Optimizely
Owned by Optimizely
https://www.optimizely.com/Tracker Rank
65
/ 848
Commonly prevalent
Operates Under
Tracker Reach
1.29%
of web traffic is tracked
by Optimizely
by Optimizely
424
of top 10,000 sites seen loading
Optimizely tracker
Optimizely tracker
Seen on these types of websites
33%
Uncategorized
33%
Business
9%
Entertainment
9%
E-Commerce
8%
News and Portals
Data from May 2017 to Mar 2024.
Tracker Category
Site Analytics
Data analytics, site usage, and performance trackers.
Presence on Top Sites
cnn.com
Reference
• 21 trackers seen
bbc.co.uk
Reference
• 5 trackers seen
fandom.com
Reference
• 19 trackers seen
bbc.com
Reference
• 10 trackers seen
wetter.com
Reference
• 16 trackers seen
mobile.de
Reference
• 9 trackers seen
ikea.com
Reference
• 5 trackers seen
hm.com
Reference
• 7 trackers seen
bahn.de
Reference
• 3 trackers seen
news.com.au
Reference
• 23 trackers seen
wsj.com
Reference
• 14 trackers seen
apnews.com
Reference
• 11 trackers seen
nypost.com
Reference
• 20 trackers seen
tcgplayer.com
Reference
• 5 trackers seen
realtor.com
Reference
• 27 trackers seen
scribd.com
Reference
• 7 trackers seen
cbssports.com
Reference
• 23 trackers seen
funda.nl
Reference
• 7 trackers seen
fedex.com
Reference
• 7 trackers seen
gap.com
Reference
• 28 trackers seen
schwab.com
Reference
• 6 trackers seen
asos.com
Reference
• 10 trackers seen
bt.dk
Reference
• 14 trackers seen
hp.com
Reference
• 7 trackers seen
glassdoor.com
Reference
• 11 trackers seen
getadblock.com
Reference
• 3 trackers seen
npr.org
Reference
• 11 trackers seen
adblockplus.org
Reference
• 2 trackers seen
wallapop.com
Reference
• 11 trackers seen
startribune.com
Reference
• 20 trackers seen
chegg.com
Reference
• 20 trackers seen
woot.com
Reference
• 8 trackers seen
realestate.com.au
Reference
• 18 trackers seen
chewy.com
Reference
• 12 trackers seen
easyjet.com
Reference
• 6 trackers seen
kickstarter.com
Reference
• 13 trackers seen
chip.de
Reference
• 7 trackers seen
nike.com
Reference
• 5 trackers seen
zoom.us
Reference
• 4 trackers seen
iherb.com
Reference
• 7 trackers seen
kijiji.ca
Reference
• 14 trackers seen
ctvnews.ca
Reference
• 17 trackers seen
autoscout24.de
Reference
• 3 trackers seen
gumtree.com.au
Reference
• 12 trackers seen
cbsnews.com
Reference
• 19 trackers seen
centrum24.pl
Reference
• 4 trackers seen
tandfonline.com
Reference
• 13 trackers seen
seattletimes.com
Reference
• 12 trackers seen
docusign.com
Reference
• 4 trackers seen
tax.service.gov.uk
Reference
• 2 trackers seen
alaskaair.com
Reference
• 17 trackers seen
stepstone.de
Reference
• 6 trackers seen
carsales.com.au
Reference
• 13 trackers seen
united.com
Reference
• 17 trackers seen
blocket.se
Reference
• 7 trackers seen
willhaben.at
Reference
• 9 trackers seen
canadiantire.ca
Reference
• 20 trackers seen
statefarm.com
Reference
• 7 trackers seen
marksandspencer.com
Reference
• 8 trackers seen
docusign.net
Reference
• 3 trackers seen
newegg.com
Reference
• 9 trackers seen
channel4.com
Reference
• 6 trackers seen
zozo.jp
Reference
• 13 trackers seen
autotrader.com
Reference
• 12 trackers seen
anwb.nl
Reference
• 7 trackers seen
tryhackme.com
Reference
• 11 trackers seen
zara.com
Reference
• 6 trackers seen
ring.com
Reference
• 4 trackers seen
nikkei.com
Reference
• 6 trackers seen
bestbuy.com
Reference
• 6 trackers seen
thetimes.co.uk
Reference
• 15 trackers seen
bunnings.com.au
Reference
• 12 trackers seen
ft.com
Reference
• 7 trackers seen
tsn.ca
Reference
• 18 trackers seen
autoscout24.it
Reference
• 3 trackers seen
kmart.com.au
Reference
• 16 trackers seen
jbhifi.com.au
Reference
