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NBC News

https://www.nbcnews.com · measured 2026-10-12 from GitHub servers in the US · US

32tracking services contacted · band D
70third-party domains
322third-party requests
5.2 MBfrom third parties, 52% of 10.1 MB transferred (2.3 MB from tracking services)
89third-party cookies (140 in total)

What we measured

During a 12-second window with no user interaction, the page made 322 requests to 70 third-party domains (median of 3 passes).
Of 10.1 MB transferred in that window (compressed responses that finished loading), 5.2 MB (52%) came from third-party domains, 2.3 MB of it from services classified as tracking (163 requests).
30 third-party services classified as advertising, analytics, social or audience measurement were contacted before any interaction: 3lift.com (TripleLift, advertising), adnxs.com (Microsoft (Xandr), advertising), adsrvr.org (The Trade Desk, advertising), adtrafficquality.google (Google, advertising), amazon-adsystem.com (Amazon, advertising), bidr.io (Beeswax, advertising), bidswitch.net (Iponweb (BidSwitch), advertising), casalemedia.com (Index Exchange, advertising), creativecdn.com (RTB House, advertising), criteo.com (Criteo, advertising).
89 cookies were set by third-party domains (140 cookies in total).

Comparison with last week

  • Third-party domain no longer seen: company-target.com
  • Third-party domain no longer seen: ctnsnet.com

What each tracking service did on your computer

Counted in the browser that loaded this page, before any interaction: 30 tracking services ran 41 scripts, made 161 requests in total and set 52 cookies (51 that stay after you close the browser). We see that these things happened, not what was sent or what the service does with it afterwards. What these mean.

ServiceOperator and typeIn your browser
taboola.comTaboola
Advertising		 ran 16 scripts in the browser; made 5 image requests (often tiny “pixels”); made 10 background requests to send or fetch data; loaded 2 embedded frames; loaded 1 other resource (styles, fonts, media); set 4 cookies (3 that stay after you close the browser, the longest lasting about 365 days).
doubleclick.netGoogle
Advertising		 ran 2 scripts in the browser; made 5 image requests (often tiny “pixels”); made 12 background requests to send or fetch data; loaded 2 embedded frames; loaded 1 other resource (styles, fonts, media); set 1 cookie (1 that stays after you close the browser, the longest lasting about 400 days).
rubiconproject.comMagnite
Advertising		 ran 2 scripts in the browser; made 10 image requests (often tiny “pixels”); made 4 background requests to send or fetch data; loaded 1 embedded frame; set 5 cookies (5 that stay after you close the browser, the longest lasting about 365 days).
googlesyndication.comGoogle
Advertising		 ran 3 scripts in the browser; made 3 image requests (often tiny “pixels”); made 10 background requests to send or fetch data; loaded 1 embedded frame.
doubleverify.comDoubleVerify
Advertising		 ran 5 scripts in the browser; made 9 background requests to send or fetch data.
pubmatic.comPubMatic
Advertising		 made 1 image request (often tiny “pixels”); made 2 background requests to send or fetch data; set 7 cookies (7 that stay after you close the browser, the longest lasting about 365 days).
amazon-adsystem.comAmazon
Advertising		 ran 3 scripts in the browser; made 2 image requests (often tiny “pixels”); made 2 background requests to send or fetch data; set 2 cookies (2 that stay after you close the browser, the longest lasting about 400 days).
demdex.netAdobe
Advertising		 made 1 image request (often tiny “pixels”); made 2 background requests to send or fetch data; loaded 1 embedded frame; set 3 cookies (3 that stay after you close the browser, the longest lasting about 180 days).
casalemedia.comIndex Exchange
Advertising		 made 1 image request (often tiny “pixels”); made 1 background request to send or fetch data; loaded 1 embedded frame; set 3 cookies (3 that stay after you close the browser, the longest lasting about 365 days).
media.netMedia.net
Advertising		 made 1 image request (often tiny “pixels”); made 1 background request to send or fetch data; set 4 cookies (4 that stay after you close the browser, the longest lasting about 365 days).
openx.netOpenX
Advertising		 made 1 image request (often tiny “pixels”); made 3 background requests to send or fetch data; set 2 cookies (2 that stay after you close the browser, the longest lasting about 365 days).
adsrvr.orgThe Trade Desk
Advertising		 made 3 image requests (often tiny “pixels”); set 2 cookies (2 that stay after you close the browser, the longest lasting about 365 days).
adtrafficquality.googleGoogle
Advertising		 ran 1 script in the browser; made 2 image requests (often tiny “pixels”); made 1 background request to send or fetch data; loaded 1 embedded frame.
cxense.comPiano (Cxense)
Advertising		 ran 3 scripts in the browser; made 1 image request (often tiny “pixels”); set 1 cookie (1 that stays after you close the browser, the longest lasting about 365 days).
scorecardresearch.comComscore
Audience measurement		 ran 1 script in the browser; made 2 image requests (often tiny “pixels”); set 2 cookies (2 that stay after you close the browser, the longest lasting about 390 days).
adnxs.comMicrosoft (Xandr)
Advertising		 made 1 image request (often tiny “pixels”); set 3 cookies (3 that stay after you close the browser, the longest lasting about 90 days).
bidswitch.netIponweb (BidSwitch)
Advertising		 made 1 image request (often tiny “pixels”); set 3 cookies (3 that stay after you close the browser, the longest lasting about 365 days).
criteo.comCriteo
Advertising		 ran 1 script in the browser; made 1 background request to send or fetch data; set 2 cookies (2 that stay after you close the browser, the longest lasting about 390 days).
rlcdn.comLiveRamp
Advertising		 ran 1 script in the browser; made 1 image request (often tiny “pixels”); set 2 cookies (2 that stay after you close the browser, the longest lasting about 365 days).
bidr.ioBeeswax
Advertising		 made 1 image request (often tiny “pixels”); set 2 cookies (2 that stay after you close the browser, the longest lasting about 395 days).
creativecdn.comRTB House
Advertising		 made 1 image request (often tiny “pixels”); set 2 cookies (2 that stay after you close the browser, the longest lasting about 365 days).
parsely.comParse.ly
Analytics		 ran 2 scripts in the browser; made 1 image request (often tiny “pixels”).
sharethrough.comSharethrough
Advertising		 made 1 image request (often tiny “pixels”); set 1 cookie (1 that stays after you close the browser, the longest lasting about 30 days).
trustx.orgTrustX
Advertising		 made 1 background request to send or fetch data; set 1 cookie (1 that stays after you close the browser, the longest lasting about 180 days).
3lift.comTripleLift
Advertising		 made 1 background request to send or fetch data.
dv.techDoubleVerify
Advertising		 made 1 background request to send or fetch data.
fwmrm.netFreeWheel
Advertising		 ran 1 script in the browser.
kargo.comKargo
Advertising		 made 1 background request to send or fetch data.
privacymanager.ioLiveRamp
Advertising		 made 1 background request to send or fetch data.
unrulymedia.comUnruly
Advertising		 made 1 background request to send or fetch data.

