Technology history for yslow.org
Stack size over time
From 3 detected technologies in Apr 2018 to 15 in Jun 2026.
Currently detected
- DoubleClick Ad Exchange (AdX) since Apr 2018
- Google AdSense since Apr 2018
- GitHub Pages since Apr 2018
- Ruby on Rails since Jun 2018
- Ruby since Jun 2018
- Twitter since Jun 2018
- Google Analytics since Jun 2018
- Twitter Ads since Jun 2021
- Cart Functionality since Oct 2021
- reCAPTCHA since Apr 2022
- GoDaddy since Aug 2022
- Varnish since Feb 2023
- Fastly since Feb 2023
- Cloudflare since Mar 2025
- Cloudflare Bot Management since Mar 2025
Previously used
- Google Workspace Aug 2022 to Jan 2023 · 5 mo
- Google Tag Manager Dec 2021 to Mar 2022 · 3 mo
- Wheelio Sep 2021 to Sep 2021 · 1 mo
Timeline
2025 2 added · 2 dropped
- dropped Cloudflare Dec 2025 · CDN
- dropped Cloudflare Bot Management Dec 2025 · Security
- added Cloudflare Mar 2025 · CDN
- added Cloudflare Bot Management Mar 2025 · Security
2023 2 added · 1 dropped
- dropped Google Workspace Mar 2023 · Webmail
- added Fastly Feb 2023 · CDN
- added Varnish Feb 2023 · Caching
2022 3 added · 1 dropped
- added GoDaddy Aug 2022 · Hosting
- added Google Workspace Aug 2022 · Webmail
- dropped Google Tag Manager May 2022 · Tag managers
- added reCAPTCHA Apr 2022 · Security
2021 4 added · 1 dropped
- added Google Tag Manager Dec 2021 · Tag managers
- dropped Wheelio Nov 2021 · Widgets
- added Cart Functionality Oct 2021 · Ecommerce
- added Wheelio Sep 2021 · Widgets
- added Twitter Ads Jun 2021 · Advertising
2018 4 added
- added Google Analytics Jun 2018 · Analytics
- added Ruby Jun 2018 · Programming Languages
- added Ruby on Rails Jun 2018 · Web Frameworks
- added Twitter Jun 2018 · Widgets