Technology history for harpercollins.co.uk
Stack size over time
From 7 detected technologies in May 2018 to 63 in Jun 2026 (peak 65).
Currently detected
- WordPress since May 2018
- Cloudflare since May 2018
- jQuery since May 2018
- Font Awesome since May 2018
- Google Tag Manager since May 2018
- Google Analytics since Jun 2018
- MySQL since Jun 2018
- PHP since Jun 2018
- Sucuri since Aug 2018
- Nginx since Aug 2018
- Google Font API since Aug 2018
- jQuery Migrate since Jul 2020
- OneTrust since Aug 2020
- Swiper Slider since Oct 2020
- Vue.js since Oct 2020
- Apple Pay since Oct 2020
- Bootstrap since Oct 2020
- Cart Functionality since Oct 2020
- jsDelivr since Oct 2020
- Polyfill since Oct 2020
- Shopify since Oct 2020
- Yoast SEO since Dec 2020
- Popper since Feb 2021
- Sailthru since Apr 2021
- Twitter Emoji (Twemoji) since Jun 2021
- Algolia since Jun 2021
- Axios since Jun 2021
- New Relic since Jun 2021
- Wheelio since Sep 2021
- core-js since Sep 2021
- Shogun since Sep 2021
- Boomerang since Oct 2021
- cdnjs since Oct 2021
- Pinterest Conversion Tag since Oct 2021
- PayPal since Nov 2021
- jQuery CDN since Feb 2022
- Shop Pay since Feb 2022
- Google Hosted Libraries since Jul 2022
- Dropbox since Aug 2022
- MailChimp since Aug 2022
- Salesforce since Aug 2022
- Swiper since Sep 2022
- Open Graph since Sep 2022
- HTTP/3 since Sep 2022
- HSTS since Sep 2022
- Elevar since Jan 2023
- Shogun Page Builder since Jan 2023
- Shogun Landing Page Builder since Jan 2023
- GSAP since Feb 2023
- Priority Hints since Feb 2023
- WordPress Multisite since Jul 2023
- DocuSign since Jul 2023
- AWIN since Sep 2023
- Facebook Pixel since Sep 2023
- Hotjar since Sep 2023
- RSS since Oct 2023
- WordPress Block Editor since Jul 2024
- Site Kit since Feb 2025
- LazySizes since Mar 2025
- Spectra since Jul 2025
- Astra since Jul 2025
- Amazon SES since Dec 2025
- Amazon Web Services since Dec 2025
Previously used
- Back In Stock Nov 2024 to Dec 2025 · 1 yr
- CareCart Sales Pop Up Apr 2025 to May 2025 · 1 mo
- Moment.js Apr 2025 to May 2025 · 1 mo
- Cloudflare Bot Management Apr 2025 to Apr 2025 · 1 mo
- Smash Balloon Instagram Feed Feb 2022 to Apr 2025 · 3 yrs
- WPMU DEV Smush Mar 2025 to Apr 2025 · 1 mo
- CookieYes Jun 2021 to Mar 2025 · 3 yrs
- Envoy Apr 2024 to Apr 2024 · 1 mo
- React Mar 2022 to Sep 2023 · 1 yr
- Lodash Mar 2022 to Aug 2023 · 1 yr
- AddThis May 2018 to May 2023 · 5 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Java Oct 2021 to Dec 2022 · 1 yr
- Cloudflare Network Error Logging Aug 2022 to Oct 2022 · 2 mo
- Shopify Buy Button Jun 2022 to Jul 2022 · 1 mo
- Easy Redirects Apr 2022 to Apr 2022 · 1 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Animate.css May 2018 to May 2021 · 3 yrs
- Kinsta Mar 2020 to May 2021 · 1 yr
- Twitter Dec 2020 to May 2021 · 5 mo
- Babel Jun 2020 to Oct 2020 · 4 mo
- Handlebars Jun 2018 to Oct 2020 · 2 yrs
- jQuery UI Jun 2018 to Oct 2020 · 2 yrs
- Slick Jun 2018 to Oct 2020 · 2 yrs
- Facebook Jun 2018 to Oct 2019 · 1 yr
- FancyBox Jun 2018 to Oct 2019 · 1 yr
- Google Analytics Enhanced eCommerce Jun 2018 to Oct 2019 · 1 yr
Timeline
2026 2 added · 1 dropped
- added Salesforce May 2026 · CRM
- dropped Back In Stock Feb 2026 · Shopify apps
- added Twitter Emoji (Twemoji) Feb 2026 · Font scripts
