Technology history for holidaysystems.com
Stack size over time
From 7 detected technologies in Jan 2019 to 75 in Jun 2026.
Currently detected
- jQuery UI since Jan 2019
- jQuery Migrate since Jan 2019
- jQuery since Jan 2019
- Microsoft ASP.NET since Jan 2019
- Chart.js since Nov 2020
- Babel since Nov 2020
- Font Awesome since Nov 2020
- GSAP since Nov 2020
- MediaElement.js since Nov 2020
- MySQL since Nov 2020
- Google Font API since Nov 2020
- OWL Carousel since Nov 2020
- PHP since Nov 2020
- WP Engine since Nov 2020
- Google Maps since Nov 2020
- Modernizr since Nov 2020
- prettyPhoto since Nov 2020
- Twitter Emoji (Twemoji) since Nov 2020
- Slider Revolution since Nov 2020
- WordPress since Nov 2020
- Google Analytics since Jan 2021
- Google Tag Manager since Jan 2021
- Bootstrap since Feb 2021
- Swiper Slider since May 2021
- Cloudflare since Jun 2021
- Isotope since Jul 2021
- Animate.css since Sep 2021
- Moment.js since Sep 2021
- core-js since Sep 2021
- Hotjar since Sep 2021
- SweetAlert2 since Sep 2021
- GTranslate since Feb 2022
- Google Tag Manager for WordPress since Feb 2022
- wpBakery since Feb 2022
- Weglot since Apr 2022
- Salesforce since Aug 2022
- HTTP/3 since Sep 2022
- Swiper since Sep 2022
- RSS since Dec 2022
- Preact since Feb 2023
- Affirm since Mar 2023
- Cloudinary since Mar 2023
- DataTables since Mar 2023
- Django since Mar 2023
- HSTS since Mar 2023
- Lodash since Mar 2023
- Mixpanel since Mar 2023
- AOS since Mar 2023
- Browser-Update.org since Mar 2023
- Emotion since Mar 2023
- FancyBox since Mar 2023
- Heap since Mar 2023
- Sentry since Mar 2023
- jsDelivr since Mar 2023
- PWA since Mar 2023
- Python since Mar 2023
- Transifex since Mar 2023
- Mouse Flow since Mar 2023
- Select2 since Mar 2023
- Facebook Pixel since May 2023
- Open Graph since May 2023
- Yoast SEO since May 2023
- WordPress Multisite since Jul 2023
- React since Aug 2023
- Priority Hints since Sep 2023
- Amazon CloudFront since Jun 2024
- Apache HTTP Server since Jun 2024
- Amazon Web Services since Jun 2024
- Facebook Login since Dec 2024
- Google Sign-in since Dec 2024
- Unpkg since Dec 2024
- LazySizes since May 2025
- Cloudflare Browser Insights since Nov 2025
- Cloudflare Bot Management since Feb 2026
- Typekit since Feb 2026
Previously used
- Complianz May 2023 to Feb 2024 · 9 mo
- gunicorn Mar 2023 to Nov 2023 · 8 mo
- HappyFox Live Chat Mar 2023 to Nov 2023 · 8 mo
- Heroku Mar 2023 to Nov 2023 · 8 mo
- Google Optimize Sep 2021 to Oct 2023 · 2 yrs
- PostHog Apr 2023 to Jul 2023 · 3 mo
- Datadog Jun 2022 to Mar 2023 · 9 mo
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- IIS Jan 2019 to May 2022 · 3 yrs
- Windows Server Jan 2019 to May 2022 · 3 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Google Analytics Enhanced eCommerce Sep 2021 to Sep 2021 · 1 mo
- TrackJs Feb 2021 to Jun 2021 · 4 mo
- Choices Apr 2021 to May 2021 · 1 mo
- Nginx Nov 2020 to May 2021 · 6 mo
- FlexSlider Jan 2019 to Sep 2020 · 1 yr
Timeline
2026 1 added
- added Priority Hints Mar 2026 · Performance
2025 2 added
- added Cloudflare Browser Insights Nov 2025 · Analytics
- added LazySizes May 2025 · JavaScript libraries
2024 3 added · 5 dropped
- added Facebook Login Dec 2024 · Authentication
- added Google Sign-in Dec 2024 · Authentication
- added Unpkg Dec 2024 · CDN
- dropped Complianz Apr 2024 · WordPress plugins
- dropped Priority Hints Mar 2024 · Performance
- dropped gunicorn Feb 2024 · Web servers
- dropped HappyFox Live Chat Feb 2024 · Live chat
- dropped Heroku Feb 2024 · PaaS
2023 9 added · 3 dropped
- dropped Google Optimize Dec 2023 · A/B Testing
- dropped PostHog Sep 2023 · Analytics
- added Priority Hints Sep 2023 · Performance
- added React Aug 2023 · JavaScript frameworks
- added WordPress Multisite Jul 2023 · Hosting
- added Complianz May 2023 · WordPress plugins
- dropped Datadog May 2023 · Analytics
- added Facebook Pixel May 2023 · Analytics
- added Open Graph May 2023 · Miscellaneous
