Technology history for a39.ooo

Stack size over time

From 18 detected technologies in May 2023 to 23 in Jun 2026.

Currently detected

• Backbone.js since May 2023
• Caddy since May 2023
• jQuery since May 2023
• Readymag since May 2023
• Google Font API since May 2023
• Lodash since May 2023
• Modernizr since May 2023
• React since May 2023
• REG.RU since May 2023
• YouTube since May 2023
• Emotion since May 2023
• Google Analytics since May 2023
• jQuery UI since May 2023
• Nginx since May 2023
• Open Graph since May 2023
• Underscore.js since May 2023
• HTTP/3 since Dec 2023
• HSTS since Dec 2023
• Hammer.js since Apr 2025
• DDoS-Guard since Apr 2025
• Tilda since Apr 2025
• Cloudflare since May 2026
• Cloudflare Bot Management since May 2026

Previously used

• jsDelivr Aug 2024 to Apr 2025 · 8 mo
• core-js May 2023 to Jul 2024 · 1 yr
• Babel May 2023 to Aug 2023 · 3 mo

Timeline