2025 11 added · 6 dropped · 1 switched
- added Amazon SES Dec 2025 · Email
- added Amazon Web Services Dec 2025 · PaaS
- added New Relic Aug 2025 · RUM
- added Astra Jul 2025 · WordPress themes
- dropped CareCart Sales Pop Up Jul 2025 · Shopify apps
- switched Moment.js LazySizes Jul 2025 · JavaScript libraries
- added Spectra Jul 2025 · WordPress plugins
- dropped Cloudflare Bot Management Jun 2025 · Security
- dropped LazySizes Jun 2025 · JavaScript libraries
- dropped Smash Balloon Instagram Feed Jun 2025 · WordPress plugins
- dropped WPMU DEV Smush Jun 2025 · WordPress plugins
- dropped CookieYes May 2025 · Cookie compliance
- added CareCart Sales Pop Up Apr 2025 · Shopify apps
- added Cloudflare Bot Management Apr 2025 · Security
- added Moment.js Apr 2025 · JavaScript libraries
- added LazySizes Mar 2025 · JavaScript libraries
- added WPMU DEV Smush Mar 2025 · WordPress plugins
- added Site Kit Feb 2025 · WordPress plugins
2024 3 added · 1 dropped
- added Back In Stock Nov 2024 · Shopify apps
- added WordPress Block Editor Jul 2024 · Page builders
- dropped Envoy Jun 2024 · Reverse proxies
- added Envoy Apr 2024 · Reverse proxies
2023 12 added · 7 dropped · 1 switched
- dropped React Nov 2023 · JavaScript frameworks
- dropped Lodash Oct 2023 · JavaScript libraries
- added RSS Oct 2023 · Miscellaneous
- dropped Twitter Emoji (Twemoji) Oct 2023 · Font scripts
- added AWIN Sep 2023 · Affiliate programs
- added Facebook Pixel Sep 2023 · Analytics
- added Hotjar Sep 2023 · Analytics
- dropped AddThis Jul 2023 · Widgets
- added DocuSign Jul 2023 · Miscellaneous
- dropped Salesforce Jul 2023 · CRM
- added WordPress Multisite Jul 2023 · Hosting
- dropped C Apr 2023 · Programming languages
- dropped New Relic Apr 2023 · RUM
- switched Java C Feb 2023 · Programming languages
- added GSAP Feb 2023 · JavaScript frameworks
- added Priority Hints Feb 2023 · Performance
- added Elevar Jan 2023 · Analytics
- added Google Analytics Jan 2023 · Analytics
- added Shogun Landing Page Builder Jan 2023 · Shopify apps
- added Shogun Page Builder Jan 2023 · Page builders
2022 39 added · 3 dropped · 1 switched
- 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
- dropped Shopify Buy Button Sep 2022 · Shopify apps
- added Swiper Sep 2022 · JavaScript libraries
- added AddThis Aug 2022 · Widgets
- added Boomerang Aug 2022 · JavaScript libraries
- added cdnjs Aug 2022 · CDN
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added CookieYes Aug 2022 · Cookie compliance
- added Dropbox Aug 2022 · Digital asset management
- added Google Hosted Libraries Aug 2022 · CDN
- added Java Aug 2022 · Programming languages
- added jQuery CDN Aug 2022 · CDN
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added Lodash Aug 2022 · JavaScript libraries
- added MailChimp Aug 2022 · Marketing automation
- added MySQL Aug 2022 · Databases
- added New Relic Aug 2022 · RUM
- added PayPal Aug 2022 · Payment processors
- added PHP Aug 2022 · Programming languages
- added Pinterest Conversion Tag Aug 2022 · Analytics
- added React Aug 2022 · JavaScript frameworks
- added Salesforce Aug 2022 · CRM
- added Shop Pay Aug 2022 · Payment processors
- added Smash Balloon Instagram Feed Aug 2022 · WordPress plugins
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added WordPress Aug 2022 · CMS
