Customer.io
Customer.io is an automated messaging platform for marketers.
- Sites using it
- 13
Usage over time
Trend data starts with the first full crawl. We take a snapshot of every technology's usage at the end of each monthly crawl cycle, so the first point appears once the current cycle completes and the trend line after the second.
Market share
Share of indexed sites in the category that use Customer.io.
Frequently paired with
Share of sites using Customer.io that also use each of these, from a sample of up to 5,000 sites.
- HSTSSecurity62%
13 sites use Customer.io
- hvg.hu| hvg.husince 28 Sept 2026
- trustedsite.comTrustedSite | Earned trust badges that boost salessince 28 Sept 2026
- rescuetime.comTake Control of Your Time: Automatic time tracking with RescueTime!since 28 Sept 2026
- sharecare.comSharecare | AskMD: Ask a Health Question, Get a Plansince 28 Sept 2026
- clearbit.comClearbit has joined HubSpotsince 28 Sept 2026
- use.aiUse AIsince 28 Sept 2026
- vio.comVio | Book like an insider | Clear comparison, no hidden fees, real hotel dealssince 28 Sept 2026
- inc42.comInc42: Latest Indian Tech & Startup News, Analysis & Storiessince 28 Sept 2026
- moniepoint.comPowering Financial Dreams In Emerging Markets | Moniepoint Incsince 28 Sept 2026
- collx.appCollX: Scan sports cards to find out what they're worthsince 28 Sept 2026
- super.comSuper.com: Save, Earn, Travelsince 28 Sept 2026
- pillpack.comPillPack - Pharmacy Simplifiedsince 28 Sept 2026
- wyzant.comWyzant: Expert Tutors at Affordable Pricessince 28 Sept 2026