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Marketing automation & CRM

Customer.io usage globally

Customer.io runs on <0.1% of major websites globally in our sample (17 of 68,774). Market share by country, top sites using it and technologies it is paired with.

<0.1%
Share in Global
17 / 68,774
0
sites in Tranco top 1K
1 in top 10K
#32,110
median Tranco rank
Tranco
16
frequent companions
Google Tag Manager

By market

  1. Global<0.1%17
  2. United Kingdom<0.1%1
  3. Netherlands<0.1%2
  4. Italy0%0
  5. Spain0%0
  6. Japan0%0
  7. Latin America0%0

Trend

Often used with

  1. Google Tag ManagerTag managers65%×1.7
  2. Google FontsWeb fonts47%×1.8
  3. IntercomLive chat & support35%×50.3
  4. jQueryJavaScript libraries35%
  5. CloudflareCDN35%
  6. Meta PixelAdvertising & pixels29%×6.2
  7. ReactWeb frameworks29%×2.5
  8. WordPressCMS29%×1.7
  9. Next.jsWeb frameworks24%×2.4
  10. core-jsJavaScript libraries24%×2.2

Top sites using Customer.io

TrancoSiteAlso usesHosting
5,588webstaurantstore.com Apple Pay JSMicrosoft Advertising UETCloudflareCloudflare Bot ManagementGoogle Marketing Platform (DV360/CM360)Google Ads (conversion) Cloudflare
10,678gotolstoy.com AstroMicrosoft ClarityAmazon CloudFrontGoogle Ads (conversion)IntercomLinkedIn Insight Tag Cloudflare
17,482trustedsite.com Apache HTTP ServerClickyFont AwesomeGoogle FontsHotjarIntercom Amazon Web Services
19,246sharecare.com Adobe Experience Platform Tagscore-jsGutenberg blocksjQueryjQuery MigratejsDelivr Amazon Web Services
24,565rescuetime.com Font AwesomeGoogle Analytics 4Google FontsGoogle Tag ManagerHelp Scout BeaconLinkedIn Insight Tag Amazon Web Services
26,069proxy-seller.com CloudflareCookiebot (Usercentrics)ExpressGoogle Tag ManagerIntercomMUI Cloudflare
26,582inside.chat AB TastyActiveCampaignAddThisAddToAnyAdobe AnalyticsAdobe Experience Platform Tags Fastly
27,200tryhackme.com Google FontsIntercomNext.jsReactVercel Amazon Web Services
32,110inc42.com AlgoliaCloudflareCloudflare Web Analyticscore-jsGoogle FontsGoogle Publisher Tag (Ad Manager) Cloudflare
51,576x-plane.com CloudflareCloudflare Web Analyticscore-jsGoogle Analytics 4Google Ads (conversion)jQuery Cloudflare
65,712pagefly.io AmplitudeBootstrapBunny FontsMicrosoft ClarityCloudflareCrisp Cloudflare
69,937ellii.com Google Tag ManagerHelp Scout BeaconHerokuNext.jsReactSucuri WAF Sucuri
79,233bokadirekt.se AmplitudeAmazon CloudFrontGoogle Marketing Platform (DV360/CM360)ExpressGoogle Tag ManagerMeta Pixel Amazon Web Services
79,587marathondataco.com Amazon CloudFrontGoogle FontsGoogle Tag ManagerIntercomAmazon S3Webflow Amazon Web Services
83,006gitguardian.com CloudflareGoogle FontsGoogle Tag ManagerGoogle reCAPTCHAWebflow Cloudflare
83,189renthub.in.th Google AdSenseBunny CDNNext.jsReact CDN77 / DataCamp
85,559spacelift.io CalendlyAmazon CloudFrontGoogle Marketing Platform (DV360/CM360)Google FontsGrowthBookGoogle Tag Manager Amazon Web Services

Our crawler: 68,774 sites · Global · updated 13 Nov 2026 · Methodology

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