Technology history for costar.com
Stack size over time
From 3 detected technologies in Apr 2018 to 74 in Jun 2026 (peak 75).
Currently detected
- IIS since Apr 2018
- Microsoft ASP.NET since Apr 2018
- Bootstrap since Apr 2018
- Facebook since Jun 2018
- jQuery since Jun 2018
- XRegExp since Jun 2018
- Windows Server since Jun 2018
- Quantcast Measure since Jun 2018
- Google Analytics since Jun 2018
- Kendo UI since Jun 2018
- Progress Sitefinity since Jul 2018
- jQuery Migrate since Jan 2019
- F5 BigIP since May 2019
- Google AdSense since Aug 2019
- Node.js since Aug 2019
- Webpack since Aug 2019
- React since Aug 2019
- Google Tag Manager since Aug 2019
- Next.js since Aug 2019
- Google Font API since Aug 2019
- Google Publisher Tag since Feb 2021
- Linkedin Insight Tag since Feb 2021
- Envoy since Mar 2021
- Akamai since Sep 2021
- Unpkg since Jan 2022
- Emotion since Feb 2022
- reCAPTCHA since Apr 2022
- Amazon SES since Aug 2022
- Segment since Aug 2022
- Microsoft 365 since Aug 2022
- Amazon Web Services since Aug 2022
- MailChimp since Aug 2022
- Sift since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Boomerang since Oct 2022
- Akamai mPulse since Oct 2022
- Azure since Nov 2022
- Knockout.js since Nov 2022
- Salesforce Marketing Cloud Account Engagement since Dec 2022
- OneTrust since Jan 2023
- Apple iCloud Mail since Jan 2023
- Adobe Audience Manager since May 2023
- Demandbase since Jul 2023
- Acquia Cloud Platform since Aug 2023
- Drupal Multisite since Aug 2023
- New Relic since Aug 2023
- Nginx since Aug 2023
- Criteo since Aug 2023
- PHP since Aug 2023
- Cloudflare since Aug 2023
- Drupal since Aug 2023
- Font Awesome since Aug 2023
- cdnjs since Aug 2023
- jsDelivr since Aug 2023
- Cloudflare Bot Management since Feb 2024
- GraphQL since Jun 2024
- Apollo since Jun 2024
- TypeScript since Jun 2024
- Lodash since Jul 2024
- Stripe since Oct 2024
- Tailwind CSS since Oct 2024
- Kajabi since Mar 2025
- Ruby since Mar 2025
- Ruby on Rails since Mar 2025
- Popper since Mar 2025
- FancyBox since Mar 2025
- AOS since Mar 2025
- Moment.js since Mar 2025
- Rudderstack since Mar 2025
- Zoho since Apr 2025
- Next.js App Router since Aug 2025
- Priority Hints since Aug 2025
- React Router since Mar 2026
Previously used
- Cart Functionality Apr 2026 to Apr 2026 · 1 mo
- core-js Sep 2021 to May 2025 · 3 yrs
- Facebook Pixel Jul 2021 to May 2025 · 3 yrs
- Taboola Oct 2024 to May 2025 · 7 mo
- Polyfill May 2021 to Jul 2024 · 3 yrs
- web-vitals Mar 2024 to May 2024 · 2 mo
- 6sense Jul 2023 to Feb 2024 · 7 mo
- Mailgun Sep 2023 to Nov 2023 · 2 mo
- Brightcove Aug 2022 to Jul 2023 · 11 mo
- VideoJS Aug 2022 to Jul 2023 · 11 mo
- Express Jun 2022 to Dec 2022 · 6 mo
- Pardot Aug 2022 to Nov 2022 · 3 mo
- Prebid Feb 2022 to Feb 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Akamai Web Application Protector Sep 2021 to Sep 2021 · 1 mo
- sitefinity Jun 2018 to Jun 2018 · 1 mo
Timeline
2026 3 added · 1 dropped
- dropped Cart Functionality Jun 2026 · Ecommerce
- added Google AdSense Jun 2026 · Advertising
- added Cart Functionality Apr 2026 · Ecommerce
- added React Router Mar 2026 · JavaScript frameworks
2025 3 added · 4 dropped
