Technology history for 21d.co.uk
Stack size over time
From 21 detected technologies in Sep 2022 to 45 in Jun 2026 (peak 47).
Currently detected
- Google Font API since Sep 2022
- Google Tag Manager since Sep 2022
- SiteGround since Sep 2022
- WordPress since Sep 2022
- core-js since Sep 2022
- Elementor since Sep 2022
- Google Analytics since Sep 2022
- Microsoft 365 since Sep 2022
- MySQL since Sep 2022
- Nginx since Sep 2022
- Open Graph since Sep 2022
- PHP since Sep 2022
- Bootstrap since Sep 2022
- jQuery since Sep 2022
- jQuery Migrate since Sep 2022
- jQuery UI since Sep 2022
- Hotjar since Apr 2023
- HSTS since Apr 2023
- RSS since Apr 2023
- Trustpilot since Apr 2023
- Yoast SEO since Apr 2023
- Vue.js since May 2023
- Express since May 2023
- Facebook Pixel since May 2023
- Node.js since May 2023
- Nuxt.js since May 2023
- OpenResty since May 2023
- Priority Hints since Aug 2023
- HTTP/3 since Sep 2023
- Cloudflare since Sep 2023
- Elementor Header & Footer Builder since Mar 2024
- Vimeo since Jun 2024
- Cloudflare Bot Management since Jun 2024
- Twenty Twenty-One since Aug 2024
- Yoast SEO Premium since Aug 2024
- Matomo Analytics since Aug 2024
- HubSpot since Aug 2024
- Preact since Sep 2024
- HubSpot Cookie Policy Banner since Sep 2024
- Google Hosted Libraries since Nov 2024
- Webflow since Nov 2024
- Webflow Ecommerce since Nov 2024
- WhatsApp Business Chat since Nov 2024
- HubSpot Chat since Nov 2024
- Webpack since Apr 2025
Previously used
- React Apr 2023 to Mar 2026 · 2 yrs
- styled-components Nov 2025 to Mar 2026 · 4 mo
- decimal.js Jan 2024 to Jun 2024 · 5 mo
- Google Maps Dec 2022 to Jun 2024 · 1 yr
- Isotope Apr 2023 to Jun 2024 · 1 yr
- Lodash Nov 2023 to Jun 2024 · 7 mo
- Microsoft Clarity Jun 2023 to Jun 2024 · 1 yr
- MonsterInsights Nov 2023 to Jun 2024 · 7 mo
- Outbrain Mar 2024 to Jun 2024 · 3 mo
- Performance Lab Nov 2023 to Jun 2024 · 7 mo
- RankMath SEO Aug 2023 to Jun 2024 · 10 mo
- Swiper Sep 2022 to Jun 2024 · 1 yr
- WP Rocket Sep 2023 to Jun 2024 · 9 mo
- Hello Elementor Mar 2024 to Apr 2024 · 1 mo
- TablePress Mar 2024 to Apr 2024 · 1 mo
- Underscore.js Aug 2023 to Mar 2024 · 7 mo
- WPForms Aug 2023 to Mar 2024 · 7 mo
- Contact Form 7 Sep 2022 to Jan 2024 · 1 yr
- aThemes Sydney Apr 2023 to Oct 2023 · 6 mo
- Linkedin Insight Tag Apr 2023 to Oct 2023 · 6 mo
- Microsoft Advertising Sep 2023 to Oct 2023 · 1 mo
- Apache HTTP Server Apr 2023 to Aug 2023 · 4 mo
- Font Awesome Apr 2023 to Aug 2023 · 4 mo
- GSAP Apr 2023 to Aug 2023 · 4 mo
- LazySizes Apr 2023 to Aug 2023 · 4 mo
- LottieFiles Jun 2023 to Aug 2023 · 2 mo
- WPMU DEV Smush Apr 2023 to Aug 2023 · 4 mo
- Termly Apr 2023 to Jul 2023 · 3 mo
- W3 Total Cache Apr 2023 to Jul 2023 · 3 mo
- Popup Maker Jun 2023 to Jun 2023 · 1 mo
- Draftpress HFCM Sep 2022 to Mar 2023 · 6 mo
- The SEO Framework Sep 2022 to Mar 2023 · 6 mo
- Twitter Emoji (Twemoji) Sep 2022 to Mar 2023 · 6 mo
- C Feb 2023 to Feb 2023 · 1 mo
Timeline
2026 2 dropped
- dropped React May 2026 · JavaScript frameworks