Companies behind the tracking services

Operators as named in our list; subsidiaries are not merged. See how many sites each operator reaches.

  • Google — adtrafficquality.google, doubleclick.net, googlesyndication.com (72% of the measured sites)
  • Amazon — amazon-adsystem.com (54% of the measured sites)
  • Comscore — scorecardresearch.com (46% of the measured sites)
  • The Trade Desk — adsrvr.org (41% of the measured sites)
  • Microsoft (Xandr) — adnxs.com (38% of the measured sites)
  • PubMatic — pubmatic.com (38% of the measured sites)
  • Adobe — demdex.net (36% of the measured sites)
  • Beeswax — bidr.io (36% of the measured sites)
  • Criteo — criteo.com (36% of the measured sites)
  • Index Exchange — casalemedia.com (36% of the measured sites)
  • Iponweb (BidSwitch) — bidswitch.net (36% of the measured sites)
  • LiveRamp — privacymanager.io, rlcdn.com (36% of the measured sites)
  • Magnite — rubiconproject.com (36% of the measured sites)
  • OpenX — openx.net (36% of the measured sites)
  • RTB House — creativecdn.com (36% of the measured sites)
  • Media.net — media.net (33% of the measured sites)
  • TripleLift — 3lift.com (33% of the measured sites)
  • FreeWheel — fwmrm.net (28% of the measured sites)
  • Taboola — taboola.com (28% of the measured sites)
  • Sharethrough — sharethrough.com (23% of the measured sites)
  • Kargo — kargo.com (21% of the measured sites)
  • Piano (Cxense) — cxense.com (18% of the measured sites)
  • DoubleVerify — doubleverify.com, dv.tech (13% of the measured sites)
  • Parse.ly — parsely.com (10% of the measured sites)
  • Unruly — unrulymedia.com (10% of the measured sites)
  • TrustX — trustx.org (8% of the measured sites)

Third-party domains

Only changes seen in most passes count as stable. “Unclassified” means the domain is not in our list, not that it is harmless.

