Technology history for 21stcr.org
Stack size over time
From 15 detected technologies in Oct 2020 to 37 in Jun 2026 (peak 40).
Currently detected
- GSAP since Oct 2020
- jQuery since Oct 2020
- Slider Revolution since Oct 2020
- Sucuri since Oct 2020
- Google Analytics since Oct 2020
- Nginx since Oct 2020
- PHP since Oct 2020
- Bootstrap since Oct 2020
- MySQL since Oct 2020
- WordPress since Oct 2020
- YouTube since Oct 2020
- Google Tag Manager since Mar 2021
- jQuery Migrate since Mar 2021
- Select2 since Jun 2021
- Google Remarketing Tag since Jul 2021
- Vimeo since Jul 2021
- Yoast SEO since Jul 2021
- core-js since Sep 2021
- WP Rocket since Oct 2021
- LazySizes since Feb 2022
- MonsterInsights since Feb 2022
- The Events Calendar since Jun 2022
- lite-youtube-embed since Jun 2022
- GoDaddy since Aug 2022
- Microsoft 365 since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- ProfilePress since Oct 2022
- RSS since Dec 2022
- Download Monitor since Jan 2023
- Priority Hints since Sep 2023
- Swiper since Feb 2024
- Really Simple SSL & Security since Apr 2024
- All in One SEO since Jul 2024
- HTTP/3 since Jan 2025
- Cloudflare since Jan 2025
- Cloudflare Bot Management since Dec 2025
Previously used
- Stripe May 2024 to Feb 2026 · 1 yr
- EmbedPlus Jul 2025 to Jan 2026 · 6 mo
- Google Font API Oct 2020 to Jan 2026 · 5 yrs
- Yoast SEO Premium Feb 2022 to Sep 2025 · 3 yrs
- Contact Form 7 Feb 2022 to Feb 2025 · 3 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Isotope Jul 2021 to Sep 2021 · 2 mo
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Choices Apr 2021 to Aug 2021 · 4 mo
- Lightbox Apr 2021 to Aug 2021 · 4 mo
- Modernizr Apr 2021 to Aug 2021 · 4 mo
- Twitter Emoji (Twemoji) Oct 2020 to Aug 2021 · 10 mo
- Babel Jul 2021 to Jul 2021 · 1 mo
- Lodash Apr 2021 to May 2021 · 1 mo
- Chart.js Oct 2020 to Jan 2021 · 3 mo
- Segment Oct 2020 to Jan 2021 · 3 mo
Timeline
2026 2 added · 3 dropped
- dropped Stripe Apr 2026 · Payment processors
- dropped EmbedPlus Mar 2026 · WordPress plugins
- dropped Google Font API Mar 2026 · Font scripts
- added EmbedPlus Jan 2026 · WordPress plugins
- added Google Font API Jan 2026 · Font scripts
2025 6 added · 4 dropped
- added Cloudflare Bot Management Dec 2025 · Security
- dropped Yoast SEO Premium Nov 2025 · SEO
- dropped EmbedPlus Sep 2025 · WordPress plugins
- dropped Google Font API Sep 2025 · Font scripts
- added EmbedPlus Jul 2025 · WordPress plugins
- added Google Font API Jul 2025 · Font scripts
- dropped Contact Form 7 Apr 2025 · WordPress plugins
- added ProfilePress Mar 2025 · WordPress plugins
- added Cloudflare Jan 2025 · CDN
- added HTTP/3 Jan 2025 · Miscellaneous
2024 5 added
- added All in One SEO Jul 2024 · WordPress plugins
- added Stripe May 2024 · Payment processors
- added Really Simple SSL & Security Apr 2024 · Security
- added MonsterInsights Feb 2024 · WordPress plugins
- added Swiper Feb 2024 · JavaScript libraries
2023 17 added · 2 dropped
- dropped MonsterInsights Sep 2023 · WordPress plugins
- added Priority Hints Sep 2023 · Performance
- added Contact Form 7 May 2023 · WordPress plugins
- added Download Monitor May 2023 · WordPress plugins
- added GoDaddy May 2023 · Hosting
- added HSTS May 2023 · Security
- added LazySizes May 2023 · JavaScript libraries