- added Next.js App Router Aug 2025 · JavaScript frameworks
- added Priority Hints Aug 2025 · Performance
- dropped core-js Jul 2025 · JavaScript libraries
- dropped Facebook Pixel Jul 2025 · Analytics
- dropped Taboola Jul 2025 · Advertising
- added Zoho Apr 2025 · CRM
- dropped Cloudflare Bot Management Feb 2025 · Security
2024 7 added · 5 dropped
- dropped Polyfill Nov 2024 · JavaScript libraries
- added Lodash Jul 2024 · JavaScript libraries
- dropped web-vitals Jul 2024 · JavaScript libraries
- added Apollo Jun 2024 · JavaScript libraries
- added GraphQL Jun 2024 · Programming languages
- added TypeScript Jun 2024 · Programming languages
- dropped 6sense Apr 2024 · Marketing automation
- dropped Cloudflare Bot Management Apr 2024 · Security
- added web-vitals Mar 2024 · JavaScript libraries
- added 6sense Feb 2024 · Marketing automation
- added Cloudflare Bot Management Feb 2024 · Security
- dropped Mailgun Jan 2024 · Email
2023 38 added · 5 dropped
- dropped 6sense Oct 2023 · Marketing automation
- dropped Brightcove Sep 2023 · Video players
- added Mailgun Sep 2023 · Email
- dropped VideoJS Sep 2023 · Video players
- added Acquia Cloud Platform Aug 2023 · PaaS
- added cdnjs Aug 2023 · CDN
- added Cloudflare Aug 2023 · CDN
- added Criteo Aug 2023 · Advertising
- added Drupal Aug 2023 · CMS
- added Drupal Multisite Aug 2023 · Hosting
- added Font Awesome Aug 2023 · Font scripts
- added jsDelivr Aug 2023 · CDN
- added New Relic Aug 2023 · RUM
- added Nginx Aug 2023 · Web servers
- added PHP Aug 2023 · Programming languages
- added 6sense Jul 2023 · Marketing automation
- added Demandbase Jul 2023 · Analytics
- added Google Publisher Tag Jun 2023 · Advertising
- added Adobe Audience Manager May 2023 · Segmentation
- added Akamai May 2023 · CDN
- added Akamai mPulse May 2023 · RUM
- added Boomerang May 2023 · JavaScript libraries
- added Brightcove May 2023 · Video players
- added core-js May 2023 · JavaScript libraries
- added Emotion May 2023 · JavaScript frameworks
- added Envoy May 2023 · Reverse proxies
- added Facebook Pixel May 2023 · Analytics
- added Google Font API May 2023 · Font scripts
- dropped Google Publisher Tag May 2023 · Advertising
- added Google Tag Manager May 2023 · Tag managers
- added Linkedin Insight Tag May 2023 · Analytics
- added Next.js May 2023 · JavaScript frameworks
- added Node.js May 2023 · Programming languages
- added Open Graph May 2023 · Miscellaneous
- added Polyfill May 2023 · JavaScript libraries
- added React May 2023 · JavaScript frameworks
- added reCAPTCHA May 2023 · Security
- added Sift May 2023 · Analytics
- added Unpkg May 2023 · CDN
- added VideoJS May 2023 · Video players
- dropped Express Mar 2023 · Web frameworks
- added Apple iCloud Mail Jan 2023 · Webmail
- added OneTrust Jan 2023 · Cookie compliance
2022 29 added · 3 dropped · 1 switched
- switched Pardot Salesforce Marketing Cloud Account Engagement Dec 2022 · Marketing automation
- added Google Font API Nov 2022 · Font scripts
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon SES Aug 2022 · Email
- added Amazon Web Services Aug 2022 · PaaS
- added core-js Aug 2022 · JavaScript libraries
