Technology history for castle.io
Stack size over time
From 14 detected technologies in Apr 2019 to 41 in Jun 2026 (peak 53).
Currently detected
- Segment since Apr 2019
- Google Analytics since Apr 2019
- Netlify since Apr 2019
- Prism since Apr 2019
- Google Tag Manager since Feb 2020
- jsDelivr since Jul 2020
- Ruby since Dec 2020
- Ruby on Rails since Dec 2020
- Cloudflare since Dec 2020
- Linkedin Insight Tag since Feb 2021
- Google Font API since Jun 2021
- Alpine.js since Jun 2021
- Google Ads Conversion Tracking since Jul 2021
- core-js since Sep 2021
- ActiveCampaign since Feb 2022
- Tailwind CSS since Apr 2022
- Google Workspace since Aug 2022
- Sendgrid since Aug 2022
- Amazon Web Services since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- React since Oct 2022
- Sentry since Oct 2022
- Loadable-Components since Oct 2022
- Salesforce Marketing Cloud Account Engagement since Dec 2022
- Google Ads since Dec 2022
- HTTP/3 since Jan 2023
- ReadMe since Jan 2023
- Atlassian Statuspage since Jan 2023
- PWA since Mar 2023
- RSS since Sep 2023
- Ghost since Sep 2023
- Nginx since Sep 2023
- Node.js since Sep 2023
- OpenResty since Sep 2023
- Varnish since Sep 2023
- Render since Nov 2023
- PostHog since Apr 2024
- Cloudflare Bot Management since Oct 2024
- Tinybird since Nov 2025
- Astro since Feb 2026
Previously used
- Gravatar Mar 2025 to Mar 2026 · 1 yr
- Stripe Feb 2026 to Feb 2026 · 1 mo
- cdnjs Jul 2023 to Jan 2026 · 2 yrs
- Font Awesome Apr 2019 to Jan 2026 · 6 yrs
- GSAP Jul 2023 to Jan 2026 · 2 yrs
- Hugo Apr 2019 to Jan 2026 · 6 yrs
- Intercom Apr 2019 to Jan 2026 · 6 yrs
- Nette Framework Oct 2023 to Jan 2026 · 2 yrs
- PHP Oct 2023 to Jan 2026 · 2 yrs
- Swiper Jul 2023 to Jan 2026 · 2 yrs
- Wistia Nov 2022 to Jan 2026 · 3 yrs
- Heap Apr 2020 to Dec 2025 · 5 yrs
- Algolia Oct 2022 to May 2025 · 2 yrs
- Lodash Oct 2022 to Apr 2025 · 2 yrs
- PhotoSwipe Sep 2023 to Jan 2025 · 1 yr
- Appcues Sep 2021 to Jun 2024 · 2 yrs
- Google Optimize Jun 2021 to Mar 2024 · 2 yrs
- Unpkg Oct 2022 to Nov 2023 · 1 yr
- AngularJS Dec 2020 to Sep 2023 · 2 yrs
- Heroku Oct 2022 to Sep 2023 · 11 mo
- Hotjar Dec 2020 to Dec 2022 · 2 yrs
- Pardot Feb 2020 to Nov 2022 · 2 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- jQuery Apr 2019 to May 2021 · 2 yrs
- scrollreveal Apr 2019 to May 2021 · 2 yrs
- AddThis Feb 2020 to Feb 2021 · 1 yr
- Moat Feb 2021 to Feb 2021 · 1 mo
- Slick Feb 2020 to Sep 2020 · 7 mo
- Amplitude Apr 2019 to Jul 2020 · 1 yr
- Inspectlet Apr 2019 to Jul 2020 · 1 yr
- KISSmetrics Apr 2019 to Jul 2020 · 1 yr
- Mixpanel Apr 2019 to Jul 2020 · 1 yr
- Facebook Apr 2019 to Jun 2020 · 1 yr
Timeline
2026 10 dropped · 1 switched
- dropped Gravatar May 2026 · Miscellaneous
- dropped Stripe Apr 2026 · Payment processors
- dropped cdnjs Mar 2026 · CDN
- dropped Font Awesome Mar 2026 · Font scripts
- dropped GSAP Mar 2026 · JavaScript frameworks
- dropped Intercom Mar 2026 · Live chat
- dropped Nette Framework Mar 2026 · Web frameworks
- dropped PHP Mar 2026 · Programming languages
- dropped Swiper Mar 2026 · JavaScript libraries
- dropped Wistia Mar 2026 · Video players
- switched Hugo Astro Feb 2026 · Static site generator
2025 3 added · 4 dropped · 1 switched
- switched Heap Tinybird Nov 2025 · Analytics
- dropped Algolia Jul 2025 · Search engines
- added Cloudflare Bot Management Jun 2025 · Security
