Technology history for klaviyo.com
Stack size over time
From 9 detected technologies in Apr 2018 to 147 in Jun 2026.
Currently detected
- Nginx since Apr 2018
- Underscore.js since Apr 2018
- Bootstrap since Apr 2018
- jQuery since Apr 2018
- jQuery Migrate since Apr 2018
- Heap since May 2018
- Google Analytics since Jun 2018
- Font Awesome since Jul 2018
- Ruby on Rails since Aug 2018
- Ruby since Aug 2018
- Webpack since Aug 2018
- Moment.js since Aug 2018
- Google Font API since Aug 2018
- Prism since Aug 2018
- styled-components since Sep 2018
- React since Sep 2018
- Cloudflare since Oct 2018
- Google Tag Manager since Feb 2019
- Varnish since Apr 2019
- New Relic since Jun 2019
- Zendesk since Mar 2020
- Node.js since Sep 2020
- Nuxt.js since Sep 2020
- reCAPTCHA since Sep 2020
- Vue.js since Sep 2020
- Twitter since Dec 2020
- Twitter typeahead.js since Dec 2020
- Lodash since Dec 2020
- Google Code Prettify since Dec 2020
- Babel since Dec 2020
- Atlassian Statuspage since Dec 2020
- jsDelivr since Jan 2021
- Amazon CloudFront since Jan 2021
- Amazon Web Services since Jan 2021
- Backbone.js since Jan 2021
- Klaviyo since Feb 2021
- Linkedin Insight Tag since Feb 2021
- OneTrust since Apr 2021
- Sentry since Jul 2021
- Facebook Pixel since Jul 2021
- Algolia since Jul 2021
- Twitter Ads since Sep 2021
- FullStory since Sep 2021
- core-js since Sep 2021
- Podsights since Sep 2021
- Heroku since Sep 2021
- AngularJS since Sep 2021
- Wistia since Oct 2021
- Envoy since Oct 2021
- jQuery UI since Nov 2021
- Preact since Nov 2021
- Cloudflare Bot Management since Nov 2021
- Reddit Ads since Dec 2021
- Unpkg since Dec 2021
- Gravatar since Dec 2021
- Google Hosted Libraries since Feb 2022
- inSided since Feb 2022
- jQuery CDN since Feb 2022
- Loadable-Components since Apr 2022
- Microsoft Clarity since May 2022
- Microsoft Advertising since May 2022
- cdnjs since May 2022
- Vimeo since Jun 2022
- Stripe since Aug 2022
- Salesforce since Aug 2022
- Dropbox since Aug 2022
- DocuSign since Aug 2022
- Priority Hints since Aug 2022
- PWA since Aug 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- Select2 since Oct 2022
- Microsoft ASP.NET since Oct 2022
- Popper since Oct 2022
- Azure since Oct 2022
- Azure Front Door since Oct 2022
- Adobe Audience Manager since Oct 2022
- RSS since Dec 2022
- ReadMe since Jan 2023
- Apple iCloud Mail since Jan 2023
- HTTP/3 since Jan 2023
- 6sense since Feb 2023
- Typeform since May 2023
- Leaflet since Jun 2023
- Livefyre since Jun 2023
- Google Maps since Jun 2023
- Handlebars since Jun 2023
- Astro since Jul 2023
- Auryc since Jul 2023
- Intercom since Jul 2023
- Amazon S3 since Jul 2023
- Socket.io since Aug 2023
- Three.js since Aug 2023
- Shaka Player since Aug 2023
- Amazon Advertising since Aug 2023
- Amazon Webstore since Aug 2023
- Contentsquare since Oct 2023
- DataDome since Oct 2023
- Render since Nov 2023
- Netlify since Nov 2023
- Tailwind CSS since Mar 2024
- theTradeDesk since May 2024
- Qualified since May 2024
- Umami since May 2024
- Splide since Jun 2024
