Optimizely
Owned by Optimizely
https://www.optimizely.com/Tracker Rank
73
/ 863
Commonly prevalent
Operates Under
Tracker Reach
1.19%
of web traffic is tracked
by Optimizely
by Optimizely
446
of top 10,000 sites seen loading
Optimizely tracker
Optimizely tracker
Seen on these types of websites
37%
Uncategorized
31%
Business
8%
Entertainment
8%
News and Portals
8%
E-Commerce
Data from May 2017 to Sep 2024.
Tracker Category
Site Analytics
Data analytics, site usage, and performance trackers.
Presence on Top Sites
cnn.com
News and Portals
• 19 trackers seen
bbc.co.uk
News and Portals
• 5 trackers seen
bbc.com
News and Portals
• 12 trackers seen
mobile.de
E-Commerce
• 11 trackers seen
ikea.com
Business
• 4 trackers seen
hm.com
Business
• 8 trackers seen
apnews.com
News and Portals
• 16 trackers seen
funda.nl
Business
• 7 trackers seen
bahn.de
Recreation
• 3 trackers seen
tcgplayer.com
Entertainment
• 5 trackers seen
news.com.au
News and Portals
• 21 trackers seen
scribd.com
Entertainment
• 9 trackers seen
zoom.us
Business
• 3 trackers seen
realtor.com
Business
• 27 trackers seen
asos.com
E-Commerce
• 9 trackers seen
fedex.com
Business
• 7 trackers seen
gap.com
Business
• 11 trackers seen
woot.com
E-Commerce
• 8 trackers seen
chewy.com
E-Commerce
• 11 trackers seen
wallapop.com
E-Commerce
• 10 trackers seen
iherb.com
Business
• 11 trackers seen
realestate.com.au
Business
• 19 trackers seen
hp.com
Business
• 8 trackers seen
kickstarter.com
Business
• 11 trackers seen
npr.org
News and Portals
• 17 trackers seen
kijiji.ca
E-Commerce
• 14 trackers seen
easyjet.com
Recreation
• 6 trackers seen
ctvnews.ca
News and Portals
• 16 trackers seen
marksandspencer.com
Business
• 7 trackers seen
canadiantire.ca
Business
• 23 trackers seen
wsj.com
News and Portals
• 15 trackers seen
alaskaair.com
Recreation
• 11 trackers seen
cbsnews.com
News and Portals
• 18 trackers seen
blocket.se
E-Commerce
• 8 trackers seen
wetter.com
News and Portals
• 16 trackers seen
tax.service.gov.uk
Government
• 2 trackers seen
mercari.com
E-Commerce
• 7 trackers seen
michaels.com
Business
• 12 trackers seen
gumtree.com.au
E-Commerce
• 11 trackers seen
chegg.com
Business
• 14 trackers seen
willhaben.at
E-Commerce
• 7 trackers seen
seattletimes.com
News and Portals
• 12 trackers seen
stepstone.de
Business
• 6 trackers seen
docusign.com
Business
• 4 trackers seen
statefarm.com
Business
• 7 trackers seen
jbhifi.com.au
E-Commerce
• 20 trackers seen
autotrader.com
E-Commerce
• 10 trackers seen
nikkei.com
News and Portals
• 6 trackers seen
anwb.nl
Business
• 7 trackers seen
kmart.com.au
Business
• 12 trackers seen
docusign.net
Business
• 3 trackers seen
tandfonline.com
Reference
• 10 trackers seen
gofundme.com
Business
• 11 trackers seen
holidaycheck.de
Recreation
• 4 trackers seen
zozo.jp
E-Commerce
• 15 trackers seen
chip.de
News and Portals
• 5 trackers seen
carfax.com
Business
• 11 trackers seen
channel4.com
Entertainment
• 6 trackers seen
eventim.de
Entertainment
• 5 trackers seen
clevelandclinic.org
Uncategorized
• 8 trackers seen
digitalocean.com
Business
• 7 trackers seen
autotrader.ca
E-Commerce
• 20 trackers seen
getadblock.com
Business