- added Yoast SEO May 2023 · WordPress plugins
- added PostHog Apr 2023 · Analytics
- added Preact Feb 2023 · JavaScript libraries
2022 11 added · 4 dropped
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added RSS Dec 2022 · Miscellaneous
- added HTTP/3 Sep 2022 · Miscellaneous
- added Swiper Sep 2022 · JavaScript libraries
- added Salesforce Aug 2022 · CRM
- dropped IIS Jul 2022 · Web servers
- dropped Windows Server Jul 2022 · Operating systems
- added Datadog Jun 2022 · RUM
- added Hotjar May 2022 · Analytics
- added Weglot Apr 2022 · Translation
- dropped Hotjar Mar 2022 · Analytics
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Google Tag Manager for WordPress Feb 2022 · WordPress plugins
- added GTranslate Feb 2022 · Translation
- added wpBakery Feb 2022 · Page builders
2021 24 added · 18 dropped
- dropped Wheelio Dec 2021 · Widgets
- dropped Google Analytics Enhanced eCommerce Nov 2021 · Analytics
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- dropped TrackJs Aug 2021 · Analytics
- added Babel Jul 2021 · Miscellaneous
- dropped Choices Jul 2021 · Miscellaneous
- added GSAP Jul 2021 · JavaScript frameworks
- dropped IIS Jul 2021 · Web servers
- added Isotope Jul 2021 · JavaScript libraries
- added jQuery UI Jul 2021 · JavaScript libraries
- added MediaElement.js Jul 2021 · Video players
- dropped Microsoft ASP.NET Jul 2021 · Web frameworks
- dropped Nginx Jul 2021 · Reverse proxies
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- dropped Windows Server Jul 2021 · Operating systems
- added Cloudflare Jun 2021 · CDN
- added Swiper Slider May 2021 · Miscellaneous
- added Choices Apr 2021 · Miscellaneous
- added Google Analytics Apr 2021 · Analytics
- added Google Tag Manager Apr 2021 · Tag managers
- added IIS Apr 2021 · Web servers
- added Microsoft ASP.NET Apr 2021 · Web frameworks
- added Windows Server Apr 2021 · Operating systems
- dropped Babel Mar 2021 · Miscellaneous
- dropped Google Analytics Mar 2021 · Analytics
- dropped Google Tag Manager Mar 2021 · Tag managers
- dropped GSAP Mar 2021 · JavaScript frameworks
- dropped IIS Mar 2021 · Web servers
- added jQuery Migrate Mar 2021 · JavaScript libraries
- dropped jQuery UI Mar 2021 · JavaScript libraries
- dropped MediaElement.js Mar 2021 · Video players
- dropped Microsoft ASP.NET Mar 2021 · Web frameworks
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- dropped Windows Server Mar 2021 · Operating systems
- added Bootstrap Feb 2021 · UI frameworks
- added TrackJs Feb 2021 · Analytics
- added Google Analytics Jan 2021 · Analytics
- added Google Tag Manager Jan 2021 · Tag managers
- added IIS Jan 2021 · Web servers
- added Microsoft ASP.NET Jan 2021 · Web frameworks
- added Windows Server Jan 2021 · Operating systems
2020 16 added · 4 dropped · 1 switched
- dropped IIS Dec 2020 · Web servers
- dropped Microsoft ASP.NET Dec 2020 · Web frameworks
- dropped Windows Server Dec 2020 · Operating systems
- added Babel Nov 2020 · Miscellaneous
- added Chart.js Nov 2020 · JavaScript graphics
- added Font Awesome Nov 2020 · Font scripts
- added Google Font API Nov 2020 · Font scripts
- added Google Maps Nov 2020 · Maps
- added GSAP Nov 2020 · JavaScript frameworks
- dropped jQuery Migrate Nov 2020 · JavaScript libraries
- added MediaElement.js Nov 2020 · Video players
- added Modernizr Nov 2020 · JavaScript libraries
- added MySQL Nov 2020 · Databases
- added Nginx Nov 2020 · Web servers
- switched FlexSlider OWL Carousel Nov 2020 · Widgets
- added PHP Nov 2020 · Programming languages
- added prettyPhoto Nov 2020 · JavaScript libraries
- added Slider Revolution Nov 2020 · Miscellaneous
- added Twitter Emoji (Twemoji) Nov 2020 · Miscellaneous
- added WordPress Nov 2020 · Blogs
- added WP Engine Nov 2020 · PaaS
2019 7 added
- added FlexSlider Mar 2019 · Widgets
- added IIS Mar 2019 · Web Servers
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added Microsoft ASP.NET Mar 2019 · Web Frameworks
- added Windows Server Mar 2019 · Operating Systems