• 15 trackers seen
ziggo.nl
Reference
• 5 trackers seen
squareup.com
Reference
• 8 trackers seen
holidaycheck.de
Reference
• 9 trackers seen
transavia.com
Reference
• 8 trackers seen
michaels.com
Reference
• 15 trackers seen
zennioptical.com
Reference
• 13 trackers seen
appfolio.com
Reference
• 8 trackers seen
tesla.com
Reference
• 5 trackers seen
taxslayer.com
Reference
• 9 trackers seen
diy.com
Reference
• 11 trackers seen
gapcanada.ca
Reference
• 23 trackers seen
castorama.fr
Reference
• 11 trackers seen
change.org
Reference
• 8 trackers seen
udemy.com
Reference
• 7 trackers seen
gapfactory.com
Reference
• 23 trackers seen
autotrader.ca
Reference
• 21 trackers seen
perthnow.com.au
Reference
• 21 trackers seen
petsmart.com
Reference
• 18 trackers seen
vividseats.com
Reference
• 7 trackers seen
ig.com
Reference
• 9 trackers seen
ford.com
Reference
• 7 trackers seen
infojobs.net
Reference
• 6 trackers seen
flashscore.com
Reference
• 8 trackers seen
caranddriver.com
Reference
• 14 trackers seen
sky.com
Reference
• 7 trackers seen
publix.com
Reference
• 7 trackers seen
screwfix.com
Reference
• 10 trackers seen
autoscout24.nl
Reference
• 3 trackers seen
waveapps.com
Reference
• 16 trackers seen
mercari.com
Reference
• 7 trackers seen
iaai.com
Reference
• 10 trackers seen
gofundme.com
Reference
• 8 trackers seen
carfax.com
Reference
• 8 trackers seen
jetbrains.com
Reference
• 4 trackers seen
slack.com
Reference
• 3 trackers seen
constantcontact.com
Reference
• 8 trackers seen
carnival.com
Reference
• 23 trackers seen
ea.com
Reference
• 6 trackers seen
virginmedia.com
Reference
• 5 trackers seen
autoscout24.be
Reference
• 3 trackers seen
elastic.co
Reference
• 7 trackers seen
cinemark.com
Reference
• 14 trackers seen
uline.com
Reference
• 11 trackers seen
airfrance.fr
Reference
• 6 trackers seen
taxact.com
Reference
• 10 trackers seen
calendly.com
Reference
• 6 trackers seen
7news.com.au
Reference
• 15 trackers seen
psychologytoday.com
Reference
• 5 trackers seen
battle.net
Reference
• 5 trackers seen
rds.ca
Reference
• 20 trackers seen
goodrx.com
Reference
• 9 trackers seen
nintendo.com
Reference
• 7 trackers seen
venmo.com
Reference
• 5 trackers seen
pch.com
Reference
• 19 trackers seen
wizards.com
Reference
• 5 trackers seen
eventim.de
Reference
• 3 trackers seen
theiconic.com.au
Reference
• 20 trackers seen
peacocktv.com
Reference
• 11 trackers seen
distrokid.com
Reference
• 8 trackers seen
spektrum.de
Reference
• 11 trackers seen
thesun.co.uk
Reference
• 15 trackers seen
thewest.com.au
Reference
• 22 trackers seen
britbox.com
Reference
• 7 trackers seen
tacobell.com
Reference
• 5 trackers seen
immobilienscout24.de
Reference
• 5 trackers seen
backcountry.com
Reference
• 9 trackers seen
glassdoor.co.uk
Reference
• 9 trackers seen
draftkings.com
Reference
• 13 trackers seen
cathaypacific.com
Reference
• 10 trackers seen
totaljobs.com
Reference
• 9 trackers seen
qr-code-generator.com
Reference
• 7 trackers seen
brownells.com
Reference
• 11 trackers seen
zooplus.fr
Reference
• 6 trackers seen
digitalocean.com
Reference
• 6 trackers seen
sendgrid.com
Reference
• 7 trackers seen
flashscore.pl
Reference
• 9 trackers seen
fashionnova.com
Reference
• 18 trackers seen
cdw.com
Reference
• 13 trackers seen
pullandbear.com
Reference
• 7 trackers seen
vodafone.nl
Reference
• 4 trackers seen
citationmachine.net
Reference
• 35 trackers seen
personalcapital.com
Reference
• 6 trackers seen
everand.com
Reference
• 6 trackers seen
jet2holidays.com
Reference
• 11 trackers seen
netgear.com
Reference
• 7 trackers seen
mural.co
Reference
• 9 trackers seen