- dropped styled-components May 2026 · JavaScript frameworks
2025 4 added
- added React Nov 2025 · JavaScript frameworks
- added styled-components Nov 2025 · JavaScript frameworks
- added Vimeo Jul 2025 · Video players
- added Webpack Apr 2025 · Miscellaneous
2024 6 added · 19 dropped · 1 switched
- dropped decimal.js Sep 2024 · JavaScript libraries
- dropped Google Maps Sep 2024 · Maps
- dropped Google Tag Manager Sep 2024 · Tag managers
- added HubSpot Cookie Policy Banner Sep 2024 · Cookie compliance
- dropped Isotope Sep 2024 · JavaScript libraries
- dropped Lodash Sep 2024 · JavaScript libraries
- dropped Microsoft Clarity Sep 2024 · Analytics
- dropped MonsterInsights Sep 2024 · WordPress plugins
- dropped Outbrain Sep 2024 · Widgets
- dropped Performance Lab Sep 2024 · WordPress plugins
- added Preact Sep 2024 · JavaScript libraries
- dropped RankMath SEO Sep 2024 · WordPress plugins
- dropped Swiper Sep 2024 · JavaScript libraries
- dropped Vimeo Sep 2024 · Video players
- dropped WP Rocket Sep 2024 · WordPress plugins
- added Cloudflare Bot Management Jun 2024 · Security
- dropped Elementor Header & Footer Builder Jun 2024 · WordPress plugins
- added Google Maps Jun 2024 · Maps
- dropped Hello Elementor Jun 2024 · WordPress themes
- dropped TablePress Jun 2024 · WordPress plugins
- added Vimeo Jun 2024 · Video players
- dropped Bootstrap May 2024 · UI frameworks
- dropped WPForms May 2024 · WordPress plugins
- dropped Contact Form 7 Apr 2024 · WordPress plugins
- switched Underscore.js Isotope Apr 2024 · JavaScript libraries
- added decimal.js Jan 2024 · JavaScript libraries
2023 65 added · 27 dropped · 2 switched
- dropped aThemes Sydney Dec 2023 · WordPress themes
- dropped Bootstrap Dec 2023 · UI frameworks
- dropped Hotjar Dec 2023 · Analytics
- dropped HSTS Dec 2023 · Security
- dropped Isotope Dec 2023 · JavaScript libraries
- dropped Linkedin Insight Tag Dec 2023 · Analytics
- dropped Microsoft Advertising Dec 2023 · Advertising
- dropped Underscore.js Dec 2023 · JavaScript libraries
- dropped WPForms Dec 2023 · WordPress plugins
- added Contact Form 7 Nov 2023 · WordPress plugins
- added Lodash Nov 2023 · JavaScript libraries
- added MonsterInsights Nov 2023 · WordPress plugins
- added Performance Lab Nov 2023 · WordPress plugins
- added Swiper Nov 2023 · JavaScript libraries
- dropped Apache HTTP Server Oct 2023 · Web servers
- dropped Contact Form 7 Oct 2023 · WordPress plugins
- dropped Font Awesome Oct 2023 · Font scripts
- dropped GSAP Oct 2023 · JavaScript frameworks
- added HSTS Oct 2023 · Security
- dropped LazySizes Oct 2023 · JavaScript libraries
- dropped Priority Hints Oct 2023 · Performance
- dropped WPMU DEV Smush Oct 2023 · WordPress plugins
- added Cloudflare Sep 2023 · CDN
- dropped HSTS Sep 2023 · Security
- switched LottieFiles HTTP/3 Sep 2023 · Miscellaneous
- added Microsoft Advertising Sep 2023 · Advertising
- dropped React Sep 2023 · JavaScript frameworks
- dropped Termly Sep 2023 · Cookie compliance
