Technology history for 21-5.com
Stack size over time
From 19 detected technologies in Dec 2023 to 17 in Jun 2026 (peak 20).
Currently detected
- Open Graph since Dec 2023
- React since Dec 2023
- Cookiebot since Dec 2023
- Google Analytics since Dec 2023
- Linkedin Insight Tag since Dec 2023
- Microsoft 365 since Dec 2023
- Next.js since Dec 2023
- Node.js since Dec 2023
- Cloudflare since Dec 2023
- Headless UI since Dec 2023
- Tailwind CSS since Dec 2023
- Webpack since Dec 2023
- Cloudflare Bot Management since May 2024
- Microsoft Advertising since Oct 2024
- Priority Hints since Feb 2025
- Swiper since May 2025
- Next.js App Router since Mar 2026
Previously used
- Sentry Dec 2023 to Mar 2026 · 2 yrs
- Azure Dec 2023 to Dec 2025 · 2 yrs
- Cloudflare Browser Insights Nov 2025 to Dec 2025 · 1 mo
- HTTP/3 Dec 2023 to Dec 2025 · 2 yrs
- Azure Edge Network Feb 2025 to Apr 2025 · 2 mo
- Google Tag Manager Dec 2023 to Mar 2024 · 3 mo
- Pinterest Conversion Tag Dec 2023 to Mar 2024 · 3 mo
- core-js Dec 2023 to Jan 2024 · 1 mo
- Facebook Pixel Dec 2023 to Jan 2024 · 1 mo
Timeline
2026 2 added · 3 dropped · 1 switched
- dropped Sentry May 2026 · Issue trackers
- switched Cloudflare Browser Insights Linkedin Insight Tag Mar 2026 · Analytics
- added Next.js App Router Mar 2026 · JavaScript frameworks
- added Priority Hints Mar 2026 · Performance
- dropped Azure Feb 2026 · PaaS
- dropped HTTP/3 Feb 2026 · Miscellaneous
2025 5 added · 2 dropped
- added Cloudflare Browser Insights Nov 2025 · Analytics
- dropped Azure Edge Network Jun 2025 · Miscellaneous
- dropped Priority Hints Jun 2025 · Performance
- added Swiper May 2025 · JavaScript libraries
- added Headless UI Apr 2025 · UI frameworks
- added Azure Edge Network Feb 2025 · Miscellaneous
- added Priority Hints Feb 2025 · Performance
2024 2 added · 6 dropped
- dropped Headless UI Dec 2024 · UI frameworks
- added Microsoft Advertising Oct 2024 · Advertising
- added Cloudflare Bot Management May 2024 · Security
- dropped Google Tag Manager May 2024 · Tag managers
- dropped Linkedin Insight Tag May 2024 · Analytics
- dropped Pinterest Conversion Tag May 2024 · Analytics
- dropped core-js Mar 2024 · JavaScript libraries
- dropped Facebook Pixel Mar 2024 · Analytics