Technology history for 21stcc.com
Stack size over time
From 3 detected technologies in Jan 2019 to 24 in Jun 2026 (peak 26).
Currently detected
- Apache HTTP Server since Jan 2019
- Ecwid since Feb 2021
- core-js since Sep 2021
- Cart Functionality since Feb 2022
- PHP since Mar 2022
- Elementor since Mar 2022
- MySQL since Mar 2022
- Astra since Mar 2022
- WordPress since Mar 2022
- Site Kit since Apr 2022
- Google Analytics since May 2022
- jQuery since May 2022
- jQuery Migrate since May 2022
- jQuery UI since May 2022
- Twitter Emoji (Twemoji) since May 2022
- Open Graph since Sep 2022
- RSS since Dec 2022
- Priority Hints since Aug 2023
- All in One SEO since Jul 2024
- Vue.js since Aug 2025
- Microsoft ASP.NET since Aug 2025
- Amazon ALB since Aug 2025
- Amazon S3 since Aug 2025
- Amazon Web Services since Aug 2025
Previously used
- Isotope Sep 2022 to Sep 2025 · 3 yrs
- Slick Sep 2022 to Sep 2025 · 3 yrs
- Nginx Jul 2025 to Jul 2025 · 1 mo
- OpenResty Jul 2025 to Jul 2025 · 1 mo
- Google Font API May 2022 to Mar 2025 · 2 yrs
- Imunify360 Feb 2025 to Feb 2025 · 1 mo
- Underscore.js May 2022 to Aug 2024 · 2 yrs
- WPForms May 2022 to Aug 2024 · 2 yrs
- Microsoft 365 Sep 2023 to Mar 2024 · 6 mo
- Swiper Sep 2022 to Jul 2023 · 10 mo
- Sendgrid Aug 2022 to Oct 2022 · 2 mo
- Google Tag Manager May 2022 to Sep 2022 · 4 mo
- Swiper Slider May 2022 to Aug 2022 · 3 mo
- Google Remarketing Tag May 2022 to May 2022 · 1 mo
- LazySizes Feb 2022 to Apr 2022 · 2 mo
- NitroPack Mar 2022 to Apr 2022 · 1 mo
- web-vitals Mar 2022 to Apr 2022 · 1 mo
- DreamWeaver Jan 2019 to Feb 2022 · 3 yrs
- Facebook Jul 2021 to Feb 2022 · 7 mo
- Facebook Pixel Jul 2021 to Feb 2022 · 7 mo
- Google Web Toolkit Jul 2021 to Feb 2022 · 7 mo
- Java Jul 2021 to Feb 2022 · 7 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- reCAPTCHA Jan 2019 to Jan 2021 · 2 yrs
Timeline
2025 9 added · 4 dropped · 2 switched
- added Twitter Emoji (Twemoji) Dec 2025 · Font scripts
- dropped Isotope Nov 2025 · JavaScript libraries
- dropped Slick Nov 2025 · JavaScript libraries
- added Amazon ALB Aug 2025 · Load balancers
- added Amazon S3 Aug 2025 · CDN
- added Amazon Web Services Aug 2025 · PaaS
- added Cart Functionality Aug 2025 · Ecommerce
- added Ecwid Aug 2025 · Ecommerce
- added Microsoft ASP.NET Aug 2025 · Web frameworks
- added Vue.js Aug 2025 · JavaScript frameworks
- switched OpenResty Nginx Jul 2025 · Web servers
- switched Nginx OpenResty Jul 2025 · Web servers
- dropped Google Font API May 2025 · Font scripts
- dropped Imunify360 Apr 2025 · Security
- added Imunify360 Feb 2025 · Security
2024 1 added · 3 dropped · 1 switched
- dropped Underscore.js Oct 2024 · JavaScript libraries
- switched WPForms All in One SEO Jul 2024 · WordPress plugins
- dropped Twitter Emoji (Twemoji) Jul 2024 · Font scripts
- dropped Microsoft 365 May 2024 · Webmail
- added Twitter Emoji (Twemoji) May 2024 · Font scripts
2023 22 added · 2 dropped
- added Microsoft 365 Sep 2023 · Webmail
- dropped Swiper Sep 2023 · JavaScript libraries
- added Priority Hints Aug 2023 · Performance
- added Apache HTTP Server May 2023 · Web servers
- added Astra May 2023 · WordPress themes
- added core-js May 2023 · JavaScript libraries
- added Elementor May 2023 · WordPress plugins
- added Google Analytics May 2023 · Analytics
- added Google Font API May 2023 · Font scripts
- added Isotope May 2023 · JavaScript libraries
- added jQuery May 2023 · JavaScript libraries
- added jQuery Migrate May 2023 · JavaScript libraries
- added jQuery UI May 2023 · JavaScript libraries
- added MySQL May 2023 · Databases
- added Open Graph May 2023 · Miscellaneous
- added PHP May 2023 · Programming languages
