Technology history for century21.com
Stack size over time
From 3 detected technologies in May 2018 to 71 in Jun 2026.
Currently detected
- comScore since May 2018
- Red Hat since May 2018
- Apache HTTP Server since May 2018
- Google Analytics since Jun 2018
- Java since Jun 2018
- jQuery since Jun 2018
- Typekit since Jun 2018
- Facebook since Jun 2018
- jQuery UI since Jun 2018
- PHP since Jun 2018
- Google Tag Manager since Aug 2018
- Google Font API since Aug 2018
- RequireJS since Aug 2018
- IIS since Aug 2018
- Windows Server since Aug 2018
- Bootstrap since Aug 2018
- DoubleClick for Publishers (DFP) since Aug 2018
- Microsoft ASP.NET since Aug 2018
- Lodash since Aug 2018
- Nginx since Aug 2018
- YouTube since Aug 2018
- New Relic since Dec 2018
- Font Awesome since Jan 2019
- Drupal since Jan 2019
- Webpack since Jun 2019
- Babel since Mar 2020
- Stimulus since Feb 2021
- Microsoft Advertising since Feb 2021
- OpenSSL since Feb 2021
- TrustArc since Mar 2021
- AdRoll since Apr 2021
- Okta since Jun 2021
- AdRoll CMP System since Jul 2021
- Facebook Pixel since Jul 2021
- Google Ads Conversion Tracking since Jul 2021
- core-js since Sep 2021
- Amazon ALB since Sep 2021
- Oracle BlueKai since Sep 2021
- Amazon Web Services since Sep 2021
- Google Optimize since Nov 2021
- Adobe Audience Manager since Apr 2022
- Azure Monitor since Aug 2022
- Underscore.js since Aug 2022
- jQuery CDN since Aug 2022
- PWA since Aug 2022
- Sendgrid since Aug 2022
- Backbone.js since Aug 2022
- Azure since Aug 2022
- Microsoft 365 since Aug 2022
- Microsoft Application Insights since Aug 2022
- Swiper since Sep 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Google Ads since Dec 2022
- Turbo since Mar 2023
- Bootstrap Icons since Mar 2023
- reCAPTCHA since Mar 2023
- Cart Functionality since Apr 2023
- Edgio since Aug 2023
- Salesforce Marketing Cloud Account Engagement since Jul 2024
- React since Aug 2024
- HTTP/3 since Jan 2025
- Microsoft Visual Studio since Aug 2025
- jQuery Migrate since Sep 2025
- Google Maps since Dec 2025
- React Router since Dec 2025
- Amazon CloudFront since Dec 2025
- Amazon S3 since Dec 2025
- lit-element since Dec 2025
- lit-html since Dec 2025
- Priority Hints since Mar 2026
Previously used
- Chakra UI Aug 2024 to Sep 2025 · 1 yr
- MobX Jul 2021 to Sep 2025 · 4 yrs
- Apache Tomcat Aug 2018 to Jan 2025 · 6 yrs
- Hammer.js Aug 2022 to Jan 2025 · 2 yrs
- Java Servlet Jun 2018 to Jan 2025 · 6 yrs
- JBoss Application Server Jun 2018 to Jan 2025 · 6 yrs
- JBoss Web Jun 2018 to Jan 2025 · 6 yrs
- Azure CDN Aug 2023 to Dec 2024 · 1 yr
- Varnish Aug 2023 to Dec 2024 · 1 yr
- Issuu Aug 2022 to May 2024 · 1 yr
- C Feb 2023 to Feb 2023 · 1 mo
- FancyBox Jun 2018 to Feb 2023 · 4 yrs
- Google Publisher Tag Feb 2021 to Feb 2023 · 2 yrs
- Linkedin Insight Tag Feb 2021 to Feb 2023 · 2 yrs
- Mustache Jun 2018 to Feb 2023 · 4 yrs
- Sentry Oct 2019 to Feb 2023 · 3 yrs
- Split Sep 2021 to Feb 2023 · 1 yr
- Swiper Slider Mar 2020 to Aug 2022 · 2 yrs
- Microsoft Clarity Jan 2022 to Jun 2022 · 5 mo
- Google Remarketing Tag Aug 2021 to May 2022 · 9 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Google AdSense Aug 2018 to Nov 2021 · 3 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Adobe Experience Manager Dec 2020 to May 2021 · 5 mo
