Technology history for skillsbuilder.org
Stack size over time
From 8 detected technologies in Apr 2019 to 41 in Aug 2026 (peak 43).
Currently detected
- Google Analytics since Apr 2019
- Google Tag Manager since Apr 2019
- jQuery since Apr 2019
- Nginx since Apr 2019
- Typekit since Apr 2019
- Webflow since Oct 2019
- Amazon CloudFront since Mar 2020
- Amazon Web Services since Mar 2020
- Lodash since Mar 2020
- jQuery UI since Mar 2020
- Python since Mar 2020
- Django since Mar 2020
- Osano since Aug 2020
- jsDelivr since Dec 2020
- gunicorn since Feb 2021
- Bootstrap since Feb 2021
- Amazon S3 since May 2021
- core-js since Sep 2021
- Wagtail since Oct 2021
- styled-components since Nov 2021
- React since Nov 2021
- MySQL since Apr 2022
- jQuery Migrate since Apr 2022
- PHP since Apr 2022
- WordPress since Apr 2022
- WP Engine since Apr 2022
- Yoast SEO since Apr 2022
- Cloudflare since May 2022
- GoDaddy since Aug 2022
- Google Workspace since Aug 2022
- PWA since Aug 2022
- Mailjet since Aug 2022
- Open Graph since Sep 2022
- RSS since Jan 2023
- Wistia since Jan 2023
- Hotjar since Sep 2023
- HTTP/3 since Feb 2024
- Sentry since Jul 2024
- HSTS since Aug 2024
- Salesforce since Jan 2025
- Webpack since Mar 2025
Previously used
- Emotion Dec 2025 to Dec 2025 · 1 mo
- Preact Dec 2025 to Dec 2025 · 1 mo
- Cloudflare Bot Management Oct 2024 to Dec 2024 · 2 mo
- cdnjs Oct 2021 to Feb 2024 · 2 yrs
- Linkedin Insight Tag Dec 2023 to Feb 2024 · 2 mo
- Twitter Ads May 2021 to Feb 2024 · 2 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- OpenResty Apr 2019 to Nov 2022 · 3 yrs
- Varnish Apr 2019 to Nov 2022 · 3 yrs
- Fastly May 2022 to Aug 2022 · 3 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Twitter Analytics May 2021 to Apr 2022 · 11 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Lua Apr 2019 to May 2021 · 2 yrs
Timeline
2026 2 dropped
2025 6 added · 2 dropped
- added Emotion Dec 2025 · JavaScript frameworks
- added Preact Dec 2025 · JavaScript libraries
- added Sentry Apr 2025 · Issue trackers
- dropped Sentry Mar 2025 · Issue trackers
- added Webpack Mar 2025 · Miscellaneous
- dropped Cloudflare Bot Management Feb 2025 · Security
- added Osano Jan 2025 · Cookie compliance
- added Salesforce Jan 2025 · CRM
2024 5 added · 4 dropped · 1 switched
- added Cloudflare Oct 2024 · CDN
- added Cloudflare Bot Management Oct 2024 · Security
- added HSTS Aug 2024 · Security
- switched Linkedin Insight Tag Hotjar Jul 2024 · Analytics
- added Sentry Jul 2024 · Issue trackers
- dropped cdnjs Apr 2024 · CDN
- dropped Cloudflare Apr 2024 · CDN
- dropped Hotjar Apr 2024 · Analytics
- dropped Twitter Ads Apr 2024 · Advertising
- added HTTP/3 Feb 2024 · Miscellaneous
2023 4 added · 4 dropped
- added Linkedin Insight Tag Dec 2023 · Analytics
- dropped Osano Nov 2023 · Cookie compliance
- added Hotjar Sep 2023 · Analytics
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
- dropped OpenResty Jan 2023 · Web servers
- dropped Varnish Jan 2023 · Caching
- added Wistia Jan 2023 · Video players
2022 30 added · 1 dropped · 2 switched
- dropped Fastly Dec 2022 · CDN
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon CloudFront Aug 2022 · CDN
- added Amazon Web Services Aug 2022 · PaaS
- switched Tailwind CSS Bootstrap Aug 2022 · UI frameworks
- added cdnjs Aug 2022 · CDN
- added Cloudflare Aug 2022 · CDN
- added core-js Aug 2022 · JavaScript libraries
- added Django Aug 2022 · Web frameworks
- added Fastly Aug 2022 · CDN
- added GoDaddy Aug 2022 · Hosting
- switched Twitter Analytics Google Analytics Aug 2022 · Analytics
- added Google Tag Manager Aug 2022 · Tag managers
- added Google Workspace Aug 2022 · Email
- added gunicorn Aug 2022 · Web servers
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery UI Aug 2022 · JavaScript libraries
- added jsDelivr Aug 2022 · CDN
- added Lodash Aug 2022 · JavaScript libraries
- added Mailjet Aug 2022 · Email
- added Nginx Aug 2022 · Web servers
- added OpenResty Aug 2022 · Web servers
- added Osano Aug 2022 · Cookie compliance
- added PWA Aug 2022 · Miscellaneous
- added Python Aug 2022 · Programming languages
- added Twitter Ads Aug 2022 · Advertising
- added Typekit Aug 2022 · Font scripts
- added Varnish Aug 2022 · Caching
- added Wagtail Aug 2022 · CMS
- added Webflow Aug 2022 · Page builders
- added Cloudflare May 2022 · CDN
- added Fastly May 2022 · CDN
- added Tailwind CSS Apr 2022 · UI frameworks
2021 8 added · 3 dropped
- dropped Wheelio Dec 2021 · Widgets
- added cdnjs Oct 2021 · CDN
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- dropped Lua Jul 2021 · Programming languages
- added Typekit Jul 2021 · Font scripts
- added Twitter Ads May 2021 · Advertising
- added Twitter Analytics May 2021 · Analytics
- dropped Typekit Mar 2021 · Font scripts
- added Bootstrap Feb 2021 · UI frameworks
- added gunicorn Feb 2021 · Web servers
2020 1 added
- added Osano Aug 2020 · Cookie compliance
2019 1 added
- added Webflow Oct 2019 · Landing Page Builders