- dropped W3 Total Cache Sep 2023 · WordPress plugins
- added WP Rocket Sep 2023 · WordPress plugins
- dropped Yoast SEO Sep 2023 · WordPress plugins
- dropped Popup Maker Aug 2023 · WordPress plugins
- added Priority Hints Aug 2023 · Performance
- added RankMath SEO Aug 2023 · WordPress plugins
- added Underscore.js Aug 2023 · JavaScript libraries
- added WPForms Aug 2023 · WordPress plugins
- added LottieFiles Jun 2023 · Miscellaneous
- added Microsoft Clarity Jun 2023 · Analytics
- added Popup Maker Jun 2023 · WordPress plugins
- added Apache HTTP Server May 2023 · Web servers
- added aThemes Sydney May 2023 · WordPress themes
- added Bootstrap May 2023 · UI frameworks
- added Contact Form 7 May 2023 · WordPress plugins
- added core-js May 2023 · JavaScript libraries
- dropped Draftpress HFCM May 2023 · WordPress plugins
- added Elementor May 2023 · WordPress plugins
- added Font Awesome May 2023 · Font scripts
- added Google Analytics May 2023 · Analytics
- added Google Font API May 2023 · Font scripts
- dropped Google Maps May 2023 · Maps
- added Google Tag Manager May 2023 · Tag managers
- added GSAP May 2023 · JavaScript frameworks
- added Hotjar May 2023 · Analytics
- added HSTS May 2023 · Security
- 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 LazySizes May 2023 · JavaScript libraries
- added Linkedin Insight Tag May 2023 · Analytics
- added Microsoft 365 May 2023 · Webmail
- added MySQL May 2023 · Databases
- added Open Graph May 2023 · Miscellaneous
- switched C PHP May 2023 · Programming languages
- added React May 2023 · JavaScript frameworks
- added RSS May 2023 · Miscellaneous
- added SiteGround May 2023 · PaaS
- dropped Swiper May 2023 · JavaScript libraries
- added Termly May 2023 · Cookie compliance
- dropped The SEO Framework May 2023 · SEO
- added Trustpilot May 2023 · Reviews
- dropped Twitter Emoji (Twemoji) May 2023 · Font scripts
- added W3 Total Cache May 2023 · WordPress plugins
- added WordPress May 2023 · CMS
- added WPMU DEV Smush May 2023 · WordPress plugins
- added Yoast SEO May 2023 · WordPress plugins
- added Apache HTTP Server Apr 2023 · Web servers
- added aThemes Sydney Apr 2023 · WordPress themes
- added Font Awesome Apr 2023 · Font scripts
- added Google Tag Manager Apr 2023 · Tag managers
- added GSAP Apr 2023 · JavaScript frameworks
- added Hotjar Apr 2023 · Analytics
- added HSTS Apr 2023 · Security
- added Isotope Apr 2023 · JavaScript libraries
- added LazySizes Apr 2023 · JavaScript libraries
- added Linkedin Insight Tag Apr 2023 · Analytics
- added React Apr 2023 · JavaScript frameworks
- added RSS Apr 2023 · Miscellaneous
- added Termly Apr 2023 · Cookie compliance
- added Trustpilot Apr 2023 · Reviews
- added W3 Total Cache Apr 2023 · WordPress plugins
- added WPMU DEV Smush Apr 2023 · WordPress plugins
- added Yoast SEO Apr 2023 · WordPress plugins
- added C Feb 2023 · Programming languages
2022 1 added · 1 dropped
- added Google Maps Dec 2022 · Maps
- dropped Google Tag Manager Nov 2022 · Tag managers