• 2 trackers seen
newegg.com
E-Commerce
• 9 trackers seen
carsales.com.au
E-Commerce
• 13 trackers seen
transavia.com
Recreation
• 7 trackers seen
caranddriver.com
Entertainment
• 14 trackers seen
vividseats.com
Uncategorized
• 6 trackers seen
bunnings.com.au
Business
• 10 trackers seen
thetimes.com
Uncategorized
• 12 trackers seen
change.org
Reference
• 8 trackers seen
centrum24.pl
Banking
• 3 trackers seen
gapcanada.ca
Business
• 11 trackers seen
zara.com
Business
• 5 trackers seen
pch.com
Business
• 19 trackers seen
gapfactory.com
Uncategorized
• 10 trackers seen
cbssports.com
News and Portals
• 22 trackers seen
tsn.ca
Entertainment
• 20 trackers seen
diy.com
Uncategorized
• 6 trackers seen
kbb.com
E-Commerce
• 19 trackers seen
wizards.com
Business
• 5 trackers seen
adblockplus.org
Uncategorized
• 2 trackers seen
equifax.com
Business
• 6 trackers seen
sky.com
Business
• 7 trackers seen
petsmart.com
Uncategorized
• 14 trackers seen
jetbrains.com
Business
• 4 trackers seen
ziggo.nl
Business
• 4 trackers seen
draftkings.com
Entertainment
• 14 trackers seen
ns.nl
Recreation
• 6 trackers seen
distrokid.com
Uncategorized
• 9 trackers seen
pagesix.com
News and Portals
• 26 trackers seen
battle.net
Entertainment
• 6 trackers seen
peacocktv.com
Uncategorized
• 10 trackers seen
udemy.com
Business
• 6 trackers seen
publix.com
Business
• 5 trackers seen
castorama.fr
Business
• 6 trackers seen
iaai.com
E-Commerce
• 8 trackers seen
infojobs.net
Reference
• 6 trackers seen
psychologytoday.com
Reference
• 4 trackers seen
ford.com
Business
• 6 trackers seen
screwfix.com
Business
• 6 trackers seen
toom.de
Business
• 10 trackers seen
uline.com
Uncategorized
• 8 trackers seen
squareup.com
Business
• 6 trackers seen
tacobell.com
Business
• 5 trackers seen
constantcontact.com
Business
• 9 trackers seen
goodrx.com
Uncategorized
• 9 trackers seen
appfolio.com
Business
• 6 trackers seen
rds.ca
Entertainment
• 22 trackers seen
kleinezeitung.at
News and Portals
• 11 trackers seen
theiconic.com.au
E-Commerce
• 13 trackers seen
zennioptical.com
E-Commerce
• 14 trackers seen
tesla.com
Business
• 3 trackers seen
thesun.co.uk
News and Portals
• 12 trackers seen
kajabi.com
Uncategorized
• 19 trackers seen
qr-code-generator.com
Uncategorized
• 6 trackers seen
pullandbear.com
Business
• 5 trackers seen
slack.com
Business
• 3 trackers seen
ig.com
Uncategorized
• 8 trackers seen
schwab.com
Banking
• 5 trackers seen
virginmedia.com
Business
• 5 trackers seen
duckduckgo.com
Reference
• 4 trackers seen
cinemark.com
Entertainment
• 8 trackers seen
ft.com
News and Portals
• 6 trackers seen
united.com
Recreation
• 10 trackers seen
backcountry.com
E-Commerce
• 14 trackers seen
eis.de
Adult
• 6 trackers seen
venmo.com
Business
• 5 trackers seen
thewest.com.au
News and Portals
• 15 trackers seen
carnival.com
Uncategorized
• 13 trackers seen
zooplus.fr
E-Commerce
• 6 trackers seen
sportchek.ca
Uncategorized
• 20 trackers seen
westernunion.com
Business
• 11 trackers seen
blizzard.com
Entertainment
• 6 trackers seen
perthnow.com.au
News and Portals
• 15 trackers seen
tryhackme.com
Uncategorized
• 11 trackers seen
elastic.co
Business