- added lite-youtube-embed May 2023 · JavaScript libraries
- added Microsoft 365 May 2023 · Webmail
- added MonsterInsights May 2023 · WordPress plugins
- added Open Graph May 2023 · Miscellaneous
- added RSS May 2023 · Miscellaneous
- added Slider Revolution May 2023 · Widgets
- added The Events Calendar May 2023 · WordPress plugins
- added Yoast SEO Premium May 2023 · SEO
- added YouTube May 2023 · Video players
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
- added Download Monitor Jan 2023 · WordPress plugins
2022 19 added · 2 dropped
- dropped ProfilePress Dec 2022 · WordPress plugins
- added RSS Dec 2022 · Miscellaneous
- added ProfilePress Oct 2022 · WordPress plugins
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Contact Form 7 Aug 2022 · WordPress plugins
- added GoDaddy Aug 2022 · Hosting
- added LazySizes Aug 2022 · JavaScript libraries
- added lite-youtube-embed Aug 2022 · JavaScript libraries
- added Microsoft 365 Aug 2022 · Webmail
- added MonsterInsights Aug 2022 · WordPress plugins
- added Slider Revolution Aug 2022 · WordPress plugins
- added The Events Calendar Aug 2022 · WordPress plugins
- added Yoast SEO Premium Aug 2022 · SEO
- added YouTube Aug 2022 · Video players
- dropped Tailwind CSS Jul 2022 · UI frameworks
- added Tailwind CSS Apr 2022 · UI frameworks
- added Contact Form 7 Feb 2022 · WordPress plugins
- added LazySizes Feb 2022 · JavaScript libraries
- added MonsterInsights Feb 2022 · Analytics
- added Yoast SEO Premium Feb 2022 · SEO
2021 21 added · 19 dropped
- dropped Google Font API Nov 2021 · Font scripts
- dropped Isotope Nov 2021 · JavaScript libraries
- dropped Wheelio Nov 2021 · Widgets
- dropped YouTube Nov 2021 · Video players
- dropped Choices Oct 2021 · Miscellaneous
- dropped Lightbox Oct 2021 · JavaScript libraries
- dropped Modernizr Oct 2021 · JavaScript libraries
- added Sucuri Oct 2021 · CDN
- dropped Twitter Emoji (Twemoji) Oct 2021 · Font scripts
- added WP Rocket Oct 2021 · Caching
- added Yoast SEO Oct 2021 · SEO
- dropped Babel Sep 2021 · Miscellaneous
- added core-js Sep 2021 · JavaScript libraries
- dropped Slider Revolution Sep 2021 · Miscellaneous
- dropped Sucuri Sep 2021 · CDN
- added Wheelio Sep 2021 · Widgets
- dropped Yoast SEO Sep 2021 · SEO
- added Babel Jul 2021 · Miscellaneous
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Google Tag Manager Jul 2021 · Tag managers
- added GSAP Jul 2021 · JavaScript frameworks
- added Isotope Jul 2021 · JavaScript libraries
- dropped Lodash Jul 2021 · JavaScript libraries
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- added Vimeo Jul 2021 · Video players
- added Yoast SEO Jul 2021 · SEO
- added Select2 Jun 2021 · JavaScript libraries
- dropped Google Tag Manager May 2021 · Tag managers
- added Bootstrap Apr 2021 · UI frameworks
- added Choices Apr 2021 · Miscellaneous
- added Lightbox Apr 2021 · JavaScript libraries
- added Lodash Apr 2021 · JavaScript libraries
- added Modernizr Apr 2021 · JavaScript libraries
- dropped Bootstrap Mar 2021 · UI frameworks
- dropped Chart.js Mar 2021 · JavaScript graphics
- added Google Tag Manager Mar 2021 · Tag managers
- dropped GSAP Mar 2021 · JavaScript frameworks
- added jQuery Migrate Mar 2021 · JavaScript libraries
- dropped Segment Mar 2021 · Analytics
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous