Technology history for 21.de

Stack size over time

From 7 detected technologies in May 2021 to 30 in Jun 2026.

Currently detected

• Windows Server since May 2021
• Bootstrap since May 2021
• jQuery since May 2021
• Google Font API since May 2021
• IIS since May 2021
• Cookiebot since May 2021
• Microsoft ASP.NET since May 2021
• Google Hosted Libraries since Feb 2022
• Popper since Apr 2025
• HSTS since Apr 2025
• jsDelivr since Apr 2025
• Slick since Apr 2025
• Hello Elementor since Dec 2025
• Priority Hints since Dec 2025
• core-js since Dec 2025
• jQuery Migrate since Dec 2025
• Open Graph since Dec 2025
• Twitter Emoji (Twemoji) since Dec 2025
• Elementor since Dec 2025
• MySQL since Dec 2025
• PHP since Dec 2025
• RSS since Dec 2025
• WordPress since Dec 2025
• Apache HTTP Server since Dec 2025
• Borlabs Cookie since Dec 2025
• jQuery UI since Dec 2025
• RankMath SEO since Dec 2025
• SoundCloud since Dec 2025
• Swiper since Dec 2025
• Vue.js since Dec 2025

Previously used

• Issuu Mar 2022 to Mar 2022 · 1 mo
• Wheelio Sep 2021 to Oct 2021 · 1 mo

Timeline