- AppNexus Jan 2019 to May 2021 · 2 yrs
- AddThis Aug 2018 to May 2019 · 9 mo
- Raphael Aug 2018 to May 2019 · 9 mo
- TrackJs Aug 2018 to Aug 2018 · 1 mo
Timeline
2025 9 added · 10 dropped
- added Amazon CloudFront Dec 2025 · CDN
- added Amazon S3 Dec 2025 · CDN
- added Google Maps Dec 2025 · Maps
- added lit-element Dec 2025 · JavaScript libraries
- added lit-html Dec 2025 · JavaScript libraries
- added React Dec 2025 · JavaScript frameworks
- added React Router Dec 2025 · JavaScript frameworks
- dropped Chakra UI Nov 2025 · UI frameworks
- dropped MobX Nov 2025 · JavaScript libraries
- dropped React Nov 2025 · JavaScript frameworks
- added jQuery Migrate Sep 2025 · JavaScript libraries
- dropped Hammer.js Apr 2025 · JavaScript libraries
- dropped Java Servlet Apr 2025 · Web frameworks
- dropped JBoss Application Server Apr 2025 · Web servers
- dropped JBoss Web Apr 2025 · Web servers
- dropped Apache Tomcat Mar 2025 · Web servers
- dropped Azure CDN Feb 2025 · CDN
- dropped Varnish Feb 2025 · Caching
- added HTTP/3 Jan 2025 · Miscellaneous
2024 6 added · 4 dropped
- added Adobe Audience Manager Oct 2024 · Segmentation
- added Chakra UI Aug 2024 · UI frameworks
- added MobX Aug 2024 · JavaScript libraries
- added React Aug 2024 · JavaScript frameworks
- dropped Adobe Audience Manager Jul 2024 · Segmentation
- dropped Issuu Jul 2024 · Miscellaneous
- added Salesforce Marketing Cloud Account Engagement Jul 2024 · Marketing automation
- dropped MobX Apr 2024 · JavaScript libraries
- added Adobe Audience Manager Mar 2024 · Segmentation
- dropped Adobe Audience Manager Feb 2024 · Segmentation
2023 9 added · 9 dropped
- added Adobe Audience Manager Aug 2023 · Segmentation
- added Azure CDN Aug 2023 · Caching
- added Edgio Aug 2023 · PaaS
- added Varnish Aug 2023 · Caching
- dropped Adobe Audience Manager Jun 2023 · Segmentation
- dropped C Apr 2023 · Programming languages
- added Cart Functionality Apr 2023 · Ecommerce
- dropped FancyBox Apr 2023 · JavaScript libraries
- dropped Google Publisher Tag Apr 2023 · Advertising
- dropped Linkedin Insight Tag Apr 2023 · Analytics
- dropped Mustache Apr 2023 · JavaScript frameworks
- dropped Sentry Apr 2023 · Issue trackers
- dropped Split Apr 2023 · Feature management
- dropped Swiper Apr 2023 · JavaScript libraries
- added Bootstrap Icons Mar 2023 · Font scripts
- added reCAPTCHA Mar 2023 · Security
- added Turbo Mar 2023 · Performance
- added C Feb 2023 · Programming languages
2022 45 added · 5 dropped · 1 switched
- added Google Ads Dec 2022 · Advertising
- added HSTS Sep 2022 · Security
- switched Swiper Slider Open Graph Sep 2022 · Miscellaneous
- added Swiper Sep 2022 · JavaScript libraries
- added Adobe Audience Manager Aug 2022 · Segmentation
- dropped Adobe Experience Manager Aug 2022 · CMS
- added AdRoll Aug 2022 · Advertising
- added AdRoll CMP System Aug 2022 · Cookie compliance
- added Amazon ALB Aug 2022 · Load balancers
- added Amazon Web Services Aug 2022 · PaaS
- added Apache HTTP Server Aug 2022 · Web servers
- added Apache Tomcat Aug 2022 · Web servers
- added Babel Aug 2022 · Miscellaneous
- added core-js Aug 2022 · JavaScript libraries
- added Facebook Pixel Aug 2022 · Analytics
- added FancyBox Aug 2022 · JavaScript libraries
- added Google Ads Conversion Tracking Aug 2022 · Analytics
- added Google Optimize Aug 2022 · A/B Testing
- added Google Publisher Tag Aug 2022 · Advertising
- added Java Aug 2022 · Programming languages
- added Java Servlet Aug 2022 · Web frameworks
- added JBoss Application Server Aug 2022 · Web servers
- added JBoss Web Aug 2022 · Web servers
- added jQuery UI Aug 2022 · JavaScript libraries
- added Linkedin Insight Tag Aug 2022 · Analytics
- added Lodash Aug 2022 · JavaScript libraries
- added Microsoft 365 Aug 2022 · Email
- added Microsoft Advertising Aug 2022 · Advertising
- dropped Microsoft Clarity Aug 2022 · Analytics
- added MobX Aug 2022 · JavaScript libraries
- added Mustache Aug 2022 · JavaScript frameworks
- added OpenSSL Aug 2022 · Web server extensions
- added Oracle BlueKai Aug 2022 · Segmentation
- added PWA Aug 2022 · Miscellaneous
- added Red Hat Aug 2022 · Operating systems
- added RequireJS Aug 2022 · JavaScript frameworks
- added Sendgrid Aug 2022 · Email
- added Sentry Aug 2022 · Issue trackers
- added Split Aug 2022 · Feature management
- added Stimulus Aug 2022 · JavaScript frameworks
- added Swiper Slider Aug 2022 · Miscellaneous
- added TrustArc Aug 2022 · Cookie compliance
- added Typekit Aug 2022 · Font scripts
- added Webpack Aug 2022 · Miscellaneous
- added YouTube Aug 2022 · Video players
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Adobe Audience Manager Apr 2022 · Segmentation
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Google AdSense Jan 2022 · Advertising
- added Microsoft Clarity Jan 2022 · Analytics
2021 30 added · 11 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Google Optimize Nov 2021 · A/B Testing
- added Amazon ALB Sep 2021 · Load balancers
- added Amazon Web Services Sep 2021 · PaaS
- added core-js Sep 2021 · JavaScript libraries
- added Oracle BlueKai Sep 2021 · Segmentation
- added Split Sep 2021 · A/B Testing
- added Wheelio Sep 2021 · Widgets
- added Google Remarketing Tag Aug 2021 · Retargeting
- added AdRoll CMP System Jul 2021 · Cookie compliance
- dropped AppNexus Jul 2021 · Advertising
- added Babel Jul 2021 · Miscellaneous
- added Facebook Pixel Jul 2021 · Analytics
- added FancyBox Jul 2021 · JavaScript libraries
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google AdSense Jul 2021 · Advertising
- added Lodash Jul 2021 · JavaScript libraries
- added MobX Jul 2021 · JavaScript libraries
- added Mustache Jul 2021 · JavaScript frameworks
- added RequireJS Jul 2021 · JavaScript frameworks
- added Sentry Jul 2021 · Issue trackers
- added Swiper Slider Jul 2021 · Miscellaneous
- added Typekit Jul 2021 · Font scripts
- added Webpack Jul 2021 · Miscellaneous
- added Okta Jun 2021 · Miscellaneous
- added AdRoll Apr 2021 · Advertising
- dropped Babel Mar 2021 · Miscellaneous
- dropped FancyBox Mar 2021 · JavaScript libraries
- dropped Lodash Mar 2021 · JavaScript libraries
- dropped Mustache Mar 2021 · JavaScript frameworks
- dropped RequireJS Mar 2021 · JavaScript frameworks
- dropped Sentry Mar 2021 · Issue trackers
- dropped Swiper Slider Mar 2021 · Miscellaneous
- added TrustArc Mar 2021 · Cookie compliance