- dropped Lodash Jun 2025 · JavaScript libraries
- added Ruby Jun 2025 · Programming languages
- added Ruby on Rails Jun 2025 · Web frameworks
- dropped PhotoSwipe Apr 2025 · Photo galleries
- dropped Cloudflare Bot Management Jan 2025 · Security
2024 4 added · 3 dropped
- dropped Appcues Oct 2024 · User onboarding
- added Cloudflare Bot Management Oct 2024 · Security
- dropped Google Optimize May 2024 · A/B Testing
- added PostHog Apr 2024 · Analytics
- added Lodash Mar 2024 · JavaScript libraries
- added Sentry Mar 2024 · Issue trackers
- dropped Unpkg Jan 2024 · CDN
2023 8 added · 9 dropped
- dropped AngularJS Dec 2023 · JavaScript frameworks
- dropped Heroku Dec 2023 · PaaS
- dropped Sentry Dec 2023 · Issue trackers
- dropped Lodash Nov 2023 · JavaScript libraries
- dropped Wistia Nov 2023 · Video players
- added Nette Framework Oct 2023 · Web frameworks
- added PHP Oct 2023 · Programming languages
- added cdnjs Jul 2023 · CDN
- added GSAP Jul 2023 · JavaScript frameworks
- added jsDelivr Jul 2023 · CDN
- added Swiper Jul 2023 · JavaScript libraries
- added Tailwind CSS Jun 2023 · UI frameworks
- dropped AddThis Mar 2023 · Widgets
- dropped Ruby Mar 2023 · Programming languages
- dropped Ruby on Rails Mar 2023 · Web frameworks
- dropped Hotjar Feb 2023 · Analytics
- added Atlassian Statuspage Jan 2023 · Issue trackers
2022 10 added · 1 dropped · 1 switched
- added Google Ads Dec 2022 · Advertising
- added Hotjar Dec 2022 · Analytics
- switched Pardot Salesforce Marketing Cloud Account Engagement Dec 2022 · Marketing automation
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon Web Services Aug 2022 · PaaS
- added Google Workspace Aug 2022 · Email
- added Pardot Aug 2022 · Marketing automation
- added Sendgrid Aug 2022 · Email
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Tailwind CSS Apr 2022 · UI frameworks
- added ActiveCampaign Feb 2022 · Email
2021 14 added · 9 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Appcues Sep 2021 · User onboarding
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- dropped jQuery Jul 2021 · JavaScript libraries
- dropped scrollreveal Jul 2021 · JavaScript libraries
- added Alpine.js Jun 2021 · JavaScript frameworks
- added Font Awesome Jun 2021 · Font scripts
- added Google Font API Jun 2021 · Font scripts
- added Google Optimize Jun 2021 · A/B Testing
- added Hugo Jun 2021 · Static site generator
- added Linkedin Insight Tag Jun 2021 · Analytics
- added Netlify Jun 2021 · PaaS
- added Prism Jun 2021 · Miscellaneous
- dropped Linkedin Insight Tag Apr 2021 · Analytics
- dropped Moat Apr 2021 · Analytics
- dropped Font Awesome Mar 2021 · Font scripts
- dropped Hotjar Mar 2021 · Analytics
- dropped Pardot Mar 2021 · Marketing automation
- dropped Prism Mar 2021 · Miscellaneous
- added Linkedin Insight Tag Feb 2021 · Analytics
- added Moat Feb 2021 · Analytics
2020 2 added · 9 dropped · 1 switched
- added Hotjar Dec 2020 · Analytics
- dropped Hugo Nov 2020 · Static site generator
- dropped jsDelivr Nov 2020 · CDN
- dropped Netlify Nov 2020 · CDN
- switched Slick scrollreveal Oct 2020 · JavaScript libraries
- dropped Amplitude Sep 2020 · Analytics
- dropped Inspectlet Sep 2020 · Analytics
- dropped KISSmetrics Sep 2020 · Analytics
- dropped Mixpanel Sep 2020 · Analytics
- dropped Facebook Aug 2020 · Widgets
- added jsDelivr Jul 2020 · CDN
- dropped scrollreveal Apr 2020 · JavaScript Libraries