Technology history for klaviyo.tech
Stack size over time
From 5 detected technologies in Jul 2019 to 19 in Jun 2026 (peak 20).
Currently detected
- Google Analytics since Jul 2019
- Medium since Jul 2019
- Node.js since Jul 2019
- Envoy since Oct 2021
- Cloudflare since Jul 2022
- Cloudflare Browser Insights since Jul 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- HTTP/3 since Sep 2022
- RSS since Dec 2022
- Loadable-Components since Aug 2025
- React since Aug 2025
- React Router since Aug 2025
- Datadog since Aug 2025
- PWA since Aug 2025
- reCAPTCHA since Aug 2025
- TypeScript since Aug 2025
- Apollo since Aug 2025
- GraphQL since Aug 2025
Previously used
- Branch Oct 2021 to Sep 2025 · 3 yrs
- Algolia Feb 2022 to Jul 2025 · 3 yrs
- PayPal Jul 2022 to Jul 2025 · 3 yrs
- FingerprintJS Dec 2021 to Jul 2022 · 7 mo
- jsDelivr Dec 2021 to Jul 2022 · 7 mo
- Nginx Jul 2019 to Feb 2022 · 2 yrs
- Optimizely Oct 2021 to Jan 2022 · 3 mo
- Wheelio Oct 2021 to Oct 2021 · 1 mo
- Parse.ly Jul 2019 to Jan 2020 · 6 mo
Timeline
2025 10 added · 3 dropped
- dropped Branch Nov 2025 · Analytics
- dropped Algolia Sep 2025 · Search engines
- dropped PayPal Sep 2025 · Payment processors
- added Apollo Aug 2025 · JavaScript libraries
- added Branch Aug 2025 · Analytics
- added Datadog Aug 2025 · RUM
- added GraphQL Aug 2025 · Programming languages
- added Loadable-Components Aug 2025 · JavaScript libraries
- added PWA Aug 2025 · Miscellaneous
- added React Aug 2025 · JavaScript frameworks
- added React Router Aug 2025 · JavaScript frameworks
- added reCAPTCHA Aug 2025 · Security
- added TypeScript Aug 2025 · Programming languages
2024 1 dropped
- dropped Branch Dec 2024 · Analytics
2023 13 added
- added Algolia May 2023 · Search engines
- added Branch May 2023 · Analytics
- added Cloudflare May 2023 · CDN
- added Cloudflare Browser Insights May 2023 · Analytics
- added Envoy May 2023 · Reverse proxies
- added Google Analytics May 2023 · Analytics
- added HSTS May 2023 · Security
- added HTTP/3 May 2023 · Miscellaneous
- added Medium May 2023 · Blogs
- added Node.js May 2023 · Programming languages
- added Open Graph May 2023 · Miscellaneous
- added PayPal May 2023 · Payment processors
- added RSS May 2023 · Miscellaneous
2022 12 added · 4 dropped · 1 switched
- dropped FingerprintJS Oct 2022 · JavaScript libraries
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Algolia Aug 2022 · Search engines
- added Branch Aug 2022 · Analytics
- switched jsDelivr Cloudflare Aug 2022 · CDN
- added Cloudflare Browser Insights Aug 2022 · Analytics
- added Envoy Aug 2022 · Reverse proxies
- added Google Analytics Aug 2022 · Analytics
- added Medium Aug 2022 · Blogs
- dropped Nginx Aug 2022 · Web servers
- added Node.js Aug 2022 · Programming languages
- added PayPal Aug 2022 · Payment processors
- dropped Optimizely Jul 2022 · A/B Testing
- added Algolia Feb 2022 · Search engines
- dropped Wheelio Jan 2022 · Widgets
2021 1 dropped
- dropped Parse.ly Dec 2021 · Analytics