• 7 trackers seen
nespresso.com
Business
• 11 trackers seen
levi.com
Business
• 9 trackers seen
centraldispatch.com
Business
• 5 trackers seen
vodafone.nl
Business
• 4 trackers seen
totaljobs.com
Reference
• 7 trackers seen
bigw.com.au
Business
• 13 trackers seen
brownells.com
E-Commerce
• 14 trackers seen
airfrance.fr
Recreation
• 6 trackers seen
immobilienscout24.de
Business
• 5 trackers seen
avis.com
Uncategorized
• 15 trackers seen
personalcapital.com
Business
• 6 trackers seen
dndbeyond.com
Entertainment
• 11 trackers seen
norwegian.com
Business
• 6 trackers seen
bergfreunde.de
E-Commerce
• 8 trackers seen
mrcooper.com
Uncategorized
• 11 trackers seen
springer.com
Business
• 4 trackers seen
mintmobile.com
Uncategorized
• 13 trackers seen
mangooutlet.com
E-Commerce
• 2 trackers seen
scmp.com
News and Portals
• 16 trackers seen
target.com.au
Uncategorized
• 13 trackers seen
everand.com
Uncategorized
• 7 trackers seen
neimanmarcus.com
Uncategorized
• 20 trackers seen
uwv.nl
Uncategorized
• 4 trackers seen
spektrum.de
Reference
• 10 trackers seen
mango.com
Business
• 2 trackers seen
zwift.com
Uncategorized
• 8 trackers seen
sigsauer.com
Uncategorized
• 12 trackers seen
fashionnova.com
E-Commerce
• 18 trackers seen
ae.com
Business
• 13 trackers seen
netgear.com
Business
• 9 trackers seen
britbox.com
Uncategorized
• 6 trackers seen
expertvoice.com
Uncategorized
• 6 trackers seen
gamma.app
Uncategorized
• 10 trackers seen
flashscore.com
Entertainment
• 7 trackers seen
tommy.com
Business
• 9 trackers seen
biglots.com
Uncategorized
• 14 trackers seen
crocs.com
Uncategorized
• 23 trackers seen
zooplus.de
E-Commerce
• 6 trackers seen
logos.com
Uncategorized
• 10 trackers seen
nypost.com
News and Portals
• 29 trackers seen
empower-retirement.com
Uncategorized
• 7 trackers seen
flashscore.pl
Entertainment
• 9 trackers seen
7news.com.au
Uncategorized
• 14 trackers seen
repco.com.au
Uncategorized
• 14 trackers seen
waveapps.com
Business
• 11 trackers seen
hannaford.com
Uncategorized
• 11 trackers seen
ctfs.com
Uncategorized
• 5 trackers seen
carid.com
E-Commerce
• 6 trackers seen
shudder.com
Uncategorized
• 8 trackers seen
calendly.com
Business
• 8 trackers seen
birkenstock.com
Business
• 12 trackers seen
papamurphys.com
Uncategorized
• 8 trackers seen
startribune.com
News and Portals
• 10 trackers seen
feverup.com
Uncategorized
• 10 trackers seen
nintendo.com
Business
• 6 trackers seen
stacksocial.com
Uncategorized
• 14 trackers seen
nrl.com
Uncategorized
• 11 trackers seen
castorama.pl
Business
• 8 trackers seen
cdw.com
Business
• 8 trackers seen
pge.com
Uncategorized
• 7 trackers seen
unity.com
Business
• 8 trackers seen
atlassian.net
Business
• 8 trackers seen
komplett.no
E-Commerce
• 9 trackers seen
chileautos.cl
Uncategorized
• 9 trackers seen
brooksrunning.com
Uncategorized
• 12 trackers seen
goodhousekeeping.com
Uncategorized
• 14 trackers seen
edx.org
Business
• 7 trackers seen
eurocarparts.com
Uncategorized
• 11 trackers seen
bestbuy.com
Business
• 7 trackers seen
pizzahut.com
Uncategorized
• 12 trackers seen
popularmechanics.com
Entertainment
• 14 trackers seen
eonnext.com
Uncategorized
