Technology history for pressbooks.com

2026 1 dropped

• dropped FingerprintJS Apr 2026 · JavaScript libraries

2025 10 added · 13 dropped · 1 switched

• dropped Elementor Sep 2025 · WordPress plugins
• dropped Google Hosted Libraries Sep 2025 · CDN
• dropped LazySizes Sep 2025 · Performance
• dropped Select2 Sep 2025 · JavaScript libraries
• dropped Swiper Sep 2025 · JavaScript libraries
• added FingerprintJS Aug 2025 · JavaScript libraries
• added Kadence WP Blocks Aug 2025 · WordPress plugins
• added Kadence WP Kadence Aug 2025 · WordPress themes
• added WordPress Block Editor Aug 2025 · Page builders
• switched CookieYes → HubSpot Cookie Policy Banner Jul 2025 · Cookie compliance
• dropped Lightbox Jul 2025 · JavaScript libraries
• dropped Microsoft Advertising Jul 2025 · Advertising
• added Preact Jul 2025 · JavaScript libraries
• added Swiper Jul 2025 · JavaScript libraries
• dropped WP-Optimize Jun 2025 · WordPress plugins
• added Microsoft Advertising May 2025 · Advertising
• dropped Bootstrap Mar 2025 · UI frameworks
• dropped Bootstrap Icons Mar 2025 · Font scripts
• dropped GSAP Mar 2025 · JavaScript frameworks
• dropped Slider Revolution Mar 2025 · Widgets
• added YouTube Mar 2025 · Video players
• added LazySizes Feb 2025 · Performance
• added WP-Optimize Feb 2025 · WordPress plugins
• dropped WordPress Super Cache Jan 2025 · WordPress plugins

2024 16 added · 7 dropped · 1 switched

• switched OWL Carousel → Lightbox Dec 2024 · JavaScript libraries
• dropped Kadence WP Blocks Oct 2024 · WordPress plugins
• dropped Matomo Analytics Oct 2024 · Analytics
• dropped The SEO Framework Oct 2024 · WordPress plugins
• dropped WordPress Block Editor Oct 2024 · Page builders
• added WordPress Super Cache Oct 2024 · WordPress plugins
• added Yoast SEO Oct 2024 · WordPress plugins
• added Bootstrap Sep 2024 · UI frameworks
• added Bootstrap Icons Sep 2024 · Font scripts
• added Elementor Sep 2024 · WordPress plugins
• added Google Hosted Libraries Sep 2024 · CDN
• added GSAP Sep 2024 · JavaScript frameworks
• added OWL Carousel Sep 2024 · JavaScript libraries
• added Select2 Sep 2024 · JavaScript libraries
• added Slider Revolution Sep 2024 · Widgets
• added Kadence WP Blocks Aug 2024 · WordPress plugins
• added HubSpot Analytics Jul 2024 · Analytics
• added HubSpot WordPress plugin Jul 2024 · WordPress plugins
• added Matomo Analytics Jul 2024 · Analytics
• added WordPress Block Editor Jul 2024 · Page builders
• dropped HubSpot Analytics May 2024 · Analytics
• dropped HubSpot WordPress plugin May 2024 · WordPress plugins
• dropped Matomo Analytics May 2024 · Analytics
• added Linkedin Insight Tag Feb 2024 · Analytics

2023 17 added · 5 dropped · 1 switched

• dropped Google Optimize Dec 2023 · A/B Testing
• dropped Slick Dec 2023 · JavaScript libraries
• added Cloudflare Sep 2023 · CDN
• added Cloudflare Bot Management Sep 2023 · Security
• added HubSpot Analytics Sep 2023 · Analytics
• added HubSpot WordPress plugin Sep 2023 · WordPress plugins
• added Matomo Analytics Sep 2023 · Analytics
• added HubSpot Aug 2023 · Marketing automation
• dropped Gutenberg Jun 2023 · WordPress plugins
• dropped Kadence WP Blocks Jun 2023 · WordPress plugins
• added Priority Hints Jun 2023 · Performance
• added CookieYes May 2023 · Cookie compliance
• added Google Optimize May 2023 · A/B Testing
• added Google Tag Manager May 2023 · Tag managers
• added Open Graph May 2023 · Miscellaneous
• added Performance Lab May 2023 · WordPress plugins
• switched AOS → Slick May 2023 · JavaScript libraries
• added The SEO Framework May 2023 · WordPress plugins
• dropped C Apr 2023 · Programming languages
• added CookieYes Apr 2023 · Cookie compliance
• added Gutenberg Apr 2023 · WordPress plugins
• added Kadence WP Blocks Apr 2023 · WordPress plugins
• added C Feb 2023 · Programming languages

2022 21 added · 2 dropped

• added RSS Dec 2022 · Miscellaneous
• added HSTS Sep 2022 · Security
• added Amazon ALB Aug 2022 · Load balancers
• added Amazon CloudFront Aug 2022 · CDN
• added Amazon Web Services Aug 2022 · PaaS
• added AOS Aug 2022 · JavaScript libraries
• added Cart Functionality Aug 2022 · Ecommerce
• added Google Optimize Aug 2022 · A/B Testing
• added Google Tag Manager Aug 2022 · Tag managers
• added Google Workspace Aug 2022 · Webmail
• added PWA Aug 2022 · Miscellaneous
• added Site Kit Aug 2022 · WordPress plugins
• added Slick Aug 2022 · JavaScript libraries
• added The Events Calendar Aug 2022 · WordPress plugins
• added The SEO Framework Aug 2022 · WordPress plugins
• added Zendesk Aug 2022 · Issue trackers
• dropped Google Remarketing Tag Jul 2022 · Retargeting
• added The SEO Framework Jul 2022 · WordPress plugins
• dropped Tailwind CSS Jun 2022 · UI frameworks
• added The Events Calendar Jun 2022 · WordPress plugins
• added Popper Apr 2022 · Miscellaneous
• added Tailwind CSS Apr 2022 · UI frameworks
• added Amazon CloudFront Jan 2022 · CDN

2021 10 added · 3 dropped

• added Amazon ALB Dec 2021 · Load balancers
• added Amazon Web Services Dec 2021 · PaaS
• added Wheelio Sep 2021 · Widgets
• added Cart Functionality Jul 2021 · Ecommerce
• added Google Remarketing Tag Jul 2021 · Retargeting
• added AOS Jun 2021 · JavaScript libraries
• dropped Cart Functionality Jun 2021 · Ecommerce
• added Google Optimize Jun 2021 · A/B Testing
• dropped MailChimp Jun 2021 · Marketing automation
• added Sentry Jun 2021 · Issue trackers
• added Site Kit Jun 2021 · Analytics
• dropped YouTube Jun 2021 · Video players
• added Slick May 2021 · JavaScript libraries

2020 3 added

• added Cart Functionality Aug 2020 · Ecommerce
• added Redis Jul 2020 · Caching
• added Redis Object Cache Jul 2020 · Caching

2019 2 added

• added Google Tag Manager Aug 2019 · Tag Managers
• added MailChimp May 2019 · Marketing Automation

2018 7 added

• added jQuery UI Dec 2018 · JavaScript Libraries
• added Facebook Jun 2018 · Widgets
• added Google Analytics Jun 2018 · Analytics
• added Google Analytics Enhanced eCommerce Jun 2018 · Analytics
• added MySQL Jun 2018 · Databases
• added PHP Jun 2018 · Programming Languages
• added Twitter Emoji (Twemoji) Jun 2018 · Miscellaneous