- added RSS May 2023 · Miscellaneous
- added Site Kit May 2023 · WordPress plugins
- added Slick May 2023 · JavaScript libraries
- added Swiper May 2023 · JavaScript libraries
- dropped Twitter Emoji (Twemoji) May 2023 · Font scripts
- added Underscore.js May 2023 · JavaScript libraries
- added WordPress May 2023 · CMS
- added WPForms May 2023 · WordPress plugins
2022 44 added · 14 dropped · 1 switched
- dropped Google Tag Manager Dec 2022 · Tag managers
- added RSS Dec 2022 · Miscellaneous
- dropped Sendgrid Dec 2022 · Email
- dropped Swiper Slider Nov 2022 · Miscellaneous
- added Isotope Sep 2022 · JavaScript libraries
- added Open Graph Sep 2022 · Miscellaneous
- added Slick Sep 2022 · JavaScript libraries
- added Swiper Sep 2022 · JavaScript libraries
- added Apache HTTP Server Aug 2022 · Web servers
- added Astra Aug 2022 · WordPress themes
- added core-js Aug 2022 · JavaScript libraries
- added Elementor Aug 2022 · Page builders
- added Google Analytics Aug 2022 · Analytics
- added Google Font API Aug 2022 · Font scripts
- added Google Tag Manager Aug 2022 · Tag managers
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added jQuery UI Aug 2022 · JavaScript libraries
- added MySQL Aug 2022 · Databases
- added PHP Aug 2022 · Programming languages
- added Sendgrid Aug 2022 · Email
- added Site Kit Aug 2022 · WordPress plugins
- added Swiper Slider Aug 2022 · Miscellaneous
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added Underscore.js Aug 2022 · JavaScript libraries
- added WordPress Aug 2022 · CMS
- added WPForms Aug 2022 · WordPress plugins
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped LazySizes Jun 2022 · JavaScript libraries
- dropped NitroPack Jun 2022 · Caching
- dropped web-vitals Jun 2022 · JavaScript libraries
- added Google Analytics May 2022 · Analytics
- added Google Font API May 2022 · Font scripts
- added Google Remarketing Tag May 2022 · Retargeting
- added Google Tag Manager May 2022 · Tag managers
- added jQuery May 2022 · JavaScript libraries
- added jQuery Migrate May 2022 · JavaScript libraries
- added jQuery UI May 2022 · JavaScript libraries
- added Swiper Slider May 2022 · Miscellaneous
- added Twitter Emoji (Twemoji) May 2022 · Font scripts
- added Underscore.js May 2022 · JavaScript libraries
- added WPForms May 2022 · WordPress plugins
- dropped Cart Functionality Apr 2022 · Ecommerce
- dropped core-js Apr 2022 · JavaScript libraries
- dropped DreamWeaver Apr 2022 · Editors
- dropped Ecwid Apr 2022 · Ecommerce
- dropped Facebook Apr 2022 · Widgets
- dropped Facebook Pixel Apr 2022 · Analytics
- dropped Google Web Toolkit Apr 2022 · Web frameworks
- added Site Kit Apr 2022 · Analytics
- added Astra Mar 2022 · WordPress themes
- added Elementor Mar 2022 · Page builders
- added MySQL Mar 2022 · Databases
- added NitroPack Mar 2022 · Caching
- switched Java PHP Mar 2022 · Programming languages
- added web-vitals Mar 2022 · JavaScript libraries
- added WordPress Mar 2022 · CMS
- added Cart Functionality Feb 2022 · Ecommerce
- added LazySizes Feb 2022 · JavaScript libraries
2021 8 added · 3 dropped
- dropped Wheelio Dec 2021 · Widgets
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added DreamWeaver Jul 2021 · Editors
- added Facebook Jul 2021 · Widgets
- added Facebook Pixel Jul 2021 · Analytics
- added Google Web Toolkit Jul 2021 · Web frameworks
- added Java Jul 2021 · Programming languages
- dropped DreamWeaver Mar 2021 · Editors
- dropped reCAPTCHA Mar 2021 · Security
- added Ecwid Feb 2021 · Ecommerce
2019 3 added
- added Apache HTTP Server Mar 2019 · Web Servers
- added DreamWeaver Mar 2019 · Editors
- added reCAPTCHA Mar 2019 · Captchas