- Snowplow Analytics since Jun 2024
- MediaElement.js since Jun 2024
- Mustache since Jun 2024
- FancyBox since Jun 2024
- Q4 since Jun 2024
- BugHerd since Jun 2024
- Webflow since Sep 2024
- Highlight.js since Sep 2024
- lit-html since Nov 2024
- lit-element since Nov 2024
- Zone.js since Dec 2024
- TypeScript since Dec 2024
- HubSpot since Dec 2024
- HubSpot Analytics since Dec 2024
- Angular since Dec 2024
- Optimizely since Feb 2025
- TVSquared since Mar 2025
- Klaviyo Forms since Apr 2025
- Datadog since Jul 2025
- Demandbase since Aug 2025
- Salesforce Desk since Sep 2025
- Cloudflare Browser Insights since Sep 2025
- Transcend since Oct 2025
- Stimulus since Dec 2025
- Google Sign-in since Dec 2025
- Typekit since Dec 2025
- Apollo since Dec 2025
- GraphQL since Dec 2025
- TikTok Pixel since Apr 2026
- Sanity since Apr 2026
- PostHog since Apr 2026
- shadcn/ui since May 2026
- Turbopack since May 2026
- Next.js since May 2026
- Next.js App Router since May 2026
- Linkedin Ads since May 2026
- Radix UI since May 2026
- React Router since May 2026
- Vercel since May 2026
- Vercel Analytics since May 2026
- Mautic since Jun 2026
Previously used
- BrightEdge Jul 2024 to Mar 2026 · 1 yr
- Eloqua Dec 2024 to Mar 2026 · 1 yr
- Gatsby Apr 2022 to Mar 2026 · 3 yrs
- Klaviyo Data Platform Apr 2025 to Jan 2026 · 9 mo
- Cart Functionality Aug 2022 to Oct 2025 · 3 yrs
- ClickCease Dec 2024 to Jun 2025 · 6 mo
- Klaviyo Reviews May 2025 to Jun 2025 · 1 mo
- Emotion Mar 2022 to Jan 2025 · 2 yrs
- Mixpanel Jun 2024 to Jan 2025 · 7 mo
- Axios Oct 2021 to Jun 2024 · 2 yrs
- Modernizr Mar 2021 to Jun 2024 · 3 yrs
- Skilljar Jan 2023 to Jun 2024 · 1 yr
- ZURB Foundation Apr 2018 to Jun 2024 · 6 yrs
- Amplitude Mar 2021 to May 2024 · 3 yrs
- gunicorn Jun 2021 to May 2024 · 2 yrs
- Polyfill Dec 2020 to May 2024 · 3 yrs
- Python Feb 2022 to May 2024 · 2 yrs
- BugSnag Jun 2023 to Nov 2023 · 5 mo
- Apache Traffic Server May 2023 to Oct 2023 · 5 mo
- Datadome Mar 2022 to Sep 2023 · 1 yr
- Gatsby Cloud Image CDN Feb 2023 to Aug 2023 · 6 mo
- VWO Jun 2018 to Aug 2023 · 5 yrs
- Hammer.js Jul 2021 to Jul 2023 · 2 yrs
- Pinterest Conversion Tag Jul 2021 to May 2023 · 1 yr
- Salesloft Oct 2022 to May 2023 · 7 mo
- AB Tasty Feb 2021 to Apr 2023 · 2 yrs
- AdRoll Nov 2019 to Apr 2023 · 3 yrs
- AdRoll CMP System Jul 2021 to Apr 2023 · 1 yr
- Drift Mar 2022 to Apr 2023 · 1 yr
- Amazon ALB May 2022 to Mar 2023 · 10 mo
- Zoominfo Dec 2021 to Mar 2023 · 1 yr
- C Feb 2023 to Feb 2023 · 1 mo
- Fastly Dec 2020 to Jan 2023 · 2 yrs
- Customer.io Nov 2021 to Dec 2022 · 1 yr
- Java Nov 2021 to Dec 2022 · 1 yr
- Segment Jan 2021 to Dec 2022 · 1 yr
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- Google Ads Conversion Tracking Jul 2021 to Sep 2022 · 1 yr
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Facebook Jun 2018 to Apr 2022 · 3 yrs
- YouTube Apr 2022 to Apr 2022 · 1 mo
- MariaDB Jun 2019 to Mar 2022 · 2 yrs
- MySQL Jun 2018 to Mar 2022 · 3 yrs
- Pantheon Jun 2019 to Mar 2022 · 2 yrs
- PHP Jun 2018 to Mar 2022 · 3 yrs
