Technology history for openlibrary.org
Stack size over time
From 5 detected technologies in Apr 2018 to 35 in Jun 2026 (peak 36).
Currently detected
- jQuery since Apr 2018
- jQuery Migrate since Apr 2018
- Font Awesome since Apr 2018
- Nginx since Apr 2018
- Ubuntu since Apr 2018
- Backbone.js since Jun 2018
- Moment.js since Jun 2018
- Slick since Jun 2018
- Underscore.js since Jun 2018
- MySQL since Aug 2018
- PHP since Aug 2018
- WordPress since Aug 2018
- jQuery UI since Oct 2018
- Twitter since Sep 2020
- core-js since Sep 2021
- PWA since Aug 2022
- RSS since Dec 2022
- Animate.css since May 2023
- Caddy since May 2023
- HTTP/3 since May 2023
- Twenty Twelve since May 2023
- Twitter Ads since May 2023
- WordPress Block Editor since Jul 2024
- Cloudflare since Mar 2025
- Cloudflare Bot Management since Mar 2025
- Priority Hints since Mar 2025
- Matomo Analytics since Jan 2026
- lit-element since Mar 2026
- lit-html since Mar 2026
- Fastly since Apr 2026
- GitHub Pages since Apr 2026
- Varnish since Apr 2026
- Vite since Apr 2026
- VitePress since Apr 2026
- Vue.js since Apr 2026
Previously used
- Matomo Tag Manager Jan 2026 to Apr 2026 · 3 mo
- WordPress Super Cache Sep 2023 to Sep 2025 · 2 yrs
- Cart Functionality Aug 2025 to Aug 2025 · 1 mo
- Apache HTTP Server May 2023 to Sep 2023 · 4 mo
- Twitter Emoji (Twemoji) Aug 2018 to Apr 2023 · 4 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Webpack Sep 2019 to Jul 2021 · 1 yr
- Polyfill Dec 2019 to Jan 2020 · 1 mo
- PayPal Dec 2019 to Dec 2019 · 1 mo
Timeline
2026 7 added · 1 dropped
- dropped Matomo Tag Manager Jun 2026 · Tag managers
- added Cloudflare May 2026 · CDN
- added Cloudflare Bot Management May 2026 · Security
- added lit-element Mar 2026 · JavaScript libraries
- added lit-html Mar 2026 · JavaScript libraries
- added jQuery UI Feb 2026 · JavaScript libraries
- added Matomo Analytics Jan 2026 · Analytics
- added Matomo Tag Manager Jan 2026 · Tag managers
2025 4 added · 5 dropped
- dropped jQuery UI Dec 2025 · JavaScript libraries
- dropped Cloudflare Nov 2025 · CDN
- dropped Cloudflare Bot Management Nov 2025 · Security
- dropped WordPress Super Cache Nov 2025 · Caching
- dropped Cart Functionality Oct 2025 · Ecommerce
- added Cart Functionality Aug 2025 · Ecommerce
- added Cloudflare Mar 2025 · CDN
- added Cloudflare Bot Management Mar 2025 · Security
- added Priority Hints Mar 2025 · Performance
2024 1 added
- added WordPress Block Editor Jul 2024 · Page builders
2023 9 added · 3 dropped
- dropped Apache HTTP Server Nov 2023 · Web servers
- added WordPress Super Cache Sep 2023 · Caching
- dropped Twitter Emoji (Twemoji) Jun 2023 · Font scripts
- added Animate.css May 2023 · UI frameworks
- added Apache HTTP Server May 2023 · Web servers
- added Caddy May 2023 · Web servers
- added HTTP/3 May 2023 · Miscellaneous
- added Twenty Twelve May 2023 · WordPress themes
- added Twitter May 2023 · Widgets
- added Twitter Ads May 2023 · Advertising
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
2022 3 added · 2 dropped
- added RSS Dec 2022 · Miscellaneous
- added PWA Aug 2022 · Miscellaneous
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Wheelio Feb 2022 · Widgets
2021 4 added · 3 dropped
- added core-js Sep 2021 · JavaScript libraries
- dropped Webpack Sep 2021 · Miscellaneous
- added Wheelio Sep 2021 · Widgets
- added jQuery UI Jul 2021 · JavaScript libraries
- added Webpack Jul 2021 · Miscellaneous
- dropped jQuery UI Mar 2021 · JavaScript libraries
- dropped Webpack Mar 2021 · Miscellaneous
2020 3 dropped
- dropped Twitter Nov 2020 · Miscellaneous
- dropped Polyfill Mar 2020 · JavaScript Libraries
- dropped PayPal Feb 2020 · Payment Processors
2019 4 added
- added PayPal Dec 2019 · Payment Processors
- added Polyfill Dec 2019 · JavaScript Libraries
- added Webpack Sep 2019 · Miscellaneous
- added jQuery UI Mar 2019 · JavaScript Libraries
2018 5 added · 1 dropped
- added jQuery UI Oct 2018 · JavaScript Libraries
- dropped jQuery Migrate Jul 2018 · JavaScript Frameworks
- added Backbone.js Jun 2018 · JavaScript Frameworks
- added Moment.js Jun 2018 · JavaScript Frameworks
- added Slick Jun 2018 · JavaScript Frameworks
- added Underscore.js Jun 2018 · JavaScript Frameworks