Technology history for checkio.org
Stack size over time
From 4 detected technologies in Apr 2018 to 24 in Jun 2026 (peak 33).
Currently detected
- Google Font API since Apr 2018
- Nginx since Apr 2018
- jQuery since Apr 2018
- YouTube since Apr 2018
- Google Analytics since Jun 2018
- Twitter since Jun 2018
- Sentry since Feb 2019
- Node.js since Jun 2020
- Medium since Jun 2020
- Envoy since Aug 2020
- Branch since Feb 2021
- Twitter Ads since Jul 2021
- Algolia since Feb 2022
- PayPal since Apr 2022
- Google Workspace since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Python since Oct 2022
- Django since Oct 2022
- RSS since Dec 2022
- reCAPTCHA since May 2023
- Google Tag Manager since Feb 2024
- Cloudflare since Mar 2025
- Cloudflare Bot Management since Mar 2025
Previously used
- Backbone.js Aug 2018 to Jul 2025 · 6 yrs
- Lodash Mar 2020 to Jul 2025 · 5 yrs
- Marionette.js Aug 2018 to Jul 2025 · 6 yrs
- Modernizr Aug 2018 to Jul 2025 · 6 yrs
- RequireJS Aug 2018 to Jul 2025 · 6 yrs
- Underscore.js Aug 2018 to Jul 2025 · 6 yrs
- jQuery CDN Feb 2022 to Oct 2024 · 2 yrs
- Firebase Nov 2018 to Jul 2024 · 5 yrs
- core-js Sep 2021 to Jun 2024 · 2 yrs
- Amazon CloudFront Mar 2021 to Mar 2024 · 3 yrs
- Amazon Web Services Mar 2021 to Mar 2024 · 3 yrs
- Swiper Oct 2023 to Jan 2024 · 3 mo
- C Feb 2023 to Feb 2023 · 1 mo
- FingerprintJS Sep 2021 to Aug 2022 · 11 mo
- jsDelivr Sep 2021 to Aug 2022 · 11 mo
- Moment.js Aug 2018 to May 2022 · 3 yrs
- Optimizely Sep 2021 to Feb 2022 · 5 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Parse.ly Jun 2020 to Jan 2021 · 7 mo
Timeline
2026 2 added
- added Cloudflare May 2026 · CDN
- added Cloudflare Bot Management May 2026 · Security
2025 1 added · 8 dropped · 1 switched
- dropped Cloudflare Nov 2025 · CDN
- dropped Cloudflare Bot Management Nov 2025 · Security
- dropped Backbone.js Sep 2025 · JavaScript frameworks
- dropped Lodash Sep 2025 · JavaScript libraries
- dropped Marionette.js Sep 2025 · JavaScript frameworks
- dropped Modernizr Sep 2025 · JavaScript libraries
- dropped RequireJS Sep 2025 · JavaScript frameworks
- dropped Underscore.js Sep 2025 · JavaScript libraries
- switched jQuery CDN Cloudflare Mar 2025 · CDN
- added Cloudflare Bot Management Mar 2025 · Security
2024 1 added · 5 dropped
- dropped Firebase Sep 2024 · Databases
- dropped core-js Aug 2024 · JavaScript libraries
- dropped Amazon CloudFront May 2024 · CDN
- dropped Amazon Web Services May 2024 · PaaS
- dropped Swiper Mar 2024 · JavaScript libraries
- added Google Tag Manager Feb 2024 · Tag managers
2023 3 added · 1 dropped
- added Swiper Oct 2023 · JavaScript libraries
- added reCAPTCHA May 2023 · Security
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
2022 8 added · 5 dropped · 1 switched
- dropped FingerprintJS Dec 2022 · JavaScript libraries
- dropped jsDelivr Dec 2022 · CDN
- added RSS Dec 2022 · Miscellaneous
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- switched Moment.js FingerprintJS Aug 2022 · JavaScript libraries
- added Google Workspace Aug 2022 · Webmail
- added jsDelivr Aug 2022 · CDN
- dropped FingerprintJS Jul 2022 · JavaScript libraries
- dropped jsDelivr Jul 2022 · CDN
- dropped Optimizely Apr 2022 · A/B Testing
- added PayPal Apr 2022 · Payment processors
- added Algolia Feb 2022 · Search engines
- added jQuery CDN Feb 2022 · CDN
2021 16 added · 9 dropped
- dropped Wheelio Dec 2021 · Widgets
- added core-js Sep 2021 · JavaScript libraries
- added FingerprintJS Sep 2021 · JavaScript libraries
- added jsDelivr Sep 2021 · CDN
- added Optimizely Sep 2021 · A/B Testing
- added Wheelio Sep 2021 · Widgets
- added Twitter Ads Jul 2021 · Advertising
- added Backbone.js Jun 2021 · JavaScript frameworks
- added Lodash Jun 2021 · JavaScript libraries
- added Marionette.js Jun 2021 · JavaScript frameworks
- added Modernizr Jun 2021 · JavaScript libraries
- added Moment.js Jun 2021 · JavaScript libraries
- added Sentry Jun 2021 · Issue trackers
- added Underscore.js Jun 2021 · JavaScript libraries
- added Amazon CloudFront Mar 2021 · CDN
- added Amazon Web Services Mar 2021 · PaaS
- dropped Backbone.js Mar 2021 · JavaScript frameworks
- dropped Lodash Mar 2021 · JavaScript libraries
- dropped Marionette.js Mar 2021 · JavaScript frameworks
- dropped Modernizr Mar 2021 · JavaScript libraries
- dropped Moment.js Mar 2021 · JavaScript libraries
- dropped Parse.ly Mar 2021 · Analytics
- dropped Sentry Mar 2021 · Issue trackers
- dropped Underscore.js Mar 2021 · JavaScript libraries
- added Branch Feb 2021 · Marketing automation
2020 2 added
2019 9 added
- added Backbone.js Mar 2019 · JavaScript Frameworks
- added Firebase Mar 2019 · Databases
- added Marionette.js Mar 2019 · JavaScript Frameworks
- added Modernizr Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added RequireJS Mar 2019 · JavaScript Frameworks
- added Sentry Mar 2019 · Issue Trackers
- added Underscore.js Mar 2019 · JavaScript Libraries
- added Sentry Feb 2019 · Issue Trackers
2018 3 added
- added Firebase Nov 2018 · Databases
- added Google Analytics Jun 2018 · Analytics
- added Twitter Jun 2018 · Widgets