- Twitter Analytics Dec 2021 to Mar 2022 · 3 mo
- WordPress Apr 2018 to Mar 2022 · 3 yrs
- Yoast SEO Apr 2018 to Mar 2022 · 3 yrs
- jQuery-pjax Nov 2021 to Nov 2021 · 1 mo
- Marked Nov 2021 to Nov 2021 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Hotjar Sep 2020 to May 2021 · 8 mo
- OWL Carousel Jul 2018 to May 2021 · 2 yrs
- TinyMCE Oct 2020 to Jan 2021 · 3 mo
- Twitter Emoji (Twemoji) Jun 2018 to Jan 2021 · 2 yrs
- MathJax Jun 2019 to Jun 2019 · 1 mo
- Ubuntu Apr 2018 to Feb 2019 · 10 mo
Timeline
2026 5 added · 2 dropped · 2 switched
- switched Eloqua Mautic Jun 2026 · Marketing automation
- dropped BrightEdge May 2026 · SEO
- added Linkedin Ads May 2026 · Advertising
- switched Gatsby React Router May 2026 · JavaScript frameworks
- added Typeform May 2026 · Surveys
- dropped Klaviyo Data Platform Apr 2026 · Customer data platform
- added PostHog Apr 2026 · Analytics
- added Sanity Apr 2026 · CMS
- added TikTok Pixel Apr 2026 · Analytics
2025 12 added · 8 dropped
- dropped Cart Functionality Dec 2025 · Ecommerce
- dropped Polyfill Nov 2025 · JavaScript libraries
- added Cart Functionality Oct 2025 · Ecommerce
- added Priority Hints Oct 2025 · Performance
- added Prism Oct 2025 · Miscellaneous
- dropped styled-components Oct 2025 · JavaScript frameworks
- added Transcend Oct 2025 · Cookie compliance
- dropped ClickCease Sep 2025 · Security
- added Demandbase Aug 2025 · Personalisation
- added Facebook Pixel Aug 2025 · Analytics
- dropped Klaviyo Reviews Aug 2025 · Reviews
- dropped Cart Functionality Jul 2025 · Ecommerce
- added Klaviyo Reviews May 2025 · Reviews
- added Klaviyo Data Platform Apr 2025 · Customer data platform
- added Klaviyo Forms Apr 2025 · Form builders
- dropped Emotion Mar 2025 · JavaScript frameworks
- dropped Mixpanel Mar 2025 · Analytics
- added TVSquared Mar 2025 · Advertising
- added Optimizely Feb 2025 · A/B Testing
- added Adobe Audience Manager Jan 2025 · Segmentation
2024 6 added · 11 dropped
- added Cart Functionality Oct 2024 · Ecommerce
- dropped Axios Sep 2024 · JavaScript libraries
- dropped Modernizr Sep 2024 · JavaScript libraries
- dropped Prism Sep 2024 · Miscellaneous
- dropped Skilljar Sep 2024 · LMS
- dropped ZURB Foundation Sep 2024 · UI frameworks
- dropped Fastly Aug 2024 · CDN
- dropped Amplitude Jul 2024 · Analytics
- added BrightEdge Jul 2024 · SEO
- dropped gunicorn Jul 2024 · Web servers
- dropped Python Jul 2024 · Programming languages
- added Mixpanel Jun 2024 · Analytics
- dropped BugSnag May 2024 · Analytics
- added Qualified May 2024 · Live chat
- added theTradeDesk May 2024 · Advertising
- added Umami May 2024 · Analytics
- dropped Cart Functionality Feb 2024 · Ecommerce
2023 17 added · 20 dropped · 4 switched
- dropped Apache Traffic Server Dec 2023 · Web servers
- added Cart Functionality Dec 2023 · Ecommerce
- dropped Cart Functionality Nov 2023 · Ecommerce
- dropped Emotion Nov 2023 · JavaScript frameworks
- added Envoy Nov 2023 · Reverse proxies
- dropped Gatsby Cloud Image CDN Nov 2023 · CDN
- added Netlify Nov 2023 · PaaS
- dropped Priority Hints Nov 2023 · Performance