autoscout24.com
Reference
• 3 trackers seen
sportsdirect.com
Reference
• 8 trackers seen
usnews.com
Reference
• 17 trackers seen
kajabi.com
Reference
• 16 trackers seen
blizzard.com
Reference
• 7 trackers seen
diretta.it
Reference
• 9 trackers seen
bitly.com
Reference
• 9 trackers seen
glassdoor.ca
Reference
• 10 trackers seen
pointclickcare.com
Reference
• 2 trackers seen
heraldsun.com.au
Reference
• 20 trackers seen
glassdoor.fr
Reference
• 8 trackers seen
gocompare.com
Reference
• 7 trackers seen
saksoff5th.com
Reference
• 20 trackers seen
bigw.com.au
Reference
• 15 trackers seen
etoro.com
Reference
• 11 trackers seen
smartasset.com
Reference
• 19 trackers seen
zwift.com
Reference
• 6 trackers seen
norwegian.com
Reference
• 6 trackers seen
ae.com
Reference
• 15 trackers seen
avis.com
Reference
• 7 trackers seen
sigsauer.com
Reference
• 12 trackers seen
williamhill.com
Reference
• 11 trackers seen
castorama.pl
Reference
• 12 trackers seen
gall.nl
Reference
• 7 trackers seen
couriermail.com.au
Reference
• 18 trackers seen
glassdoor.co.in
Reference
• 11 trackers seen
ncl.com
Reference
• 10 trackers seen
kbb.com
Reference
• 15 trackers seen
sportchek.ca
Reference
• 18 trackers seen
just-eat.co.uk
Reference
• 7 trackers seen
mongodb.com
Reference
• 9 trackers seen
atlassian.com
Reference
• 7 trackers seen
octopus.energy
Reference
• 7 trackers seen
expertvoice.com
Reference
• 6 trackers seen
equifax.com
Reference
• 8 trackers seen
biglots.com
Reference
• 10 trackers seen
mangooutlet.com
Reference
• 5 trackers seen
adoptapet.com
Reference
• 9 trackers seen
mintmobile.com
Reference
• 14 trackers seen
zooplus.de
Reference
• 6 trackers seen
pge.com
Reference
• 11 trackers seen
gamma.app
Reference
• 10 trackers seen
rs-online.com
Reference
• 7 trackers seen
salesforce.com
Reference
• 4 trackers seen
ns.nl
Reference
• 6 trackers seen
hotjar.com
Reference
• 9 trackers seen
mattel.com
Reference
• 11 trackers seen
economist.com
Reference
• 12 trackers seen
toom.de
Reference
• 6 trackers seen
parchment.com
Reference
• 8 trackers seen
scmp.com
Reference
• 10 trackers seen
smartsheet.com
Reference
• 3 trackers seen
delish.com
Reference
• 16 trackers seen
sonos.com
Reference
• 8 trackers seen
talktalk.co.uk
Reference
• 6 trackers seen
flashscore.ua
Reference
• 9 trackers seen
open.ac.uk
Reference
• 5 trackers seen
barnesandnoble.com
Reference
• 5 trackers seen
uwv.nl
Reference
• 4 trackers seen
tommy.com
Reference
• 9 trackers seen
birkenstock.com
Reference
• 13 trackers seen
logos.com
Reference
• 9 trackers seen
jcb.co.jp
Reference
• 8 trackers seen
uptodate.com
Reference
• 3 trackers seen
bsh-group.com
Reference
• 6 trackers seen
nrl.com
Reference
• 11 trackers seen
euroinvestor.dk
Reference
• 14 trackers seen
kareo.com
Reference
• 7 trackers seen
sumup.com
Reference
• 6 trackers seen
tesco.com
Reference
• 4 trackers seen
goodhousekeeping.com
Reference
• 14 trackers seen
budget.com
Reference
• 7 trackers seen
misumi-ec.com
Reference
• 9 trackers seen
lastminute.com
Reference
• 11 trackers seen
skyshowtime.com
Reference
• 6 trackers seen
esquire.com
Reference
• 13 trackers seen
popularmechanics.com
Reference
• 13 trackers seen
bergfreunde.de
Reference
• 8 trackers seen
plarium.com
Reference
• 9 trackers seen
newegg.ca
Reference
• 6 trackers seen
hsbc.co.uk
Reference
• 8 trackers seen
auth0.com
Reference
• 5 trackers seen
transunion.com
Reference
• 8 trackers seen
hotmart.com
Reference
• 8 trackers seen
dndbeyond.com
Reference
• 9 trackers seen
bill.com
Reference
• 11 trackers seen
cengage.com
Reference
• 5 trackers seen
zillow.com
Reference