- added Emotion Aug 2022 · JavaScript frameworks
- added Envoy Aug 2022 · Reverse proxies
- added Express Aug 2022 · Web frameworks
- added Facebook Pixel Aug 2022 · Analytics
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added Linkedin Insight Tag Aug 2022 · Analytics
- added MailChimp Aug 2022 · Marketing automation
- added Microsoft 365 Aug 2022 · Webmail
- added Next.js Aug 2022 · Web frameworks
- added Node.js Aug 2022 · Programming languages
- added Pardot Aug 2022 · Marketing automation
- added Polyfill Aug 2022 · JavaScript libraries
- added React Aug 2022 · JavaScript frameworks
- added reCAPTCHA Aug 2022 · Security
- added Segment Aug 2022 · Customer data platform
- added Unpkg Aug 2022 · CDN
- added Webpack Aug 2022 · Miscellaneous
- dropped Google Font API Jun 2022 · Font scripts
- dropped Prebid Apr 2022 · Advertising
- added reCAPTCHA Apr 2022 · Security
- added Emotion Feb 2022 · Development
- added Polyfill Feb 2022 · JavaScript libraries
- added Prebid Feb 2022 · Advertising
- dropped Google AdSense Jan 2022 · Advertising
- added Unpkg Jan 2022 · CDN
2021 10 added · 5 dropped
- dropped Wheelio Dec 2021 · Widgets
- dropped Akamai Nov 2021 · CDN
- dropped Akamai Web Application Protector Nov 2021 · Security
- dropped Polyfill Oct 2021 · JavaScript libraries
- added Akamai Sep 2021 · CDN
- added Akamai Web Application Protector Sep 2021 · Security
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Facebook Pixel Jul 2021 · Analytics
- added Google AdSense Jul 2021 · Advertising
- added Polyfill May 2021 · JavaScript libraries
- added Envoy Mar 2021 · Reverse proxies
- dropped Google AdSense Mar 2021 · Advertising
- added Google Publisher Tag Feb 2021 · Advertising
- added Linkedin Insight Tag Feb 2021 · Analytics
2020 1 added · 1 dropped
- added Google AdSense Oct 2020 · Advertising
- dropped Google AdSense Jul 2020 · Advertising
2019 20 added
- added Google AdSense Aug 2019 · Advertising Networks
- added Google Font API Aug 2019 · Font Scripts
- added Google Tag Manager Aug 2019 · Tag Managers
- added Next.js Aug 2019 · Web Servers
- added Node.js Aug 2019 · Programming Languages
- added React Aug 2019 · JavaScript Frameworks
- added Webpack Aug 2019 · Miscellaneous
- added Bootstrap Mar 2019 · Web Frameworks
- added Facebook Mar 2019 · Widgets
- added Google Analytics Mar 2019 · Analytics
- added IIS Mar 2019 · Web Servers
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added Kendo UI Mar 2019 · Web Frameworks
- added Microsoft ASP.NET Mar 2019 · Web Frameworks
- added Progress Sitefinity Mar 2019 · CMS
- added Quantcast Measure Mar 2019 · Analytics
- added Windows Server Mar 2019 · Operating Systems
- added XRegExp Mar 2019 · JavaScript Libraries
- added jQuery Migrate Jan 2019 · JavaScript Libraries
2018 8 added · 1 switched
- switched sitefinity Progress Sitefinity Jul 2018 · CMS
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added jQuery Jun 2018 · JavaScript Frameworks
- added Kendo UI Jun 2018 · Web Frameworks
- added Quantcast Measure Jun 2018 · Analytics
- added sitefinity Jun 2018 · CMS
- added Windows Server Jun 2018 · Operating Systems
- added XRegExp Jun 2018 · JavaScript Frameworks