- added Render Nov 2023 · PaaS
- dropped VWO Nov 2023 · Analytics
- switched Datadome DataDome Oct 2023 · Security
- dropped Hammer.js Oct 2023 · JavaScript libraries
- added Cart Functionality Sep 2023 · Ecommerce
- switched AdRoll Amazon Advertising Aug 2023 · Advertising
- added Amazon Webstore Aug 2023 · Ecommerce
- dropped Typeform Aug 2023 · Surveys
- dropped Amazon ALB Jul 2023 · Load balancers
- added Astro Jul 2023 · JavaScript frameworks
- added Auryc Jul 2023 · Analytics
- dropped Pinterest Conversion Tag Jul 2023 · Analytics
- dropped Salesloft Jul 2023 · Marketing automation
- dropped AB Tasty Jun 2023 · A/B Testing
- dropped AdRoll CMP System Jun 2023 · Cookie compliance
- dropped Drift Jun 2023 · Live chat
- dropped Facebook Pixel Jun 2023 · Analytics
- added Vimeo Jun 2023 · Video players
- dropped Adobe Audience Manager May 2023 · Segmentation
- added Apache Traffic Server May 2023 · Web servers
- added Typeform May 2023 · Surveys
- dropped Zoominfo May 2023 · Analytics
- dropped C Apr 2023 · Programming languages
- switched Customer.io 6sense Feb 2023 · Marketing automation
- added Adobe Audience Manager Feb 2023 · Segmentation
- switched Java C Feb 2023 · Programming languages
- added Gatsby Cloud Image CDN Feb 2023 · CDN
- dropped Segment Feb 2023 · Customer data platform
- dropped Vimeo Feb 2023 · Video players
- added Apple iCloud Mail Jan 2023 · Webmail
- added HTTP/3 Jan 2023 · Miscellaneous
- added ReadMe Jan 2023 · Documentation
- added Skilljar Jan 2023 · LMS
2022 29 added · 19 dropped · 2 switched
- dropped Adobe Audience Manager Dec 2022 · Segmentation
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- dropped Microsoft Clarity Dec 2022 · Analytics
- added RSS Dec 2022 · Miscellaneous
- dropped Cart Functionality Nov 2022 · Ecommerce
- dropped Google Ads Conversion Tracking Nov 2022 · Analytics
- added Adobe Audience Manager Oct 2022 · Segmentation
- added Salesloft Oct 2022 · Marketing automation
- dropped Envoy Sep 2022 · Reverse proxies
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Cart Functionality Aug 2022 · Ecommerce
- added DocuSign Aug 2022 · Miscellaneous
- added Dropbox Aug 2022 · Digital asset management
- added Google Workspace Aug 2022 · Webmail
- added Priority Hints Aug 2022 · Performance
- added PWA Aug 2022 · Miscellaneous
- added Salesforce Aug 2022 · CRM
- added Stripe Aug 2022 · Payment processors
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Facebook Jun 2022 · Widgets
- switched YouTube Vimeo Jun 2022 · Video players
- added Amazon ALB May 2022 · Load balancers
- added cdnjs May 2022 · CDN
- dropped Datadome May 2022 · Security
- dropped jQuery Migrate May 2022 · JavaScript libraries
- dropped MariaDB May 2022 · Databases
- added Microsoft Advertising May 2022 · Advertising
- added Microsoft Clarity May 2022 · Analytics
- dropped MySQL May 2022 · Databases
- dropped Pantheon May 2022 · PaaS
- dropped Twitter Analytics May 2022 · Analytics
- dropped WordPress May 2022 · CMS
- dropped Yoast SEO May 2022 · SEO