• 16 trackers seen
flashscore.fr
Reference
• 8 trackers seen
flashscore.de
Reference
• 8 trackers seen
finansavisen.no
Reference
• 8 trackers seen
1und1.de
Reference
• 5 trackers seen
zooplus.pl
Reference
• 7 trackers seen
crypto.com
Reference
• 7 trackers seen
quicken.com
Reference
• 7 trackers seen
shaw.ca
Reference
• 7 trackers seen
verkkokauppa.com
Reference
• 5 trackers seen
celebritycruises.com
Reference
• 24 trackers seen
cosmopolitan.com
Reference
• 13 trackers seen
evernote.com
Reference
• 4 trackers seen
grabcad.com
Reference
• 6 trackers seen
yoox.com
Reference
• 8 trackers seen
jdpower.com
Reference
• 12 trackers seen
menshealth.com
Reference
• 12 trackers seen
flashscorekz.com
Reference
• 7 trackers seen
unity.com
Reference
• 10 trackers seen
santander.pl
Reference
• 8 trackers seen
kleinezeitung.at
Reference
• 8 trackers seen
zendesk.com
Reference
• 6 trackers seen
zooplus.nl
Reference
• 6 trackers seen
stradivarius.com
Reference
• 7 trackers seen
eredmenyek.com
Reference
• 9 trackers seen
flashscore.gr
Reference
• 8 trackers seen
mango.com
Reference
• 4 trackers seen
o2.co.uk
Reference
• 7 trackers seen
mailchimp.com
Reference
• 16 trackers seen
bosch-home.com
Reference
• 6 trackers seen
uber.com
Reference
• 5 trackers seen
thumbtack.com
Reference
• 9 trackers seen
heart.org
Reference
• 9 trackers seen
fotocasa.es
Reference
• 11 trackers seen
flashscore.co.uk
Reference
• 9 trackers seen
hootsuite.com
Reference
• 13 trackers seen
livesport.cz
Reference
• 8 trackers seen
flashscore.ro
Reference
• 8 trackers seen
massimodutti.com
Reference
• 6 trackers seen
foodnetwork.com
Reference
• 16 trackers seen
verivox.de
Reference
• 4 trackers seen
confused.com
Reference
• 8 trackers seen
tv2.no
Reference
• 6 trackers seen
edx.org
Reference
• 9 trackers seen
rezultati.com
Reference
• 8 trackers seen
aaa.com
Reference
• 9 trackers seen
aerlingus.com
Reference
• 5 trackers seen
ii.co.uk
Reference
• 6 trackers seen
callofduty.com
Reference
• 7 trackers seen
barrons.com
Reference
• 23 trackers seen
the-sun.com
Reference
• 15 trackers seen
kraken.com
Reference
• 5 trackers seen
livescore.in
Reference
• 8 trackers seen
elle.com
Reference
• 13 trackers seen
square-enix-games.com
Reference
• 8 trackers seen
iceland.co.uk
Reference
• 8 trackers seen
finanzen100.de
Reference
• 8 trackers seen
engie.fr
Reference
• 4 trackers seen
canon.fr
Reference
• 10 trackers seen
fanduel.com
Reference
• 13 trackers seen
gmail.com
Reference
• 6 trackers seen
anandtech.com
Reference
• 9 trackers seen
sofi.com
Reference
• 6 trackers seen
prezi.com
Reference
• 10 trackers seen
wiley.com
Reference
• 13 trackers seen
confluent.io
Reference
• 5 trackers seen
optus.com.au
Reference
• 7 trackers seen
bloomberg.com
Reference
• 12 trackers seen
hgtv.com
Reference
• 18 trackers seen
sproutsocial.com
Reference
• 10 trackers seen
unimelb.edu.au
Reference
• 9 trackers seen
flashscore.dk
Reference
• 9 trackers seen
zoom.com
Reference
• 9 trackers seen
tripit.com
Reference
• 7 trackers seen
tdsynnex.com
Reference
• 7 trackers seen
livesport.com
Reference
• 9 trackers seen
paychex.com
Reference
• 7 trackers seen
adyen.com
Reference
• 3 trackers seen
hbomax.com
Reference
• 6 trackers seen
flashscore.fi
Reference
• 9 trackers seen
klaviyo.com
Reference
• 8 trackers seen
bendigobank.com.au
Reference
• 3 trackers seen
macrumors.com
Reference
• 7 trackers seen
unir.net
Reference
• 4 trackers seen
beenverified.com
Reference
• 11 trackers seen
hsbc.ca
Reference
• 7 trackers seen
kiwibank.co.nz
Reference
• 3 trackers seen
mindbodyonline.com
Reference
• 7 trackers seen
