Your Privacy, Our Mission

Donate

Support Ghostery with a one-time donation. Your contributions help us develop even stronger protection against trackers and ads, making the web safer for everyone.

One-time or whenever you appreciate Ghostery.

Back to all trackers

Google Website Optimizer

Owned by Google

https://www.google.com/analytics/siteopt/prev

Tracker Rank

198 / 864
Relatively prevalent

Operates Under

googleoptimize.com
Suggest a change

Tracker Reach

0.25% of web traffic is tracked
by Google Website Optimizer
Mar 22025Mar 9Mar 16Mar 23Mar 300.2%0.3%0.3%
149 of top 10,000 sites seen loading
Google Website Optimizer tracker
Mar 22025Mar 9Mar 16Mar 23Mar 30140150160170

Seen on these types of websites

53%
Uncategorized
21%
Business
12%
Entertainment
5%
News and Portals
2%
Reference
Data from Mar 2025 to Apr 2025.

Tracker Category

Site Analytics

Data analytics, site usage, and performance trackers.

Learn about our tracker categories What is a tracker?

Similar Trackers

1.
Mixpanel
10.56% • Mixpanel • Site Analytics
2.
Qualtrics
8.77% • Qualtrics • Site Analytics
3.
Google Analytics
6.98% • Google • Site Analytics
4.
Cloudflare Insights
4.77% • Cloudflare • Site Analytics

Presence on Top Sites

spotify.com
Entertainment • 7 trackers seen
flashscore.com
Entertainment • 9 trackers seen
pch.com
Business • 20 trackers seen
alza.cz
E-Commerce • 9 trackers seen
flashscore.fr
Uncategorized • 10 trackers seen
krone.at
News and Portals • 14 trackers seen
tenki.jp
Reference • 11 trackers seen
dmm.co.jp
Adult • 8 trackers seen
immoweb.be
Business • 5 trackers seen
censor.net
Uncategorized • 7 trackers seen
fanbox.cc
Uncategorized • 6 trackers seen
interpals.net
Entertainment • 8 trackers seen
ca.gov
Government • 4 trackers seen
tiermaker.com
Uncategorized • 7 trackers seen
whoer.net
Business • 22 trackers seen
mondialrelay.fr
Business • 11 trackers seen
abcnyheter.no
Entertainment • 12 trackers seen
eredmenyek.com
Entertainment • 10 trackers seen
livesport.cz
Entertainment • 10 trackers seen
ppomppu.co.kr
Business • 5 trackers seen
flashscore.com.br
Uncategorized • 11 trackers seen
latamairlines.com
Uncategorized • 7 trackers seen
hololive.tv
Uncategorized • 7 trackers seen
proxibid.com
Uncategorized • 11 trackers seen