- added Gatsby Apr 2022 · JavaScript frameworks
- added Loadable-Components Apr 2022 · JavaScript libraries
- added styled-components Apr 2022 · JavaScript frameworks
- added VWO Apr 2022 · Analytics
- added YouTube Apr 2022 · Video players
- added Datadome Mar 2022 · Security
- added Drift Mar 2022 · Live chat
- added Emotion Mar 2022 · JavaScript frameworks
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Google Hosted Libraries Feb 2022 · CDN
- added inSided Feb 2022 · Customer data platform
- added jQuery CDN Feb 2022 · CDN
- switched PHP Python Feb 2022 · Programming languages
- dropped jQuery-pjax Jan 2022 · Mobile frameworks
- dropped jQuery UI Jan 2022 · JavaScript libraries
- dropped Marked Jan 2022 · JavaScript libraries
2021 49 added · 20 dropped · 1 switched
- added Google Ads Conversion Tracking Dec 2021 · Analytics
- added Gravatar Dec 2021 · Miscellaneous
- added Linkedin Insight Tag Dec 2021 · Analytics
- added Pinterest Conversion Tag Dec 2021 · Analytics
- added Podsights Dec 2021 · Advertising
- added Reddit Ads Dec 2021 · Advertising
- added Segment Dec 2021 · Customer data platform
- dropped styled-components Dec 2021 · Development
- added Twitter Analytics Dec 2021 · Analytics
- added Unpkg Dec 2021 · CDN
- dropped Wheelio Dec 2021 · Widgets
- added Zoominfo Dec 2021 · Analytics
- added Cloudflare Bot Management Nov 2021 · Security
- added Customer.io Nov 2021 · Marketing automation
- dropped Google Ads Conversion Tracking Nov 2021 · Analytics
- added Java Nov 2021 · Programming languages
- dropped Linkedin Insight Tag Nov 2021 · Analytics
- dropped Pinterest Conversion Tag Nov 2021 · Analytics
- dropped Podsights Nov 2021 · Advertising
- dropped Polyfill Nov 2021 · JavaScript libraries
- added Preact Nov 2021 · JavaScript libraries
- dropped Segment Nov 2021 · Analytics
- added Yoast SEO Nov 2021 · SEO
- added Axios Oct 2021 · JavaScript libraries
- added Envoy Oct 2021 · Reverse proxies
- added Wistia Oct 2021 · Video players
- dropped Yoast SEO Oct 2021 · SEO
- added core-js Sep 2021 · JavaScript libraries
- added FullStory Sep 2021 · Analytics
- added jQuery Migrate Sep 2021 · JavaScript libraries
- added Podsights Sep 2021 · Advertising
- switched OWL Carousel Wheelio Sep 2021 · Widgets
- added AdRoll CMP System Jul 2021 · Cookie compliance
- added Algolia Jul 2021 · Search engines
- added Backbone.js Jul 2021 · JavaScript frameworks
- added Facebook Pixel Jul 2021 · Analytics
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Hammer.js Jul 2021 · JavaScript libraries
- dropped Hotjar Jul 2021 · Analytics
- added Moment.js Jul 2021 · JavaScript libraries
- added New Relic Jul 2021 · Analytics
- added Pinterest Conversion Tag Jul 2021 · Analytics
- added Prism Jul 2021 · Miscellaneous
- added Ruby Jul 2021 · Programming languages
- added Ruby on Rails Jul 2021 · Web frameworks
- added Segment Jul 2021 · Analytics
- added Sentry Jul 2021 · Issue trackers
- added styled-components Jul 2021 · JavaScript frameworks
- added Underscore.js Jul 2021 · JavaScript libraries
- added ZURB Foundation Jul 2021 · UI frameworks