• 12 trackers seen
hotmart.com
Uncategorized
• 7 trackers seen
bitly.com
Business
• 11 trackers seen
yoox.com
E-Commerce
• 10 trackers seen
mattel.com
Uncategorized
• 11 trackers seen
prioritypass.com
Uncategorized
• 5 trackers seen
sumup.com
Uncategorized
• 6 trackers seen
nike.com
E-Commerce
• 4 trackers seen
budget.com
Uncategorized
• 9 trackers seen
rs-online.com
Business
• 8 trackers seen
parchment.com
Uncategorized
• 7 trackers seen
heraldsun.com.au
News and Portals
• 18 trackers seen
williamhill.com
Business
• 8 trackers seen
open.ac.uk
Business
• 4 trackers seen
talktalk.co.uk
Business
• 7 trackers seen
delish.com
Entertainment
• 18 trackers seen
yeti.com
Uncategorized
• 13 trackers seen
sonos.com
Business
• 8 trackers seen
mongodb.com
Business
• 10 trackers seen
esquire.com
Entertainment
• 13 trackers seen
couriermail.com.au
Uncategorized
• 22 trackers seen
qantas.com
Recreation
• 6 trackers seen
zooplus.pl
Uncategorized
• 6 trackers seen
plarium.com
Entertainment
• 7 trackers seen
atlassian.com
Business
• 6 trackers seen
smartsheet.com
Business
• 4 trackers seen
barnesandnoble.com
Business
• 7 trackers seen
ring.com
Business
• 3 trackers seen
tickets.com
Uncategorized
• 13 trackers seen
jetstar.com
Recreation
• 10 trackers seen
grabcad.com
Uncategorized
• 8 trackers seen
diretta.it
Entertainment
• 8 trackers seen
brooksbrothers.com
Uncategorized
• 7 trackers seen
salesforce.com
Business
• 4 trackers seen
comptia.org
Uncategorized
• 11 trackers seen
sky.de
Business
• 8 trackers seen
misumi-ec.com
Uncategorized
• 7 trackers seen
cosmopolitan.com
Entertainment
• 13 trackers seen
celebritycruises.com
Uncategorized
• 16 trackers seen
economist.com
News and Portals
• 9 trackers seen
bill.com
Business
• 11 trackers seen
menshealth.com
Entertainment
• 11 trackers seen
lastminute.com
Recreation
• 9 trackers seen
tvspielfilm.de
News and Portals
• 5 trackers seen
zooplus.nl
Uncategorized
• 5 trackers seen
flashscore.fr
Uncategorized
• 8 trackers seen
skyshowtime.com
Uncategorized
• 5 trackers seen
verivox.de
Business
• 6 trackers seen
cathaypacific.com
Recreation
• 6 trackers seen
etoro.com
Business
• 10 trackers seen
mailchimp.com
Business
• 8 trackers seen
tv2.no
News and Portals
• 6 trackers seen
saksoff5th.com
Uncategorized
• 14 trackers seen
hertz.com
Business
• 8 trackers seen
ii.co.uk
Uncategorized
• 5 trackers seen
stradivarius.com
Uncategorized
• 5 trackers seen
sportsdirect.com
Business
• 8 trackers seen
elle.com
Entertainment
• 12 trackers seen
auth0.com
Business
• 5 trackers seen
hotjar.com
Business
• 10 trackers seen
steinberg.net
Uncategorized
• 4 trackers seen
pointclickcare.com
Uncategorized
• 2 trackers seen
caesars.com
Uncategorized
• 13 trackers seen
prezi.com
Business
• 8 trackers seen
airbaltic.com
Uncategorized
• 7 trackers seen
uber.com
Business
• 5 trackers seen
jet2holidays.com
Uncategorized
• 10 trackers seen
kamalaharris.com
Uncategorized
• 7 trackers seen
zoom.com
Uncategorized
• 7 trackers seen
kareo.com
Uncategorized
• 7 trackers seen
massimodutti.com
Business
• 5 trackers seen
verkkokauppa.com
Uncategorized
• 6 trackers seen
jdpower.com
Uncategorized
• 11 trackers seen
