Technology history for 21.com
Stack size over time
From 11 detected technologies in Jan 2019 to 49 in Aug 2026.
Currently detected
- Google Tag Manager since Jan 2019
- Google Analytics since Jan 2019
- Angular since Jan 2019
- Bootstrap since Jan 2019
- Cloudflare since Jan 2019
- jQuery since Jan 2019
- Webpack since Jan 2019
- Zone.js since Jan 2019
- Inspectlet since May 2019
- Amazon CloudFront since Jun 2019
- Amazon Web Services since Jun 2019
- Google Font API since Jul 2020
- IIS since Jul 2020
- jQuery Migrate since Jul 2020
- jQuery UI since Jul 2020
- Knockout.js since Jul 2020
- Lodash since Jul 2020
- Microsoft ASP.NET since Jul 2020
- Windows Server since Jul 2020
- TypeScript since Jul 2021
- React since Jul 2021
- CodeIgniter since Sep 2021
- Amazon ALB since Sep 2021
- PHP since Sep 2021
- Tailwind CSS since Apr 2022
- PWA since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Cloudflare Browser Insights since May 2023
- Freshworks CRM since Aug 2024
- Cloudflare Bot Management since Nov 2024
- Blue since Dec 2024
- Svelte since Apr 2025
- Ruby since Apr 2025
- Envoy since Apr 2025
- HTTP/3 since Apr 2025
- Ruby on Rails since Apr 2025
- LazySizes since Apr 2025
- Radix UI since Jul 2026
- Priority Hints since Jul 2026
- RxJS since Jul 2026
- Sendgrid since Jul 2026
- Sentry since Jul 2026
- Next.js since Jul 2026
- Next.js App Router since Jul 2026
- Turbopack since Jul 2026
- Node.js since Jul 2026
- Optimizely since Jul 2026
- LiveChat since Jul 2026
Previously used
- Amazon S3 Jul 2025 to Jul 2025 · 1 mo
- core-js Sep 2021 to Jun 2025 · 3 yrs
- Hotjar Oct 2022 to May 2025 · 2 yrs
- Moment.js Jan 2019 to Apr 2025 · 6 yrs
- Google Workspace Aug 2022 to Jul 2024 · 1 yr
- Intercom Nov 2022 to Jul 2024 · 1 yr
- Zendesk May 2021 to Jul 2024 · 3 yrs
- Google Optimize Feb 2021 to Oct 2023 · 2 yrs
- Emotion May 2023 to May 2023 · 1 mo
- Adobe Audience Manager Nov 2022 to Nov 2022 · 1 mo
- Adform Aug 2022 to Oct 2022 · 2 mo
- Facebook Pixel Dec 2021 to Oct 2022 · 10 mo
- Facebook Dec 2021 to Mar 2022 · 3 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Nginx Mar 2019 to Nov 2020 · 1 yr
- Underscore.js Jan 2019 to Jun 2020 · 1 yr
- Zendesk Chat Jan 2019 to Jul 2019 · 6 mo
Timeline
2025 1 added · 3 dropped · 1 switched
- dropped core-js Aug 2025 · JavaScript libraries
- switched Amazon S3 Amazon CloudFront Jul 2025 · CDN
- added Amazon S3 Jul 2025 · CDN
- dropped Hotjar Jul 2025 · Analytics
- dropped Moment.js Jun 2025 · JavaScript libraries
2024 5 added · 3 dropped
- added Blue Dec 2024 · Retargeting
- added Cloudflare Bot Management Nov 2024 · Security
- dropped Google Workspace Sep 2024 · Webmail
- dropped Intercom Sep 2024 · Live chat
- dropped Zendesk Sep 2024 · Live chat
- added Freshworks CRM Aug 2024 · CRM
- added Amazon ALB Mar 2024 · Load balancers
- added Amazon Web Services Mar 2024 · PaaS
2023 3 added · 4 dropped · 1 switched
- dropped Google Optimize Dec 2023 · A/B Testing
- dropped HSTS Jul 2023 · Security
- dropped React Jul 2023 · JavaScript frameworks
- added Google Optimize Jun 2023 · A/B Testing
- added Cloudflare Browser Insights May 2023 · Analytics
- added Emotion May 2023 · JavaScript frameworks
- switched Emotion React May 2023 · JavaScript frameworks
- dropped Adobe Audience Manager Jan 2023 · Segmentation
2022 6 added · 7 dropped
- dropped Adform Dec 2022 · Advertising
- dropped Amazon ALB Dec 2022 · Load balancers
- dropped Amazon Web Services Dec 2022 · PaaS
- dropped Facebook Pixel Dec 2022 · Analytics
- dropped React Dec 2022 · JavaScript frameworks
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Adform Aug 2022 · Advertising
- added Google Workspace Aug 2022 · Webmail
- added PWA Aug 2022 · Miscellaneous
- dropped Tailwind CSS Jun 2022 · UI frameworks
- dropped Facebook May 2022 · Widgets
- added Tailwind CSS Apr 2022 · UI frameworks
2021 11 added · 4 dropped · 1 switched
- switched Wheelio Facebook Dec 2021 · Widgets
- added Facebook Pixel Dec 2021 · Analytics
- added Amazon ALB Sep 2021 · Load balancers
- added Amazon Web Services Sep 2021 · PaaS
- added CodeIgniter Sep 2021 · Web frameworks
- added core-js Sep 2021 · JavaScript libraries
- added PHP Sep 2021 · Programming languages
- added Wheelio Sep 2021 · Widgets
- dropped Google Optimize Aug 2021 · A/B Testing
- added Moment.js Jul 2021 · JavaScript libraries
- added React Jul 2021 · JavaScript libraries
- added TypeScript Jul 2021 · Programming languages
- added Zendesk May 2021 · CMS
- dropped Amazon CloudFront Mar 2021 · CDN
- dropped Amazon Web Services Mar 2021 · PaaS
- dropped Nginx Mar 2021 · Reverse proxies
2020 1 added · 2 dropped
- dropped Moment.js Sep 2020 · JavaScript libraries
- dropped Underscore.js Aug 2020 · JavaScript libraries
- added Moment.js Jan 2020 · JavaScript Libraries
2019 14 added · 3 dropped
- dropped Moment.js Oct 2019 · JavaScript Libraries
- dropped Zendesk Chat Sep 2019 · Live Chat
- added Amazon CloudFront Jun 2019 · CDN
- added Amazon Web Services Jun 2019 · PaaS
- added Inspectlet May 2019 · Analytics
- dropped Cloudflare Apr 2019 · CDN
- added Angular Mar 2019 · JavaScript Frameworks
- added Bootstrap Mar 2019 · Web Frameworks
- added Google Analytics Mar 2019 · Analytics
- added Google Tag Manager Mar 2019 · Tag Managers
- added jQuery Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added Nginx Mar 2019 · Web Servers
- added Underscore.js Mar 2019 · JavaScript Libraries
- added Webpack Mar 2019 · Miscellaneous
- added Zendesk Chat Mar 2019 · Live Chat
- added Zone.js Mar 2019 · JavaScript Frameworks