- added gunicorn Jun 2021 · Web servers
- added React May 2021 · JavaScript libraries
- added Zendesk May 2021 · CMS
- added OneTrust Apr 2021 · Cookie compliance
- added Amplitude Mar 2021 · Analytics
- dropped Backbone.js Mar 2021 · JavaScript frameworks
- dropped Moment.js Mar 2021 · JavaScript libraries
- dropped New Relic Mar 2021 · Analytics
- dropped Prism Mar 2021 · Miscellaneous
- dropped Ruby Mar 2021 · Programming languages
- dropped Ruby on Rails Mar 2021 · Web frameworks
- dropped Segment Mar 2021 · Analytics
- dropped TinyMCE Mar 2021 · Rich text editors
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- dropped Underscore.js Mar 2021 · JavaScript libraries
- added AB Tasty Feb 2021 · A/B Testing
- added Klaviyo Feb 2021 · Marketing automation
- added Linkedin Insight Tag Feb 2021 · Analytics
- added Segment Jan 2021 · Analytics
2020 2 added · 4 dropped
- dropped React Nov 2020 · JavaScript frameworks
- dropped jQuery Migrate Oct 2020 · JavaScript libraries
- added TinyMCE Oct 2020 · Rich text editors
- dropped Zendesk Aug 2020 · CMS
- dropped VWO May 2020 · Analytics
- added Zendesk Mar 2020 · SaaS
2019 30 added · 3 dropped
- added AdRoll Nov 2019 · Advertising Networks
- dropped MathJax Aug 2019 · JavaScript Graphics
- added MariaDB Jun 2019 · Databases
- added MathJax Jun 2019 · JavaScript Graphics
- added New Relic Jun 2019 · Analytics
- added Pantheon Jun 2019 · PaaS
- dropped Ubuntu Apr 2019 · Operating Systems
- added Varnish Apr 2019 · Cache Tools
- added Bootstrap Mar 2019 · Web Frameworks
- added Cloudflare Mar 2019 · CDN
- added Facebook Mar 2019 · Widgets
- added Font Awesome Mar 2019 · Font Scripts
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Google Tag Manager Mar 2019 · Tag Managers
- added Heap Mar 2019 · Analytics
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added Nginx Mar 2019 · Web Servers
- added OWL Carousel Mar 2019 · Widgets
- added PHP Mar 2019 · Programming Languages
- added Prism Mar 2019 · Miscellaneous
- added React Mar 2019 · JavaScript Frameworks
- added Ruby Mar 2019 · Programming Languages
- added Ruby on Rails Mar 2019 · Web Frameworks
- dropped styled-components Mar 2019 · JavaScript Frameworks
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added VWO Mar 2019 · Analytics
- added Webpack Mar 2019 · Miscellaneous
- added WordPress Mar 2019 · Blogs
- added Yoast SEO Mar 2019 · SEO
2018 12 added · 3 dropped
- added Cloudflare Oct 2018 · CDN
- added React Sep 2018 · JavaScript Frameworks
- added styled-components Sep 2018 · Dev Tools
- added Font Awesome Jul 2018 · Font Scripts
- added OWL Carousel Jul 2018 · Widgets
- dropped Bootstrap Jun 2018 · Web Frameworks
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added MySQL Jun 2018 · Databases
- added PHP Jun 2018 · Programming Languages
- added Twitter Emoji (Twemoji) Jun 2018 · Miscellaneous
- dropped Underscore.js Jun 2018 · JavaScript Frameworks
- added VWO Jun 2018 · Analytics
- dropped ZURB Foundation Jun 2018 · Web Frameworks
- added Heap May 2018 · Analytics