DomainServiceCategoryPasses seen
3lift.comTripleLiftAdvertising3/3
adform.netAdformAdvertising1/3
adnxs.comMicrosoft (Xandr)Advertising3/3
adobedtm.comAdobeTag managers3/3
adsrvr.orgThe Trade DeskAdvertising3/3
adtrafficquality.googleGoogleAdvertising3/3
amazon-adsystem.comAmazonAdvertising3/3
bidr.ioBeeswaxAdvertising3/3
bidswitch.netIponweb (BidSwitch)Advertising3/3
bttrack.comBidtellectAdvertising1/3
casalemedia.comIndex ExchangeAdvertising3/3
cognitivlabs.comCognitivAdvertising1/3
cookielaw.orgOneTrustConsent management3/3
creativecdn.comRTB HouseAdvertising3/3
criteo.comCriteoAdvertising3/3
cxense.comPiano (Cxense)Advertising3/3
demdex.netAdobeAdvertising3/3
dotomi.comConversantAdvertising1/3
doubleclick.netGoogleAdvertising3/3
doubleverify.comDoubleVerifyAdvertising3/3
dv.techDoubleVerifyAdvertising3/3
fwmrm.netFreeWheelAdvertising3/3
googlesyndication.comGoogleAdvertising3/3
googletagmanager.comGoogleTag managers3/3
kargo.comKargoAdvertising3/3
mathtag.comMediaMathAdvertising1/3
media.netMedia.netAdvertising3/3
mediago.ioMediaGo (Baidu)Advertising1/3
onetrust.comOneTrustConsent management3/3
openx.netOpenXAdvertising3/3
outbrain.comOutbrainAdvertising1/3
parsely.comParse.lyAnalytics3/3
piano.ioPianoPaywalls and subscriptions3/3
privacymanager.ioLiveRampAdvertising3/3
pubmatic.comPubMaticAdvertising3/3
rfihub.comRocket FuelAdvertising1/3
rlcdn.comLiveRampAdvertising3/3
rubiconproject.comMagniteAdvertising3/3
scorecardresearch.comComscoreAudience measurement3/3
sharethrough.comSharethroughAdvertising3/3
taboola.comTaboolaAdvertising3/3
tinypass.comPianoPaywalls and subscriptions3/3
trustx.orgTrustXAdvertising3/3
unrulymedia.comUnrulyAdvertising3/3
ad-score.comUnclassified1/3
admantx.comUnclassified3/3
adroll.comUnclassified1/3
akamaized.netUnclassified3/3
amazonaws.comUnclassified3/3
company-target.comUnclassified1/3
conviva.comUnclassified3/3
go-mpulse.netUnclassified3/3
google.comUnclassified3/3
ipredictive.comUnclassified2/3
iteratehq.comUnclassified3/3
jwpcdn.comUnclassified3/3
jwplayer.comUnclassified3/3
jwpltx.comUnclassified3/3
lightboxcdn.comUnclassified3/3
marketiq.comUnclassified1/3
mparticle.comUnclassified3/3
nbcuni.comUnclassified3/3
plrsrvcs.comUnclassified3/3
polarcdn-engine.comUnclassified3/3
polarcdn-terrax.comUnclassified3/3
polarcdn.comUnclassified3/3
researchnow.comUnclassified3/3
reson8.comUnclassified3/3
rkdms.comUnclassified3/3
sail-horizon.comUnclassified3/3
sail-personalize.comUnclassified3/3
securedvisit.comUnclassified3/3
smartadhi.comUnclassified1/3
tru.amUnclassified3/3
tvpixel.comUnclassified3/3
tvsquared.comUnclassified3/3
wingify.netUnclassified3/3
wywrd.comUnclassified3/3
yahoo.comUnclassified3/3

Evolution

2026-10-04: 332026-10-09: 312026-10-12: 32

Tracking services contacted each week. Only weeks measured from the same place are plotted together.

History

DateMeasured fromStatusTracking services
2026-10-04GitHub servers in the USok33
2026-10-09GitHub servers in the USok31
2026-10-12GitHub servers in the USok32

Raw report: JSON