Technology history for ct.org

Stack size over time

From 20 detected technologies in Apr 2019 to 14 in Sep 2026 (peak 20).

Currently detected

Previously used

Timeline

2026 1 dropped

  • dropped Envoy Feb 2026 · Reverse proxies

2025 1 added · 1 dropped

  • added Envoy Oct 2025 · Reverse proxies
  • dropped Envoy Jan 2025 · Reverse proxies

2024 1 added · 1 dropped

  • added Envoy Nov 2024 · Reverse proxies
  • dropped Polyfill May 2024 · JavaScript libraries

2023 13 added · 3 dropped

  • dropped Google Cloud Jun 2023 · IaaS
  • dropped Google Cloud CDN Jun 2023 · CDN
  • dropped HTTP/3 Jun 2023 · Miscellaneous
  • added Bootstrap May 2023 · UI frameworks
  • added Google Workspace May 2023 · Webmail
  • added GSAP May 2023 · JavaScript frameworks
  • added HSTS May 2023 · Security
  • added Lodash May 2023 · JavaScript libraries
  • added Open Graph May 2023 · Miscellaneous
  • added Polyfill May 2023 · JavaScript libraries
  • added Priority Hints May 2023 · Performance
  • added React May 2023 · JavaScript frameworks
  • added RSS May 2023 · Miscellaneous
  • added Sentry May 2023 · Issue trackers
  • added Wix May 2023 · CMS
  • added RSS Feb 2023 · Miscellaneous

2022 5 added · 15 dropped

2021 6 dropped

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