radiotimes.com
Entertainment
• 12 trackers seen
glassdoor.com
Business
• 8 trackers seen
flashscore.de
Entertainment
• 7 trackers seen
jcb.co.jp
Uncategorized
• 4 trackers seen
tesco.com
Business
• 4 trackers seen
starbucks.com
Business
• 6 trackers seen
barrons.com
Business
• 17 trackers seen
engie.fr
Business
• 4 trackers seen
eredmenyek.com
Entertainment
• 9 trackers seen
condor.com
Uncategorized
• 5 trackers seen
bloomberg.com
News and Portals
• 13 trackers seen
optus.com.au
Business
• 6 trackers seen
cengage.com
Business
• 5 trackers seen
the-sun.com
Uncategorized
• 14 trackers seen
bbcgoodfood.com
Reference
• 13 trackers seen
fanatics.com
E-Commerce
• 8 trackers seen
gmail.com
Uncategorized
• 6 trackers seen
usnews.com
News and Portals
• 12 trackers seen
tdsynnex.com
Uncategorized
• 7 trackers seen
foodnetwork.com
Entertainment
• 18 trackers seen
sendgrid.com
Business
• 5 trackers seen
bsh-group.com
Uncategorized
• 4 trackers seen
hsbc.co.uk
Banking
• 4 trackers seen
hugoboss.com
Uncategorized
• 9 trackers seen
actblue.com
Business
• 7 trackers seen
payoneer.com
Business
• 7 trackers seen
bergfreunde.nl
Uncategorized
• 7 trackers seen
confused.com
Uncategorized
• 6 trackers seen
flashscore.gr
Uncategorized
• 6 trackers seen
callofduty.com
Uncategorized
• 5 trackers seen
fotocasa.es
Uncategorized
• 9 trackers seen
bosch-professional.com
Uncategorized
• 5 trackers seen
unimelb.edu.au
Reference
• 6 trackers seen
rezultati.com
Entertainment
• 9 trackers seen
flashscore.pt
Uncategorized
• 8 trackers seen
houseoffraser.co.uk
Uncategorized
• 7 trackers seen
coches.net
E-Commerce
• 7 trackers seen
klaviyo.com
Business
• 10 trackers seen
flashscore.ro
Entertainment
• 9 trackers seen
sofi.com
Uncategorized
• 6 trackers seen
flashscore.es
Uncategorized
• 8 trackers seen
leroymerlin.es
Business
• 5 trackers seen
kia.com
Business
• 7 trackers seen
flashscore.co.uk
Uncategorized
• 7 trackers seen
flashscore.ua
Uncategorized
• 7 trackers seen
lyreco.com
Uncategorized
• 6 trackers seen
gamestop.com
Entertainment
• 9 trackers seen
engie.be
Uncategorized
• 5 trackers seen
metro.de
Uncategorized
• 4 trackers seen
shaw.ca
Uncategorized
• 8 trackers seen
aerlingus.com
Recreation
• 4 trackers seen
biomedcentral.com
Uncategorized
• 4 trackers seen
hgtv.com
Entertainment
• 21 trackers seen
cos.com
Uncategorized
• 8 trackers seen
tableau.com
Business
• 4 trackers seen
cbc.ca
News and Portals
• 14 trackers seen
hollandandbarrett.com
Uncategorized
• 6 trackers seen
1und1.de
Business
• 5 trackers seen
adyen.com
Uncategorized
• 4 trackers seen
o2.co.uk
Uncategorized
• 5 trackers seen
anandtech.com
Entertainment
• 8 trackers seen
flashscore.com.br
Uncategorized
• 9 trackers seen
finanzen100.de
News and Portals
• 8 trackers seen
kiwibank.co.nz
Banking
• 3 trackers seen
newbalance.com
Uncategorized
• 16 trackers seen
mindbodyonline.com
Business
• 7 trackers seen
unir.net
Uncategorized
• 4 trackers seen
straitstimes.com
News and Portals
• 16 trackers seen
paychex.com
Uncategorized
• 5 trackers seen
wowtv.de
Uncategorized
• 6 trackers seen
theaustralian.com.au
News and Portals
• 19 trackers seen
asu.edu
Reference
• 6 trackers seen