- added Yoast SEO Aug 2022 · WordPress plugins
- added Google Hosted Libraries Jul 2022 · CDN
- added Java Jun 2022 · Programming languages
- added New Relic Jun 2022 · RUM
- switched Easy Redirects Shopify Buy Button Jun 2022 · Shopify apps
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Easy Redirects Apr 2022 · Shopify apps
- added Tailwind CSS Apr 2022 · UI frameworks
- added Lodash Mar 2022 · JavaScript libraries
- added React Mar 2022 · JavaScript frameworks
- added jQuery CDN Feb 2022 · CDN
- added Pinterest Conversion Tag Feb 2022 · Analytics
- added Shop Pay Feb 2022 · Payment processors
- added Smash Balloon Instagram Feed Feb 2022 · WordPress plugins
2021 17 added · 8 dropped
- dropped Java Dec 2021 · Programming languages
- dropped New Relic Dec 2021 · Analytics
- dropped Pinterest Conversion Tag Dec 2021 · Analytics
- added PayPal Nov 2021 · Payment processors
- added Boomerang Oct 2021 · RUM
- added cdnjs Oct 2021 · CDN
- added Java Oct 2021 · Programming languages
- added Pinterest Conversion Tag Oct 2021 · Analytics
- added core-js Sep 2021 · JavaScript libraries
- added Shogun Sep 2021 · Page builders
- added Wheelio Sep 2021 · Widgets
- dropped Animate.css Jul 2021 · UI frameworks
- dropped Google Analytics Jul 2021 · Analytics
- dropped Kinsta Jul 2021 · PaaS
- dropped Twitter Jul 2021 · Widgets
- added AddThis Jun 2021 · Widgets
- added Algolia Jun 2021 · Search engines
- added Axios Jun 2021 · JavaScript libraries
- added CookieYes Jun 2021 · Cookie compliance
- added jQuery Migrate Jun 2021 · JavaScript libraries
- added New Relic Jun 2021 · Analytics
- added Twitter Emoji (Twemoji) Jun 2021 · Font scripts
- added Sailthru Apr 2021 · Personalisation
- dropped jQuery Migrate Feb 2021 · JavaScript libraries
- added Popper Feb 2021 · Miscellaneous
2020 12 added · 4 dropped · 1 switched
- dropped Babel Dec 2020 · Miscellaneous
- dropped jQuery UI Dec 2020 · JavaScript libraries
- dropped Slick Dec 2020 · JavaScript libraries
- added Apple Pay Oct 2020 · Payment processors
- added Bootstrap Oct 2020 · UI frameworks
- added Cart Functionality Oct 2020 · Ecommerce
- added Font Awesome Oct 2020 · Font scripts
- added jsDelivr Oct 2020 · CDN
- added Polyfill Oct 2020 · JavaScript libraries
- added Shopify Oct 2020 · Ecommerce
- added Swiper Slider Oct 2020 · Miscellaneous
- switched Handlebars Vue.js Oct 2020 · JavaScript frameworks
- added OneTrust Aug 2020 · Cookie compliance
- dropped Font Awesome Jul 2020 · Font scripts
- added jQuery Migrate Jul 2020 · JavaScript libraries
- added Babel Jun 2020 · Miscellaneous
- added Kinsta Mar 2020 · PaaS
2019 5 dropped
- dropped AddThis Dec 2019 · Widgets
- dropped Facebook Dec 2019 · Widgets
- dropped FancyBox Dec 2019 · JavaScript Libraries
- dropped Google Analytics Dec 2019 · Analytics
- dropped Google Analytics Enhanced eCommerce Dec 2019 · Analytics
2018 9 added
- added Facebook Jun 2018 · Widgets
- added FancyBox Jun 2018 · JavaScript Frameworks
- added Google Analytics Jun 2018 · Analytics
- added Google Analytics Enhanced eCommerce Jun 2018 · Analytics
- added Handlebars Jun 2018 · JavaScript Frameworks
- added jQuery UI Jun 2018 · JavaScript Frameworks
- added MySQL Jun 2018 · Databases
- added PHP Jun 2018 · Programming Languages
- added Slick Jun 2018 · JavaScript Frameworks