Technology history for 4books.com
Stack size over time
From 8 detected technologies in Jan 2019 to 28 in Jun 2026.
Currently detected
- Animate.css since Jan 2019
- Bootstrap since Jan 2019
- Cloudflare since Jan 2019
- Firebase since Jan 2019
- Google Analytics since Jan 2019
- PHP since Jan 2019
- Google Font API since Jan 2019
- jQuery since Jan 2019
- Sentry since Nov 2019
- SweetAlert2 since Apr 2020
- jsDelivr since Jul 2020
- Chargebee since Feb 2021
- Apple Sign-in since Jul 2021
- Howler.js since Jul 2021
- core-js since Sep 2021
- LottieFiles since Feb 2022
- Yett since Feb 2022
- Popper since Apr 2022
- Nginx since Jul 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- Swiper since Sep 2022
- Google Tag Manager since May 2024
- iubenda since May 2024
- HTTP/3 since Dec 2024
- VWO since Mar 2025
- Cloudflare Browser Insights since Nov 2025
Previously used
- C Feb 2023 to Feb 2023 · 1 mo
- Swiper Slider Jul 2021 to Aug 2022 · 1 yr
- Cloudflare Network Error Logging Feb 2022 to Jun 2022 · 4 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Google Sign-in Jul 2021 to Oct 2021 · 3 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Slick Feb 2021 to May 2021 · 3 mo
- Font Awesome Jul 2020 to Jan 2021 · 6 mo
Timeline
2025 2 added
- added Cloudflare Browser Insights Nov 2025 · Analytics
- added VWO Mar 2025 · Analytics
2024 3 added
- added HTTP/3 Dec 2024 · Miscellaneous
- added Google Tag Manager May 2024 · Tag managers
- added iubenda May 2024 · Cookie compliance
2023 2 added · 1 dropped
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
- added Cloudflare Jan 2023 · CDN
2022 9 added · 3 dropped · 1 switched
- added HSTS Sep 2022 · Security
- switched Swiper Slider Open Graph Sep 2022 · Miscellaneous
- added Swiper Sep 2022 · JavaScript libraries
- dropped Cloudflare Aug 2022 · CDN
- dropped Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added Google Workspace Aug 2022 · Webmail
- added Nginx Jul 2022 · Web servers
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Popper Apr 2022 · Miscellaneous
- added Tailwind CSS Apr 2022 · UI frameworks
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added LottieFiles Feb 2022 · Miscellaneous
- added Yett Feb 2022 · Cookie compliance
2021 9 added · 5 dropped
- dropped Google Sign-in Dec 2021 · Social logins
- dropped Wheelio Dec 2021 · Widgets
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Apple Sign-in Jul 2021 · Social logins
- added Google Sign-in Jul 2021 · Social logins
- added Howler.js Jul 2021 · JavaScript libraries
- added Sentry Jul 2021 · Issue trackers
- dropped Slick Jul 2021 · JavaScript libraries
- added Swiper Slider Jul 2021 · Miscellaneous
- dropped Font Awesome Mar 2021 · Font scripts
- dropped Sentry Mar 2021 · Issue trackers
- added Chargebee Feb 2021 · Payment processors
- added Slick Feb 2021 · JavaScript libraries
2020 3 added
- added Font Awesome Jul 2020 · Font scripts
- added jsDelivr Jul 2020 · CDN
- added SweetAlert2 Apr 2020 · JavaScript Libraries
2019 9 added
- added Sentry Nov 2019 · Issue Trackers
- added Animate.css Mar 2019 · Web Frameworks
- added Bootstrap Mar 2019 · Web Frameworks
- added Cloudflare Mar 2019 · CDN
- added Firebase Mar 2019 · Databases
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added jQuery Mar 2019 · JavaScript Libraries
- added PHP Mar 2019 · Programming Languages