropped Amazon S3 Jan 2024 · CDN
- dropped Amazon Web Services Jan 2024 · PaaS
- dropped LiveIntent Jan 2024 · Advertising
2023 6 added · 6 dropped · 1 switched
- added Preact Nov 2023 · JavaScript libraries
- added reCAPTCHA Nov 2023 · Security
- dropped Genesys Cloud Oct 2023 · Marketing automation
- dropped jsDelivr Oct 2023 · CDN
- added LiveIntent Oct 2023 · Advertising
- added Monetate Oct 2023 · A/B Testing
- dropped Amazon ALB Sep 2023 · Load balancers
- switched Pinterest Conversion Tag Datadog Sep 2023 · Analytics
- dropped reCAPTCHA May 2023 · Security
- added Amazon ALB Apr 2023 · Load balancers
- added Apple iCloud Mail Jan 2023 · Webmail
- dropped Day.js Jan 2023 · JavaScript libraries
- dropped LiveIntent Jan 2023 · Advertising
2022 12 added · 5 dropped
- dropped Google Ads Conversion Tracking Dec 2022 · Analytics
- dropped Microsoft Clarity Dec 2022 · Analytics
- dropped Cloudflare Nov 2022 · CDN
- dropped Cloudflare Bot Management Nov 2022 · Security
- dropped Bronto Oct 2022 · Marketing automation
- added Amazon S3 Sep 2022 · CDN
- added Amazon Web Services Sep 2022 · PaaS
- added Open Graph Sep 2022 · Miscellaneous
- added Adobe Audience Manager Aug 2022 · Segmentation
- added Genesys Cloud Aug 2022 · Email
- added jsDelivr Aug 2022 · CDN
- added LiveIntent Aug 2022 · Advertising
- added Skai Jul 2022 · Analytics
- added Lodash Apr 2022 · JavaScript libraries
- added Google Hosted Libraries Feb 2022 · CDN
- added LazySizes Feb 2022 · JavaScript libraries
- added Microsoft Clarity Feb 2022 · Analytics
2021 20 added · 4 dropped
- added Pinterest Conversion Tag Dec 2021 · Analytics
- dropped Wheelio Nov 2021 · Widgets
- added Cloudflare Oct 2021 · CDN
- added Cloudflare Bot Management Oct 2021 · Security
- dropped Lodash Oct 2021 · JavaScript libraries
- added Akamai Sep 2021 · CDN
- added Akamai Bot Manager Sep 2021 · Security
- added core-js Sep 2021 · JavaScript libraries
- dropped Login with Amazon Sep 2021 · Social logins
- added reCAPTCHA Sep 2021 · Security
- added Wheelio Sep 2021 · Widgets
- added Google Ads Conversion Tracking Aug 2021 · Analytics
- added Klaviyo Aug 2021 · Marketing automation
- added Day.js Jul 2021 · JavaScript libraries
- added Facebook Pixel Jul 2021 · Analytics
- added Lodash Jul 2021 · JavaScript libraries
- added Login with Amazon Jul 2021 · Social logins
- dropped Day.js Mar 2021 · JavaScript libraries
- added AWIN Feb 2021 · Affiliate programs
- added Bronto Feb 2021 · Marketing automation
- added Kibo Commerce Feb 2021 ·
- added Kibo Personalization Feb 2021 · A/B Testing
- added Microsoft Advertising Feb 2021 ·
- added Day.js Jan 2021 · JavaScript libraries
2020 13 added · 7 dropped · 2 switched
- added AccessiBe Aug 2020 · Accessibility
- switched Oracle Commerce Cart Functionality Aug 2020 · Ecommerce
- dropped Apache Tomcat Jul 2020 · Web servers
- dropped Cloudflare Jul 2020 · CDN
- dropped Google AdSense Jul 2020 · Advertising
- dropped Google Analytics Enhanced eCommerce Jul 2020 · Analytics
- dropped Google PageSpeed Jul 2020 · Caching
- dropped Java Jul 2020 · Programming languages
- dropped Tealium Jul 2020 · Advertising
- added Backbone.js May 2020 · JavaScript frameworks
- added Bootstrap May 2020 · UI frameworks
- added Font Awesome May 2020 · Font scripts
- added Google Font API May 2020 · Font scripts
- added Google Tag Manager May 2020 · Tag managers
- added IIS May 2020 · Web servers
- added Kestrel May 2020 · Web servers
- added Microsoft ASP.NET May 2020 · Web frameworks
- added Modernizr May 2020 · JavaScript libraries
- switched Google Plus OWL Carousel May 2020 · Widgets
- added RequireJS May 2020 · JavaScript frameworks
- added Underscore.js May 2020 · JavaScript libraries
- added Windows Server May 2020 · Operating systems
2019 16 added · 3 dropped
- dropped AppNexus Nov 2019 · Advertising Networks
- dropped Bold Chat Nov 2019 · Live Chat
- added AppNexus Jun 2019 · Advertising Networks
- added Criteo May 2019 · Advertising Networks
- added Apache Tomcat Mar 2019 · Web Servers
- added Bold Chat Mar 2019 · Live Chat
- added Cloudflare Mar 2019 · CDN
- added Facebook Mar 2019 · Widgets
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Google Analytics Enhanced eCommerce Mar 2019 · Analytics
- added Google PageSpeed Mar 2019 · Cache Tools
- added Google Plus Mar 2019 · Widgets
- added Java Mar 2019 · Programming Languages
- added jQuery Mar 2019 · JavaScript Libraries
- added Oracle Commerce Mar 2019 · Ecommerce
- added Slick Mar 2019 · JavaScript Libraries
- added Tealium Mar 2019 · Advertising Networks
- dropped AddThis Jan 2019 · Widgets
2018 7 added · 2 dropped
- dropped Google Font API Jul 2018 · Font Scripts
- dropped SWFObject Jul 2018 · Miscellaneous
- added Bold Chat Jun 2018 · Live Chat
- added Facebook Jun 2018 · Widgets
- added Google AdSense Jun 2018 · Advertising Networks
- added Google Analytics Jun 2018 · Analytics
- added Google Analytics Enhanced eCommerce Jun 2018 · Analytics
- added Google Plus Jun 2018 · Widgets
- added Slick Jun 2018 · JavaScript Frameworks