livesport.cz
Entertainment
• 9 trackers seen
noredink.com
Uncategorized
• 5 trackers seen
codecademy.com
Reference
• 6 trackers seen
otodom.pl
Business
• 6 trackers seen
time.com
News and Portals
• 16 trackers seen
s3.amazonaws.com
Uncategorized
• 5 trackers seen
bergfreunde.eu
Uncategorized
• 6 trackers seen
bit.ly
Uncategorized
• 5 trackers seen
travelers.com
Uncategorized
• 4 trackers seen
aib.ie
Banking
• 2 trackers seen
bershka.com
Business
• 5 trackers seen
akc.org
Uncategorized
• 14 trackers seen
arket.com
Uncategorized
• 7 trackers seen
stories.com
Business
• 8 trackers seen
aaa.com
Business
• 8 trackers seen
mathway.com
Uncategorized
• 23 trackers seen
algonquincollege.com
Uncategorized
• 3 trackers seen
glassdoor.co.uk
Business
• 7 trackers seen
firsttechfed.com
Uncategorized
• 6 trackers seen
kraken.com
Business
• 5 trackers seen
rippling.com
Uncategorized
• 7 trackers seen
revolve.com
Uncategorized
• 18 trackers seen
adoptapet.com
Uncategorized
• 10 trackers seen
glassdoor.co.in
Uncategorized
• 7 trackers seen
morningstar.com
Business
• 7 trackers seen
acronis.com
Business
• 4 trackers seen
dazn.com
Business
• 7 trackers seen
moneysavingexpert.com
Entertainment
• 3 trackers seen
sage.com
Uncategorized
• 5 trackers seen
square-enix-games.com
Entertainment
• 9 trackers seen
capitaloneshopping.com
Uncategorized
• 7 trackers seen
cvent.com
Business
• 3 trackers seen
therealreal.com
E-Commerce
• 10 trackers seen
britishcouncil.org
Uncategorized
• 5 trackers seen
doi.org
Uncategorized
• 6 trackers seen
techtarget.com
Business
• 7 trackers seen
hackerrank.com
Business
• 5 trackers seen
weebly.com
Business
• 6 trackers seen
theaa.com
Uncategorized
• 6 trackers seen
newegg.ca
E-Commerce
• 6 trackers seen
zattoo.com
Business
• 6 trackers seen
ica.se
Uncategorized
• 4 trackers seen
glassdoor.fr
Uncategorized
• 6 trackers seen
milanuncios.com
E-Commerce
• 6 trackers seen
bosch-home.com
Uncategorized
• 4 trackers seen
flashscore.dk
Uncategorized
• 8 trackers seen
seb.se
Uncategorized
• 2 trackers seen
flashscore.nl
Uncategorized
• 8 trackers seen
ycombinator.com
Business
• 5 trackers seen
springernature.com
Uncategorized
• 2 trackers seen
gartner.com
Business
• 6 trackers seen
23andme.com
Business
• 4 trackers seen
fortune.com
Business
• 11 trackers seen
moneysupermarket.com
Uncategorized
• 4 trackers seen
getjobber.com
Uncategorized
• 10 trackers seen
hotmail.com
Uncategorized
• 6 trackers seen
paris2024.org
Uncategorized
• 4 trackers seen
circleci.com
Business
• 7 trackers seen
mediamarkt.nl
Business
• 6 trackers seen
jbl.com
Uncategorized
• 11 trackers seen
order.online
Uncategorized
• 9 trackers seen
glassdoor.ca
Uncategorized
• 7 trackers seen
pipedrive.com
Uncategorized
• 6 trackers seen
ucsd.edu
Reference
• 4 trackers seen
outbrain.com
Uncategorized
• 26 trackers seen
checkout.com
Uncategorized
• 4 trackers seen
wholefoodsmarket.com
Uncategorized
• 6 trackers seen
wnba.com
Uncategorized
• 6 trackers seen
nowtv.com
Entertainment
• 7 trackers seen
servicetitan.com
Uncategorized
• 8 trackers seen
liveauctioneers.com
Uncategorized
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