Technology history for earthhour.org

2026 6 dropped

• dropped core-js Apr 2026 · JavaScript libraries
• dropped Facebook Login Apr 2026 · Authentication
• dropped Isotope Apr 2026 · JavaScript libraries
• dropped Linkedin Sign-in Apr 2026 · Authentication
• dropped Twitter Apr 2026 · Widgets
• dropped Twitter Ads Apr 2026 · Advertising

2025 1 added · 3 dropped

• dropped Google Workspace Dec 2025 · Email
• added Microsoft 365 Nov 2025 · Webmail
• dropped Ematic Solutions Sep 2025 · Marketing automation
• dropped Envoy Apr 2025 · Reverse proxies

2024 2 added · 5 dropped

• added Envoy Nov 2024 · Reverse proxies
• dropped Matomo Analytics Nov 2024 · Analytics
• dropped Envoy Sep 2024 · Reverse proxies
• added Envoy Jul 2024 · Reverse proxies
• dropped Envoy May 2024 · Reverse proxies
• dropped React Feb 2024 · JavaScript frameworks
• dropped Slick Feb 2024 · JavaScript libraries

2023 30 added · 3 dropped

• added Envoy Dec 2023 · Reverse proxies
• added Preact Aug 2023 · JavaScript libraries
• added Amazon Web Services May 2023 · PaaS
• added Cloudflare Bot Management May 2023 · Security
• added core-js May 2023 · JavaScript libraries
• added Ematic Solutions May 2023 · Marketing automation
• added Facebook Login May 2023 · Authentication
• added Google Font API May 2023 · Font scripts
• added Google Workspace May 2023 · Email
• added HSTS May 2023 · Security
• added HTTP/3 May 2023 · Miscellaneous
• added HubSpot Analytics May 2023 · Analytics
• added HubSpot Chat May 2023 · Live chat
• added HubSpot CMS Hub May 2023 · CMS
• added HubSpot Cookie Policy Banner May 2023 · Cookie compliance
• added Isotope May 2023 · JavaScript libraries
• added Linkedin Sign-in May 2023 · Authentication
• added MailChimp May 2023 · Marketing automation
• added Matomo Analytics May 2023 · Analytics
• added Open Graph May 2023 · Miscellaneous
• added React May 2023 · JavaScript frameworks
• added RSS May 2023 · Miscellaneous
• added Slick May 2023 · JavaScript libraries
• added Twitter May 2023 · Widgets
• added Twitter Ads May 2023 · Advertising
• dropped cdnjs Apr 2023 · CDN
• dropped Facebook Pixel Apr 2023 · Analytics
• dropped jsDelivr Apr 2023 · CDN
• added HubSpot Cookie Policy Banner Mar 2023 · Cookie compliance
• added React Mar 2023 · JavaScript frameworks
• added Slick Mar 2023 · JavaScript libraries
• added Google Font API Feb 2023 · Font scripts
• added Isotope Feb 2023 · JavaScript libraries

2022 24 added · 7 dropped

• dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
• dropped Google Ads Conversion Tracking Dec 2022 · Analytics
• added HTTP/3 Dec 2022 · Miscellaneous
• added RSS Dec 2022 · Miscellaneous
• added Ematic Solutions Sep 2022 · Marketing automation
• added HSTS Sep 2022 · Security
• added Open Graph Sep 2022 · Miscellaneous
• added Amazon Web Services Aug 2022 · PaaS
• added cdnjs Aug 2022 · CDN
• added Cloudflare Bot Management Aug 2022 · Security
• added Cloudflare Network Error Logging Aug 2022 · Issue trackers
• added core-js Aug 2022 · JavaScript libraries
• added Facebook Login Aug 2022 · Authentication
• added Facebook Pixel Aug 2022 · Analytics
• added Google Ads Conversion Tracking Aug 2022 · Analytics
• added Google Workspace Aug 2022 · Email
• added HubSpot Analytics Aug 2022 · Analytics
• added HubSpot Chat Aug 2022 · Live chat
• added HubSpot CMS Hub Aug 2022 · CMS
• added jsDelivr Aug 2022 · CDN
• added Linkedin Sign-in Aug 2022 · Authentication
• added MailChimp Aug 2022 · Marketing automation
• added Matomo Analytics Aug 2022 · Analytics
• added Twitter Aug 2022 · Widgets
• added Twitter Ads Aug 2022 · Advertising
• dropped Google Remarketing Tag Jul 2022 · Retargeting
• dropped HubSpot Cookie Policy Banner Jun 2022 · Cookie compliance
• dropped Twitter Analytics Jun 2022 · Analytics
• dropped Linkedin Apr 2022 · Widgets
• dropped Bootstrap Mar 2022 · UI frameworks
• added Cloudflare Network Error Logging Feb 2022 · Issue trackers

2021 16 added · 2 dropped · 1 switched

• dropped Wheelio Nov 2021 · Widgets
• added cdnjs Oct 2021 · CDN
• added Cloudflare Bot Management Oct 2021 · Security
• added core-js Sep 2021 · JavaScript libraries
• switched HubSpot Cookie → HubSpot Cookie Policy Banner Sep 2021 · Cookie compliance
• added Wheelio Sep 2021 · Widgets
• added Facebook Pixel Jul 2021 · Analytics
• added Google Ads Conversion Tracking Jul 2021 · Analytics
• added HubSpot Cookie Jul 2021 · Cookie compliance
• added Facebook Login Jun 2021 · Social logins
• added HubSpot Chat Jun 2021 · Live chat
• added HubSpot CMS Hub Jun 2021 · CMS
• added Linkedin Sign-in Jun 2021 · Social logins
• added Matomo Analytics Jun 2021 · Analytics
• added Twitter Ads May 2021 · Advertising
• added Twitter Analytics May 2021 · Analytics
• dropped Matomo Analytics Mar 2021 · Analytics
• added Bootstrap Feb 2021 · UI frameworks
• added HubSpot Analytics Feb 2021 · Analytics

2020 12 added · 2 dropped

• added Matomo Analytics Aug 2020 · Analytics
• added jsDelivr Jun 2020 · CDN
• dropped jQuery UI May 2020 · JavaScript Libraries
• added jQuery Migrate Apr 2020 · JavaScript Libraries
• added Facebook Mar 2020 · Widgets
• dropped Zendesk Chat Feb 2020 · Live Chat
• added Cloudflare Jan 2020 · CDN
• added Font Awesome Jan 2020 · Font Scripts
• added Google Tag Manager Jan 2020 · Tag Managers
• added Hotjar Jan 2020 · Analytics
• added HubSpot Jan 2020 · Marketing Automation
• added jQuery UI Jan 2020 · JavaScript Libraries
• added Matomo Jan 2020 · Analytics
• added Select2 Jan 2020 · JavaScript Libraries

2019 12 added

• added Zendesk Chat Sep 2019 · Live Chat
• added MariaDB May 2019 · Databases
• added Pantheon May 2019 · PaaS
• added Drupal Mar 2019 · CMS
• added Google Analytics Mar 2019 · Analytics
• added jQuery Mar 2019 · JavaScript Libraries
• added New Relic Mar 2019 · Analytics
• added Nginx Mar 2019 · Web Servers
• added PHP Mar 2019 · Programming Languages
• added Varnish Mar 2019 · Cache Tools
• added YouTube Mar 2019 · Video Players
• added YouTube Feb 2019 · Video Players