Ansafi
Sign inStart free
2026-08-01 crawl · observed, not inferred

Technology used by customer.io

Customer.io is a customer engagement platform for creating personalized journeys across email, push, SMS, and in-app messaging.

65
technologies detected
customer.io
company
201-500
employees
computer software
industry
Beaverton, united states
location

Recent changes

2026-08-01 dropped Monaco Editorprovisional
2026-08-01 dropped Ember.jsprovisional
2026-07-01 dropped Salesloftconfirmed
2026-04-01 dropped Lenisconfirmed
2026-04-01 dropped Cloudflare Bot Managementprovisional
2026-04-01 dropped Cloudflareprovisional
2026-02-01 dropped core-jsconfirmed
2026-02-01 dropped Facebook Pixelconfirmed
2026-02-01 dropped FingerprintJSconfirmed
2026-02-01 dropped Ambassadorconfirmed
2026-02-01 dropped Ember.jsconfirmed
2026-02-01 dropped React Routerconfirmed

Full detected stack

Everything detected on this domain in the latest monthly crawl, grouped by what it does. ↩ marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.

Analytics
Vercel Speed Insights1.3.1↩ Jan 2025Vercel Analytics↩ Apr 2025Microsoft Clarity↩ Sept 2023Facebook Pixel↩ Jul 2021Mixpanel↩ Dec 2018Linkedin Insight Tag↩ Feb 2021Google Analytics↩ May 2018Microsoft Clarity↩ Sept 2023Facebook Pixel↩ Jul 2021Mixpanel↩ Dec 2018Linkedin Insight Tag↩ Feb 2021Google Analytics↩ May 2018
Miscellaneous
Webpack↩ Feb 2023PWA↩ Apr 2024Open Graph↩ Sept 2022LottieFiles↩ Apr 2026DocuSign↩ Dec 2024Open Graph↩ Sept 2022HTTP/3↩ Sept 2022DocuSign↩ Dec 2024
Advertising
Twitter Ads↩ May 2021Reddit Ads↩ Feb 2025Microsoft Advertising↩ Sept 2023Twitter Ads↩ May 2021Reddit Ads↩ Feb 2025Microsoft Advertising↩ Sept 2023
JavaScript frameworks
React↩ Jul 2020Next.js App Router↩ Apr 2024Next.js15.5.13|15.5.13↩ Apr 2024React↩ Jul 2020
CDN
Cloudflare↩ Nov 2021Amazon S3↩ May 2017Cloudflare↩ Nov 2021Amazon S3↩ May 2017
Security
HSTS↩ Sept 2022Cloudflare Bot Management↩ Nov 2021HSTS↩ Sept 2022Cloudflare Bot Management↩ Nov 2021
PaaS
Vercel↩ Apr 2024Amazon Web Services↩ Feb 2019Amazon Web Services↩ Feb 2019
Marketing automation
HubSpot↩ Jan 20236sense↩ Aug 2026HubSpot↩ Jan 2023
CMS
Sanity↩ Apr 2024Framer Sites↩ Mar 2025
Issue trackers
Sentry↩ Nov 2019Zendesk↩ Sept 2023
UI frameworks
Radix UI↩ Apr 2024Tailwind CSS↩ Apr 2022
Performance
Priority Hints↩ Jan 2024Priority Hints↩ Jan 2024
Live chat
LiveChat↩ May 2025LiveChat↩ May 2025
Webmail
Google Workspace↩ Aug 2022Google Workspace↩ Aug 2022
Email
Amazon SES↩ Nov 2022Amazon SES↩ Nov 2022
Tag managers
Google Tag Manager↩ May 2017Google Tag Manager↩ May 2017
Cookie compliance
Cookiebot1↩ Aug 2020Cookiebot1↩ Aug 2020
Programming languages
Node.js↩ Apr 2024
Font scripts
Google Font API↩ May 2018
Documentation
Zendesk↩ Sept 2023
Who else runs this stack?

Build a list of companies using any of these, filtered by size, industry and country — with every prospect's full stack attached.

Build a list →