Technology history for freebooksummary.com
Stack size over time
From 12 detected technologies in Apr 2018 to 27 in Jun 2026 (peak 29).
Currently detected
- Google Tag Manager since Apr 2018
- Cloudflare since Apr 2018
- Google Font API since Apr 2018
- WordPress since Apr 2018
- jQuery since Apr 2018
- jQuery Migrate since Apr 2018
- Google Analytics since Jun 2018
- Facebook since Jun 2018
- FancyBox since Jun 2018
- Hotjar since Jun 2018
- MySQL since Jun 2018
- PHP since Jun 2018
- Zendesk Chat since Jul 2018
- Google Analytics Enhanced eCommerce since Jan 2019
- Yoast SEO since Mar 2019
- Redis since Jul 2020
- Redis Object Cache since Jul 2020
- Nginx since Oct 2020
- Cart Functionality since Oct 2021
- Amazon Web Services since Aug 2022
- Amazon SES since Aug 2022
- core-js since Sep 2022
- HTTP/3 since Sep 2022
- Open Graph since Sep 2022
- Swiper since Sep 2022
- eSputnik since Oct 2022
- Cloudflare Browser Insights since Nov 2025
Previously used
- Google Optimize Jul 2021 to Oct 2023 · 2 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- cdnjs May 2022 to Aug 2022 · 3 mo
- Clipboard.js Jan 2020 to Aug 2022 · 2 yrs
- jQuery CDN Feb 2022 to Aug 2022 · 6 mo
- jQuery UI Mar 2019 to Aug 2022 · 3 yrs
- Swiper Slider Mar 2020 to Aug 2022 · 2 yrs
- WP Fastest Cache Feb 2022 to Aug 2022 · 6 mo
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Amplitude Jan 2019 to May 2019 · 4 mo
- Font Awesome Mar 2019 to Mar 2019 · 1 mo
- Bootstrap Apr 2018 to Apr 2018 · 1 mo
- Lightbox Apr 2018 to Apr 2018 · 1 mo
- Modernizr Apr 2018 to Apr 2018 · 1 mo
- Moment.js Apr 2018 to Apr 2018 · 1 mo
- OWL Carousel Apr 2018 to Apr 2018 · 1 mo
- Underscore.js Apr 2018 to Apr 2018 · 1 mo
Timeline
2025 1 added
- added Cloudflare Browser Insights Nov 2025 · Analytics
2023 16 added · 2 dropped
- dropped Google Optimize Dec 2023 · A/B Testing
- added Amazon SES May 2023 · Email
- added Amazon Web Services May 2023 · PaaS
- added Cart Functionality May 2023 · Ecommerce
- added core-js May 2023 · JavaScript libraries
- added eSputnik May 2023 · Marketing automation
- added Google Analytics Enhanced eCommerce May 2023 · Analytics
- added Google Optimize May 2023 · A/B Testing
- added HTTP/3 May 2023 · Miscellaneous
- added Nginx May 2023 · Web servers
- added Open Graph May 2023 · Miscellaneous
- added Redis May 2023 · Databases
- added Redis Object Cache May 2023 · Caching
- added Swiper May 2023 · JavaScript libraries
- added Yoast SEO May 2023 · SEO
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
- added Nginx Feb 2023 · Web servers
2022 23 added · 6 dropped · 2 switched
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- dropped Clipboard.js Nov 2022 · JavaScript libraries
- dropped jQuery UI Nov 2022 · JavaScript libraries
- dropped Nginx Nov 2022 · Web servers
- dropped Swiper Slider Nov 2022 · Miscellaneous
- dropped WP Fastest Cache Nov 2022 · WordPress plugins
- added eSputnik Oct 2022 · Marketing automation
- added core-js Sep 2022 · JavaScript libraries
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Swiper Sep 2022 · JavaScript libraries
- added Amazon SES Aug 2022 · Email
- added Amazon Web Services Aug 2022 · PaaS
- added Cart Functionality Aug 2022 · Ecommerce
- switched jQuery CDN cdnjs Aug 2022 · CDN
- added Clipboard.js Aug 2022 · JavaScript libraries
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added Google Analytics Enhanced eCommerce Aug 2022 · Analytics
- added Google Optimize Aug 2022 · A/B Testing
- switched cdnjs jQuery CDN Aug 2022 · CDN
- added jQuery UI Aug 2022 · JavaScript libraries
- added Nginx Aug 2022 · Web servers
- added Redis Aug 2022 · Databases
- added Redis Object Cache Aug 2022 · Caching
- added Swiper Slider Aug 2022 · Miscellaneous
- added WP Fastest Cache Aug 2022 · WordPress plugins
- added Yoast SEO Aug 2022 · SEO
- added cdnjs May 2022 · CDN
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added jQuery CDN Feb 2022 · CDN
- added WP Fastest Cache Feb 2022 · Performance
2021 4 added · 2 dropped
- dropped Wheelio Nov 2021 · Widgets
- added Cart Functionality Oct 2021 · Ecommerce
- added Wheelio Sep 2021 · Widgets
- added Google Analytics Enhanced eCommerce Jul 2021 · Analytics
- added Google Optimize Jul 2021 · A/B Testing
- dropped Google Analytics Enhanced eCommerce Mar 2021 · Analytics
2020 5 added · 1 dropped
- dropped Nginx Dec 2020 · Web servers
- added Nginx Oct 2020 · Web servers
- added Redis Jul 2020 · Caching
- added Redis Object Cache Jul 2020 · Caching
- added Swiper Slider Mar 2020 · Miscellaneous
- added Clipboard.js Jan 2020 · Miscellaneous
2019 5 added · 2 dropped · 1 switched
- switched Amplitude Google Analytics Enhanced eCommerce Sep 2019 · Analytics
- dropped Google Analytics Enhanced eCommerce Jul 2019 · Analytics
- dropped Font Awesome May 2019 · Font Scripts
- added Amplitude Mar 2019 · Analytics
- added Font Awesome Mar 2019 · Font Scripts
- added Google Analytics Enhanced eCommerce Mar 2019 · Analytics
- added jQuery UI Mar 2019 · JavaScript Libraries
- added Yoast SEO Mar 2019 · SEO
2018 6 added · 5 dropped · 1 switched
- added Zendesk Chat Jul 2018 · Live Chat
- dropped Bootstrap Jun 2018 · Web Frameworks
- switched OWL Carousel Facebook Jun 2018 · Widgets
- added FancyBox Jun 2018 · JavaScript Frameworks
- added Google Analytics Jun 2018 · Analytics
- added Hotjar Jun 2018 · Analytics
- dropped Lightbox Jun 2018 · JavaScript Frameworks
- dropped Modernizr Jun 2018 · JavaScript Frameworks
- dropped Moment.js Jun 2018 · JavaScript Frameworks
- added MySQL Jun 2018 · Databases
- added PHP Jun 2018 · Programming Languages
- dropped Underscore.js Jun 2018 · JavaScript Frameworks