Back to all trackers

Customer.io

Owned by Customer.io

https://www.customer.io/

Tracker Rank

413 / 833
Relatively prevalent

Operates Under

api-eu.customer.io api.customer.io assets.customer.io
+2 more
cdp-eu.customer.io cdp.customer.io
Suggest a change

Tracker Reach

0.07% of web traffic is tracked
by Customer.io
47 of top 10,000 sites seen loading
Customer.io tracker

Seen on these types of websites

70%
Uncategorized
19%
Business
4%
News and Portals
4%
E-Commerce
2%
Reference
Data from Mar 2020 to May 2026.

Tracker Category

Customer Interaction

Chat widgets, customer support, e-commerce/content personalization and other interaction tools.

Learn about our tracker categories What is a tracker?

Similar Trackers

1.
Stripe
1.13% • Stripe • Customer Interaction
2.
Blockthrough
1.1% • Blockthrough • Customer Interaction
3.
Google Translate
1.02% • Google • Customer Interaction
4.
GitHub
0.95% • GitHub, Inc. • Customer Interaction

Presence on Top Sites

overleaf.com
Business • 2 trackers seen
notion.so
Business • 5 trackers seen
polymarket.com
Uncategorized • 10 trackers seen
quillbot.com
Uncategorized • 10 trackers seen
pennylane.com
Uncategorized • 8 trackers seen
games.gg
Uncategorized • 5 trackers seen
webstaurantstore.com
E-Commerce • 8 trackers seen
heygen.com
Uncategorized • 9 trackers seen
tryhackme.com
Uncategorized • 17 trackers seen
discogs.com
E-Commerce • 6 trackers seen
apollo.io
Uncategorized • 10 trackers seen
axonaut.com
Uncategorized • 13 trackers seen
23andme.com
Business • 4 trackers seen
super.com
Uncategorized • 14 trackers seen
spectator.com
Uncategorized • 16 trackers seen
buffer.com
Business • 10 trackers seen
datacamp.com
Business • 4 trackers seen
kit.com
Uncategorized • 14 trackers seen
planner5d.com
Uncategorized • 8 trackers seen
magoosh.com
Business • 9 trackers seen
notion.com
Uncategorized • 5 trackers seen
biorender.com
Uncategorized • 12 trackers seen
riverside.com
Uncategorized • 14 trackers seen
mixpanel.com
Uncategorized • 6 trackers seen
use.ai
Uncategorized • 11 trackers seen