Technology history for upstream.ag

Stack size over time

From 17 detected technologies in Aug 2023 to 25 in Jun 2026 (peak 28).

Currently detected

• HSTS since Aug 2023
• Preact since Aug 2023
• RSS since Aug 2023
• Sentry since Aug 2023
• Substack since Aug 2023
• Tailwind CSS since Aug 2023
• Datadog since Aug 2023
• Express since Aug 2023
• GoDaddy since Aug 2023
• Google Analytics since Aug 2023
• Microsoft 365 since Aug 2023
• Node.js since Aug 2023
• Open Graph since Aug 2023
• Cloudflare since Aug 2023
• Cloudflare Bot Management since Aug 2023
• Cloudflare Browser Insights since Aug 2023
• HTTP/3 since Aug 2023
• Google Font API since Apr 2025
• React since Apr 2025
• React Router since Apr 2025
• Remix since Apr 2025
• PerimeterX since Apr 2025
• Beehiiv since Apr 2025
• Priority Hints since Apr 2026
• Prism since Apr 2026

Previously used

• Headless UI Apr 2025 to Mar 2026 · 11 mo
• Amazon ALB Aug 2025 to Dec 2025 · 4 mo
• Amazon Web Services Apr 2025 to Dec 2025 · 8 mo
• Amazon S3 Apr 2025 to Sep 2025 · 5 mo
• Heroku Apr 2025 to Sep 2025 · 5 mo

Timeline