Technology history for perimeterbooks.com
Stack size over time
From 11 detected technologies in Apr 2019 to 29 in Jun 2026 (peak 31).
Currently detected
- OpenResty since Apr 2019
- PHP since Apr 2019
- Underscore.js since Apr 2019
- Google Analytics since Apr 2019
- Lua since Apr 2019
- Nginx since Apr 2019
- Backbone.js since Apr 2019
- Cargo since Apr 2019
- Hammer.js since Apr 2019
- Handlebars since Apr 2019
- jQuery since Apr 2019
- Shopify since Feb 2020
- FancyBox since Feb 2020
- Cloudflare since Feb 2020
- jQuery Migrate since Feb 2020
- Cart Functionality since Aug 2020
- MailChimp since Feb 2021
- Lodash since Jul 2021
- core-js since Sep 2021
- PayPal since Nov 2021
- LazySizes since Feb 2022
- Shop Pay since Jul 2022
- Apple Pay since Aug 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- HTTP/3 since Sep 2022
- Priority Hints since Feb 2023
- GoDaddy since May 2023
Previously used
- Boomerang Jul 2021 to Jan 2025 · 3 yrs
- Envoy Apr 2024 to Apr 2024 · 1 mo
- Cloudflare Network Error Logging Aug 2022 to Oct 2022 · 2 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
Timeline
2025 1 dropped
- dropped Boomerang Mar 2025 · JavaScript libraries
2024 1 added · 1 dropped
2023 3 added · 1 dropped
- added Priority Hints Nov 2023 · Performance
- dropped Priority Hints Oct 2023 · Performance
- added GoDaddy May 2023 · Hosting
- added Priority Hints Feb 2023 · Performance
2022 16 added · 1 dropped
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Apple Pay Aug 2022 · Payment processors
- added Boomerang Aug 2022 · JavaScript libraries
- added Cart Functionality Aug 2022 · Ecommerce
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added core-js Aug 2022 · JavaScript libraries
- added Google Workspace Aug 2022 · Email
- added LazySizes Aug 2022 · JavaScript libraries
- added Lodash Aug 2022 · JavaScript libraries
- added MailChimp Aug 2022 · Marketing automation
- added PayPal Aug 2022 · Payment processors
- added Shop Pay Aug 2022 · Payment processors
- added Shop Pay Jul 2022 · Payment processors
- added LazySizes Feb 2022 · JavaScript libraries
2021 7 added · 2 dropped
- dropped Wheelio Dec 2021 · Widgets
- added PayPal Nov 2021 · Payment processors
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Boomerang Jul 2021 · RUM
- added Cart Functionality Jul 2021 · Ecommerce
- added Lodash Jul 2021 · JavaScript libraries
- dropped Cart Functionality Jun 2021 · Ecommerce
- added MailChimp Feb 2021 · Marketing automation
2020 1 added
- added Cart Functionality Aug 2020 · Ecommerce