Technology history for booking.cn

2026 3 added · 2 dropped

• added Open Graph May 2026 · Miscellaneous
• added Reddit Ads May 2026 · Advertising
• dropped ID5 Apr 2026 · Advertising
• added ID5 Feb 2026 · Advertising
• dropped ID5 Jan 2026 · Advertising

2025 10 added · 8 dropped · 1 switched

• added Envoy Nov 2025 · Reverse proxies
• added Booking.com Aug 2025 · Affiliate programs
• added Booking.com widget Aug 2025 · Widgets
• switched Google AdSense → theTradeDesk Aug 2025 · Advertising
• dropped Booking.com Jul 2025 · Affiliate programs
• dropped Booking.com widget Jul 2025 · Widgets
• dropped Cloudflare Jun 2025 · CDN
• dropped Cloudflare Bot Management Jun 2025 · Security
• added Booking.com May 2025 · Affiliate programs
• added Booking.com widget May 2025 · Widgets
• added Google AdSense May 2025 · Advertising
• dropped Booking.com Apr 2025 · Affiliate programs
• dropped Booking.com widget Apr 2025 · Widgets
• added Cloudflare Apr 2025 · CDN
• added Cloudflare Bot Management Apr 2025 · Security
• added Criteo Apr 2025 · Advertising
• dropped Google AdSense Apr 2025 · Advertising
• dropped Pinterest Conversion Tag Apr 2025 · Analytics
• added Tengine Mar 2025 · Web servers

2024 3 added · 2 dropped

• added React Jul 2024 · JavaScript frameworks
• dropped Google Sign-in Jun 2024 · Authentication
• added Lodash May 2024 · JavaScript libraries
• dropped React Apr 2024 · JavaScript frameworks
• added Google AdSense Mar 2024 · Advertising

2023 24 added · 4 dropped · 1 switched

• dropped Loadable-Components Nov 2023 · JavaScript libraries
• added Loadable-Components Aug 2023 · JavaScript libraries
• dropped Nginx Aug 2023 · Web servers
• added Google Publisher Tag Jun 2023 · Advertising
• added Amazon CloudFront May 2023 · CDN
• added Amazon Web Services May 2023 · PaaS
• added Booking.com May 2023 · Affiliate programs
• added Booking.com widget May 2023 · Widgets
• added Cart Functionality May 2023 · Ecommerce
• added core-js May 2023 · JavaScript libraries
• added Google Analytics May 2023 · Analytics
• added Google Analytics Enhanced eCommerce May 2023 · Analytics
• dropped Google Publisher Tag May 2023 · Advertising
• added Google Sign-in May 2023 · Authentication
• added Google Tag Manager May 2023 · Tag managers
• added HSTS May 2023 · Security
• added jQuery May 2023 · JavaScript libraries
• added Microsoft Advertising May 2023 · Advertising
• added Naver Analytics May 2023 · Analytics
• switched OpenResty → Nginx May 2023 · Web servers
• added OneTrust May 2023 · Cookie compliance
• added OpenResty May 2023 · Web servers
• added PerimeterX May 2023 · Security
• added Pinterest Conversion Tag May 2023 · Analytics
• added PubSubJS May 2023 · JavaScript libraries
• added React May 2023 · JavaScript frameworks
• added reCAPTCHA May 2023 · Security
• dropped C Apr 2023 · Programming languages
• added C Feb 2023 · Programming languages

2022 23 added · 8 dropped

• dropped Google Ads Conversion Tracking Dec 2022 · Analytics
• added HSTS Sep 2022 · Security
• added Booking.com Aug 2022 · Affiliate programs
• added Booking.com widget Aug 2022 · Widgets
• added Cart Functionality Aug 2022 · Ecommerce
• added Google Ads Conversion Tracking Aug 2022 · Analytics
• added Google Analytics Aug 2022 · Analytics
• added Google Analytics Enhanced eCommerce Aug 2022 · Analytics
• added Google Sign-in Aug 2022 · Authentication
• added Google Tag Manager Aug 2022 · Tag managers
• added jQuery Aug 2022 · JavaScript libraries
• added Microsoft Advertising Aug 2022 · Advertising
• added Naver Analytics Aug 2022 · Analytics
• added OneTrust Aug 2022 · Cookie compliance
• added PerimeterX Aug 2022 · Security
• added Pinterest Conversion Tag Aug 2022 · Analytics
• added PubSubJS Aug 2022 · JavaScript libraries
• added reCAPTCHA Aug 2022 · Security
• dropped Google Remarketing Tag Jul 2022 · Retargeting
• added React Jun 2022 · JavaScript frameworks
• dropped Tailwind CSS Jun 2022 · UI frameworks
• added PubSubJS May 2022 · JavaScript libraries
• dropped React May 2022 · JavaScript frameworks
• added Booking.com Apr 2022 · Affiliate programs
• added Booking.com widget Apr 2022 · Widgets
• added Naver Analytics Apr 2022 · Analytics
• dropped Snap Pixel Apr 2022 · Advertising
• added Tailwind CSS Apr 2022 · UI frameworks
• dropped Cloudflare Jan 2022 · CDN
• dropped Cloudflare Bot Management Jan 2022 · Security
• dropped Criteo Jan 2022 · Advertising

2021 17 added · 5 dropped

• dropped Wheelio Dec 2021 · Widgets
• added Cart Functionality Nov 2021 · Ecommerce
• added Cloudflare Nov 2021 · CDN
• added Cloudflare Bot Management Nov 2021 · Security
• added Criteo Nov 2021 · Advertising
• dropped Facebook Pixel Nov 2021 · Analytics
• added Google Sign-in Nov 2021 · Authentication
• dropped Lodash Nov 2021 · JavaScript libraries
• added OneTrust Oct 2021 · Cookie compliance
• dropped Criteo Sep 2021 · Retargeting
• added Lodash Sep 2021 · JavaScript libraries
• added React Sep 2021 · JavaScript libraries
• added Wheelio Sep 2021 · Widgets
• dropped Google Sign-in Aug 2021 · Social logins
• added Facebook Pixel Jul 2021 · Analytics
• added Google Ads Conversion Tracking Jul 2021 · Analytics
• added Google Analytics Enhanced eCommerce Jul 2021 · Analytics
• added Google Remarketing Tag Jul 2021 · Retargeting
• added jQuery Jul 2021 · JavaScript libraries
• added PerimeterX Jul 2021 · Security
• added Pinterest Conversion Tag Jul 2021 · Analytics
• added Snap Pixel Jul 2021 · Advertising