- dropped Typekit Mar 2021 · Font scripts
- dropped Webpack Mar 2021 · Miscellaneous
- added Google Publisher Tag Feb 2021 · Advertising
- added Linkedin Insight Tag Feb 2021 · Analytics
- added Microsoft Advertising Feb 2021 · Analytics
- added OpenSSL Feb 2021 · Web server extensions
- added Stimulus Feb 2021 · JavaScript frameworks
2020 10 added
- added Typekit Sep 2020 · Font scripts
- added Babel Mar 2020 · Miscellaneous
- added Swiper Slider Mar 2020 · Miscellaneous
- added Apache HTTP Server Jan 2020 · Web Servers
- added FancyBox Jan 2020 · JavaScript Libraries
- added Java Servlet Jan 2020 · Web Frameworks
- added JBoss Application Server Jan 2020 · Web Servers
- added JBoss Web Jan 2020 · Web Servers
- added Mustache Jan 2020 · JavaScript Frameworks
- added Red Hat Jan 2020 · Operating Systems
2019 18 added · 4 dropped
- added Sentry Oct 2019 · Issue Trackers
- dropped AddThis Jul 2019 · Widgets
- dropped Raphael Jul 2019 · JavaScript Graphics
- dropped Apache HTTP Server Jun 2019 · Web Servers
- added Lodash Jun 2019 · JavaScript Libraries
- dropped Red Hat Jun 2019 · Operating Systems
- added Webpack Jun 2019 · Miscellaneous
- added AddThis Mar 2019 · Widgets
- added Apache HTTP Server Mar 2019 · Web Servers
- added Apache Tomcat Mar 2019 · Web Servers
- added AppNexus Mar 2019 · Advertising Networks
- added Drupal Mar 2019 · CMS
- added Font Awesome Mar 2019 · Font Scripts
- added Java Mar 2019 · Programming Languages
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added PHP Mar 2019 · Programming Languages
- added Raphael Mar 2019 · JavaScript Graphics
- added Red Hat Mar 2019 · Operating Systems
- added RequireJS Mar 2019 · JavaScript Frameworks
- added YouTube Mar 2019 · Video Players
- added AppNexus Jan 2019 · Advertising Networks
2018 17 added · 11 dropped · 1 switched
- switched TrackJs New Relic Dec 2018 · Analytics
- dropped Lodash Nov 2018 · JavaScript Libraries
- dropped Google AdSense Oct 2018 · Advertising Networks
- dropped Typekit Oct 2018 · Font Scripts
- dropped Apache HTTP Server Sep 2018 · Web Servers
- dropped FancyBox Sep 2018 · JavaScript Frameworks
- dropped Java Servlet Sep 2018 · Web Frameworks
- dropped JBoss Application Server Sep 2018 · Web Servers
- dropped JBoss Web Sep 2018 · Web Servers
- dropped Mustache Sep 2018 · JavaScript Frameworks
- dropped PHP Sep 2018 · Programming Languages
- dropped Red Hat Sep 2018 · Operating Systems
- added DoubleClick for Publishers (DFP) Aug 2018 · Advertising Networks
- added Google Font API Aug 2018 · Font Scripts
- added Google Tag Manager Aug 2018 · Tag Managers
- added Lodash Aug 2018 · JavaScript Libraries
- added Nginx Aug 2018 · Web Servers
- added Facebook Jun 2018 · Widgets
- added FancyBox Jun 2018 · JavaScript Frameworks
- added Google Analytics Jun 2018 · Analytics
- added Java Jun 2018 · Programming Languages
- added Java Servlet Jun 2018 · Web Frameworks
- added JBoss Application Server Jun 2018 · Web Servers
- added JBoss Web Jun 2018 · Web Servers
- added jQuery Jun 2018 · JavaScript Frameworks
- added jQuery UI Jun 2018 · JavaScript Frameworks
- added Mustache Jun 2018 · JavaScript Frameworks
- added PHP Jun 2018 · Programming Languages
- added Typekit Jun 2018 · Font Scripts