Technology history for citizenlab.co
Stack size over time
From 9 detected technologies in Aug 2018 to 52 in Jul 2025 (peak 54).
Currently detected
- Varnish since Aug 2018
- Intercom since Aug 2018
- jQuery since Aug 2018
- Google Tag Manager since Aug 2018
- React since Aug 2018
- Google Analytics since Aug 2018
- Nginx since Aug 2018
- YouTube since Jun 2019
- Google Font API since Jun 2019
- Webflow since Nov 2019
- Webpack since Feb 2020
- Amazon CloudFront since Feb 2020
- Amazon Web Services since Feb 2020
- Lodash since Feb 2020
- Google Maps since Feb 2020
- Polyfill since Feb 2020
- Segment since Feb 2020
- Sentry since Feb 2020
- Bootstrap since Sep 2020
- Linkedin Insight Tag since Feb 2021
- Twitter Ads since May 2021
- Twitter Analytics since May 2021
- styled-components since Jun 2021
- Google Optimize since Jul 2021
- core-js since Sep 2021
- cdnjs since Nov 2021
- ActiveCampaign since Feb 2022
- jsDelivr since Feb 2022
- Google Hosted Libraries since Mar 2022
- LottieFiles since Mar 2022
- Cloudflare since May 2022
- Google Workspace since Aug 2022
- PWA since Aug 2022
- Sendgrid since Aug 2022
- Pardot since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Salesforce Marketing Cloud Account Engagement since Dec 2022
- C since Feb 2023
- Next.js since Apr 2023
- Node.js since Apr 2023
- Typekit since May 2023
- Microsoft Advertising since May 2023
- Microsoft Clarity since May 2023
- Wix since Jun 2023
- Ahrefs since Jun 2023
- GSAP since Jun 2023
- Priority Hints since Jun 2023
- Leaflet since Aug 2023
- Livefyre since Aug 2023
- Loadable-Components since Aug 2023
- Prism since Aug 2023
Previously used
- Emotion Jul 2021 to Feb 2024 · 2 yrs
- List.js Sep 2020 to Jun 2023 · 2 yrs
- Mapbox GL JS Sep 2021 to Jun 2023 · 1 yr
- Recruitee Apr 2022 to Jun 2023 · 1 yr
- Ruby Sep 2020 to Jun 2023 · 2 yrs
- Ruby on Rails Sep 2020 to Jun 2023 · 2 yrs
- Smartlook Apr 2023 to Apr 2023 · 1 mo
- Cowboy Sep 2021 to Dec 2022 · 1 yr
- Google Cloud Nov 2022 to Dec 2022 · 1 mo
- Google Cloud CDN Nov 2022 to Dec 2022 · 1 mo
- HTTP/3 Nov 2022 to Dec 2022 · 1 mo
- Mailgun Nov 2022 to Dec 2022 · 1 mo
- Facebook Pixel Jul 2021 to Aug 2022 · 1 yr
- Fastly May 2022 to Aug 2022 · 3 mo
- Google Ads Conversion Tracking Jun 2022 to Aug 2022 · 2 mo
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Caddy Sep 2020 to Apr 2022 · 1 yr
- Facebook Aug 2018 to Apr 2022 · 3 yrs
- Go Sep 2020 to Apr 2022 · 1 yr
- Apollo Jan 2022 to Feb 2022 · 1 mo
- GraphQL Jan 2022 to Feb 2022 · 1 mo
- OpenResty Feb 2022 to Feb 2022 · 1 mo
- TypeScript Jan 2022 to Feb 2022 · 1 mo
- Hotjar Feb 2019 to Jan 2022 · 2 yrs
- Ubuntu Jul 2020 to Dec 2021 · 1 yr
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Heap Aug 2018 to Aug 2018 · 1 mo
Timeline
2024 2 dropped
2023 5 added · 12 dropped
- dropped List.js Sep 2023 · JavaScript libraries
- dropped Mapbox GL JS Sep 2023 · Maps
- dropped Recruitee Sep 2023 · Recruitment & staffing
- dropped Ruby Sep 2023 · Programming languages
- dropped Ruby on Rails Sep 2023 · Web frameworks
- added Ahrefs Jun 2023 · Analytics
- dropped Cowboy Jun 2023 · Web servers
- dropped Google Cloud Jun 2023 · IaaS
- dropped Google Cloud CDN Jun 2023 · CDN
- dropped HTTP/3 Jun 2023 · Miscellaneous
- dropped Mailgun Jun 2023 · Email
- dropped Smartlook Jun 2023 · Analytics
- added Microsoft Advertising May 2023 · Advertising
- added Microsoft Clarity May 2023 · Analytics
- dropped LottieFiles Apr 2023 · Miscellaneous
- added Smartlook Apr 2023 · Analytics
