Back to all trackers

Customer.io Tracking

Owned by Customer.io

https://www.customer.io/

Tracker Rank

832 / 853
Relatively prevalent

Operates Under

track-eu.customer.io track.customer.io
Suggest a change

Tracker Reach

0.01% of web traffic is tracked
by Customer.io Tracking
17 of top 10,000 sites seen loading
Customer.io Tracking tracker

Seen on these types of websites

65%
Uncategorized
29%
Business
6%
News and Portals

Tracking Methods

Fingerprinting

Fingerprinting is a unique digital signature derived from the properties of your device. Learn more

Data from Aug 2025 to Feb 2026.

Tracker Category

Site Analytics

Data analytics, site usage, and performance trackers.

Learn about our tracker categories What is a tracker?

Similar Trackers

1.
Cloudflare Insights
8.39% • Cloudflare • Site Analytics
2.
Google Analytics
6.07% • Google • Site Analytics
3.
Mixpanel
4.11% • Mixpanel • Site Analytics
4.
ScoreCard Research Beacon
3.21% • comScore, Inc. • Site Analytics

Presence on Top Sites

notion.so
Business • 4 trackers seen
hvg.hu
News and Portals • 16 trackers seen
apollo.io
Uncategorized • 11 trackers seen
tryhackme.com
Uncategorized • 14 trackers seen
riverside.com
Uncategorized • 15 trackers seen
axonaut.com
Uncategorized • 12 trackers seen
datacamp.com
Business • 4 trackers seen
shopee.sg
Uncategorized • 3 trackers seen
theknot.com
Business • 11 trackers seen
super.com
Uncategorized • 16 trackers seen
auctionet.com
Uncategorized • 3 trackers seen
mxtoolbox.com
Business • 5 trackers seen
musixmatch.com
Uncategorized • 8 trackers seen
seagate.com
Business • 4 trackers seen
indy.fr
Uncategorized • 8 trackers seen
macu.com
Uncategorized • 9 trackers seen
join.com
Uncategorized • 6 trackers seen