wholefoodsmarket.com
Reference
• 5 trackers seen
time.com
Reference
• 15 trackers seen
asu.edu
Reference
• 6 trackers seen
engie.be
Reference
• 5 trackers seen
kia.com
Reference
• 8 trackers seen
newbalance.com
Reference
• 24 trackers seen
crateandbarrel.com
Reference
• 11 trackers seen
flashscore.com.ua
Reference
• 8 trackers seen
coches.net
Reference
• 8 trackers seen
converse.com
Reference
• 16 trackers seen
moneysupermarket.com
Reference
• 5 trackers seen
flashscore.pt
Reference
• 9 trackers seen
xe.com
Reference
• 6 trackers seen
gamestop.com
Reference
• 11 trackers seen
techtarget.com
Reference
• 7 trackers seen
theaustralian.com.au
Reference
• 21 trackers seen
mrcooper.com
Reference
• 13 trackers seen
comptia.org
Reference
• 11 trackers seen
radiotimes.com
Reference
• 10 trackers seen
flashscore.es
Reference
• 9 trackers seen
firsttechfed.com
Reference
• 6 trackers seen
leroymerlin.it
Reference
• 10 trackers seen
fanatics.com
Reference
• 7 trackers seen
sky.de
Reference
• 6 trackers seen
starbucks.com
Reference
• 6 trackers seen
tableau.com
Reference
• 5 trackers seen
aboutyou.de
Reference
• 4 trackers seen
flashscore.nl
Reference
• 9 trackers seen
westernunion.com
Reference
• 8 trackers seen
hertz.com
Reference
• 6 trackers seen
straitstimes.com
Reference
• 13 trackers seen
acronis.com
Reference
• 5 trackers seen
paylocity.com
Reference
• 5 trackers seen
bosch-professional.com
Reference
• 5 trackers seen
gartner.com
Reference
• 5 trackers seen
typeform.com
Reference
• 5 trackers seen
akc.org
Reference
• 13 trackers seen
otodom.pl
Reference
• 10 trackers seen
circleci.com
Reference
• 7 trackers seen
nowtv.com
Reference
• 4 trackers seen
dailytelegraph.com.au
Reference
• 19 trackers seen
letudiant.fr
Reference
• 9 trackers seen
nationalpost.com
Reference
• 17 trackers seen
mathway.com
Reference
• 17 trackers seen
algonquincollege.com
Reference
• 3 trackers seen
23andme.com
Reference
• 4 trackers seen
dazn.com
Reference
• 8 trackers seen
ica.se
Reference
• 4 trackers seen
cos.com
Reference
• 8 trackers seen
indiegogo.com
Reference
• 11 trackers seen
bbcgoodfood.com
Reference
• 9 trackers seen
zattoo.com
Reference
• 7 trackers seen
shipstation.com
Reference
• 7 trackers seen
mediamarkt.nl
Reference
• 8 trackers seen
arket.com
Reference
• 8 trackers seen
hotmail.com
Reference
• 6 trackers seen
therealreal.com
Reference
• 11 trackers seen
cvent.com
Reference
• 3 trackers seen
revolve.com
Reference
• 14 trackers seen
gale.com
Reference
• 5 trackers seen
sage.com
Reference
• 6 trackers seen
checkout.com
Reference
• 3 trackers seen
getjobber.com
Reference
• 10 trackers seen
jbl.com
Reference
• 11 trackers seen
morningstar.com
Reference
• 7 trackers seen
coxautoinc.com
Reference
• 7 trackers seen
umn.edu
Reference
• 5 trackers seen
ebaumsworld.com
Reference
• 24 trackers seen
hostelworld.com
Reference
• 8 trackers seen
servicetitan.com
Reference
• 8 trackers seen
wwe.com
Reference
• 8 trackers seen
blackbaud.com
Reference
• 5 trackers seen
hackerrank.com
Reference
• 5 trackers seen
bodybuilding.com
Reference
• 12 trackers seen
stories.com
Reference
• 8 trackers seen
bbb.org
Reference
• 5 trackers seen
meidastouch.com
Reference
• 18 trackers seen
otter.ai
Reference
• 14 trackers seen
seb.se
Reference
• 2 trackers seen
today.com
Reference
• 23 trackers seen
x.com
Reference
• 6 trackers seen
authorize.net
Reference
• 3 trackers seen
netzero.net
Reference
• 15 trackers seen
rippling.com
Reference
• 7 trackers seen
springernature.com
Reference
• 2 trackers seen
hostgator.com
Reference
• 6 trackers seen
pitchbox.com
Reference
• 8 trackers seen