- added C Feb 2023 · Programming languages
2022 31 added · 10 dropped · 4 switched
- added Salesforce Marketing Cloud Account Engagement Dec 2022 · Marketing automation
- added Cowboy Nov 2022 · Web servers
- added Google Cloud Nov 2022 · IaaS
- added Google Cloud CDN Nov 2022 · CDN
- added HTTP/3 Nov 2022 · Miscellaneous
- added Mailgun Nov 2022 · Email
- dropped Fastly Oct 2022 · CDN
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Bootstrap Aug 2022 · UI frameworks
- added cdnjs Aug 2022 · CDN
- added Cloudflare Aug 2022 · CDN
- switched Google Ads Conversion Tracking Facebook Pixel Aug 2022 · Analytics
- added Fastly Aug 2022 · CDN
- switched Facebook Pixel Google Ads Conversion Tracking Aug 2022 · Analytics
- added Google Font API Aug 2022 · Font scripts
- added Google Hosted Libraries Aug 2022 · CDN
- added Google Optimize Aug 2022 · A/B Testing
- added Google Workspace Aug 2022 · Email
- added jsDelivr Aug 2022 · CDN
- switched Apollo List.js Aug 2022 · JavaScript libraries
- added LottieFiles Aug 2022 · Miscellaneous
- added Mapbox GL JS Aug 2022 · Maps
- added Pardot Aug 2022 · Marketing automation
- added PWA Aug 2022 · Miscellaneous
- added Recruitee Aug 2022 · Recruitment & staffing
- added Ruby Aug 2022 · Programming languages
- added Ruby on Rails Aug 2022 · Web frameworks
- added Sendgrid Aug 2022 · Email
- dropped Caddy Jul 2022 · Web servers
- dropped Cowboy Jul 2022 · Web servers
- dropped Go Jul 2022 · Programming languages
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Facebook Jun 2022 · Widgets
- switched Hotjar Google Ads Conversion Tracking Jun 2022 · Analytics
- added Cloudflare May 2022 · CDN
- added Fastly May 2022 · CDN
- dropped GraphQL May 2022 · Programming languages
- dropped TypeScript May 2022 · Programming languages
- added Google Hosted Libraries Mar 2022 · CDN
- added LottieFiles Mar 2022 · Miscellaneous
- added ActiveCampaign Feb 2022 · Email
- added jsDelivr Feb 2022 · CDN
- dropped Ubuntu Feb 2022 · Operating systems
- dropped Wheelio Feb 2022 · Widgets
2021 12 added · 1 dropped
- added cdnjs Nov 2021 · CDN
- added Hotjar Oct 2021 · Analytics
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Emotion Jul 2021 · JavaScript frameworks
- added Facebook Pixel Jul 2021 · Analytics
- added Google Optimize Jul 2021 · A/B Testing
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Intercom Jul 2021 · Live chat
- added Twitter Ads May 2021 · Advertising
- added Twitter Analytics May 2021 · Analytics
- dropped Intercom Mar 2021 · Analytics
- added Linkedin Insight Tag Feb 2021 · Analytics
2020 1 added · 1 dropped
2019 13 added · 6 dropped
- added Webflow Nov 2019 · Landing Page Builders
- added Intercom Oct 2019 · Analytics
- added Hotjar Sep 2019 · Analytics
- dropped Intercom Sep 2019 · Analytics
- dropped Google Font API Aug 2019 · Font Scripts
- added Google Tag Manager Jul 2019 · Tag Managers
- added Intercom Jul 2019 · Analytics
- added Google Font API Jun 2019 · Font Scripts
- added YouTube Jun 2019 · Video Players
- dropped Hotjar Apr 2019 · Analytics
- dropped Intercom Apr 2019 · Analytics
- added Facebook Mar 2019 · Widgets
- added Google Analytics Mar 2019 · Analytics
- dropped Google Tag Manager Mar 2019 · Tag Managers
- added jQuery Mar 2019 · JavaScript Libraries
- added Nginx Mar 2019 · Web Servers
- added Varnish Mar 2019 · Cache Tools
- added Hotjar Feb 2019 · Analytics
- dropped React Feb 2019 · JavaScript Frameworks
2018 1 dropped
- dropped Heap Oct 2018 · Analytics