ESPN
https://www.espn.com · measured 2026-10-12 from GitHub servers in the US · US · sports
18tracking services contacted · band C
30third-party domains
118third-party requests
3.7 MBfrom third parties, 53% of 7.1 MB transferred (1.0 MB from tracking services)
33third-party cookies (58 in total)
What we measured
During a 12-second window with no user interaction, the page made 118 requests to 30 third-party domains (median of 3 passes).
Of 7.1 MB transferred in that window (compressed responses that finished loading), 3.7 MB (53%) came from third-party domains, 1.0 MB of it from services classified as tracking (73 requests).
17 third-party services classified as advertising, analytics, social or audience measurement were contacted before any interaction: 2mdn.net (Google, advertising), adnxs.com (Microsoft (Xandr), advertising), adsrvr.org (The Trade Desk, advertising), adtrafficquality.google (Google, advertising), bidswitch.net (Iponweb (BidSwitch), advertising), casalemedia.com (Index Exchange, advertising), doubleclick.net (Google, advertising), googlesyndication.com (Google, advertising), googletagservices.com (Google, advertising), indexww.com (Index Exchange, advertising).
33 cookies were set by third-party domains (58 cookies in total).
The main document response did not include a Strict-Transport-Security header.
The main document response did not include a Content-Security-Policy header or meta tag.
Comparison with last week
- Added tracking service: quantserve.com (Quantcast, audience measurement)
- Added tracking service: sitescout.com (Basis (SiteScout), advertising)
- No longer seen: creativecdn.com
- No longer seen: criteo.com
- No longer seen: criteo.net
- No longer seen: crwdcntrl.net
- No longer seen: id5-sync.com
- No longer seen: openx.net
- No longer seen: openxcdn.net
- No longer seen: pubmatic.com
- No longer seen: turn.com
- New third-party domain: quantserve.com
- New third-party domain: sitescout.com
- Third-party domain no longer seen: creativecdn.com
- Third-party domain no longer seen: criteo.com
- Third-party domain no longer seen: criteo.net
- Third-party domain no longer seen: crwdcntrl.net
- Third-party domain no longer seen: ctnsnet.com
- Third-party domain no longer seen: id5-sync.com
- Third-party domain no longer seen: im-apps.net
- Third-party domain no longer seen: mgaru.dev
- Third-party domain no longer seen: mygaru.com
- Third-party domain no longer seen: openx.net
- Third-party domain no longer seen: openxcdn.net
- Third-party domain no longer seen: pubmatic.com
- Third-party domain no longer seen: turn.com
What each tracking service did on your computer
Counted in the browser that loaded this page, before any interaction: 17 tracking services ran 17 scripts, made 73 requests in total and set 19 cookies (19 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.
| Service | Operator and type | In your browser |
|---|---|---|
adtrafficquality.google | Google Advertising |
ran 5 scripts in the browser; made 4 image requests (often tiny “pixels”); made 1 background request to send or fetch data; loaded 3 embedded frames. |
googlesyndication.com | Google Advertising |
ran 3 scripts in the browser; made 1 image request (often tiny “pixels”); made 8 background requests to send or fetch data; loaded 1 embedded frame. |
doubleclick.net | Google Advertising |
ran 2 scripts in the browser; made 1 image request (often tiny “pixels”); made 7 background requests to send or fetch data; loaded 1 other resource (styles, fonts, media); set 1 cookie (1 that stays after you close the browser, the longest lasting about 400 days). |
adnxs.com | Microsoft (Xandr) Advertising |
ran 4 scripts in the browser; made 2 background requests to send or fetch data; loaded 2 embedded frames; set 2 cookies (2 that stay after you close the browser, the longest lasting about 90 days). |
casalemedia.com | Index 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). |
taboola.com | Taboola Advertising |
ran 1 script in the browser; made 2 background requests to send or fetch data; loaded 1 embedded frame; set 2 cookies (2 that stay after you close the browser, the longest lasting about 365 days). |
trustx.org | TrustX Advertising |
made 1 image request (often tiny “pixels”); made 2 background requests to send or fetch data; loaded 1 embedded frame; set 2 cookies (2 that stay after you close the browser, the longest lasting about 180 days). |
adsrvr.org | The Trade Desk Advertising |
made 2 image requests (often tiny “pixels”); set 2 cookies (2 that stay after you close the browser, the longest lasting about 365 days). |
bidswitch.net | Iponweb (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). |
rubiconproject.com | Magnite Advertising |
ran 1 script in the browser; made 3 background requests to send or fetch data. |
quantserve.com | Quantcast Audience measurement |
made 1 image request (often tiny “pixels”); set 2 cookies (2 that stay after you close the browser, the longest lasting about 395 days). |
sitescout.com | Basis (SiteScout) 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). |
2mdn.net | Google Advertising |
made 2 image requests (often tiny “pixels”). |
indexww.com | Index Exchange Advertising |
made 1 image request (often tiny “pixels”); loaded 1 embedded frame. |
unrulymedia.com | Unruly Advertising |
made 2 background requests to send or fetch data. |
googletagservices.com | Google Advertising |
ran 1 script in the browser. |
kargo.com | Kargo 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 — 2mdn.net, adtrafficquality.google, doubleclick.net, googlesyndication.com, googletagservices.com (72% of the measured sites)
- The Trade Desk — adsrvr.org (41% of the measured sites)
- Microsoft (Xandr) — adnxs.com (38% of the measured sites)
- Index Exchange — casalemedia.com, indexww.com (36% of the measured sites)
- Iponweb (BidSwitch) — bidswitch.net (36% of the measured sites)
- Magnite — rubiconproject.com (36% of the measured sites)
- Basis (SiteScout) — sitescout.com (28% of the measured sites)
- Quantcast — quantserve.com (28% of the measured sites)
- Taboola — taboola.com (28% of the measured sites)
- Kargo — kargo.com (21% 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.
| Domain | Service | Category | Passes seen |
|---|---|---|---|
| 2mdn.net | Advertising | 3/3 | |
| 360yield.com | Improve Digital | Advertising | 1/3 |
| acuityplatform.com | Acuity Ads | Advertising | 1/3 |
| adnxs.com | Microsoft (Xandr) | Advertising | 3/3 |
| adsrvr.org | The Trade Desk | Advertising | 3/3 |
| adtrafficquality.google | Advertising | 3/3 | |
| bidr.io | Beeswax | Advertising | 1/3 |
| bidswitch.net | Iponweb (BidSwitch) | Advertising | 3/3 |
| casalemedia.com | Index Exchange | Advertising | 3/3 |
| cookielaw.org | OneTrust | Consent management | 3/3 |
| doubleclick.net | Advertising | 3/3 | |
| everesttech.net | Adobe Advertising | Advertising | 1/3 |
| googlesyndication.com | Advertising | 3/3 | |
| googletagmanager.com | Tag managers | 3/3 | |
| googletagservices.com | Advertising | 3/3 | |
| indexww.com | Index Exchange | Advertising | 3/3 |
| kargo.com | Kargo | Advertising | 3/3 |
| liadm.com | LiveIntent | Advertising | 1/3 |
| mediago.io | MediaGo (Baidu) | Advertising | 1/3 |
| outbrain.com | Outbrain | Advertising | 1/3 |
| quantserve.com | Quantcast | Audience measurement | 2/3 |
| rubiconproject.com | Magnite | Advertising | 3/3 |
| sitescout.com | Basis (SiteScout) | Advertising | 2/3 |
| taboola.com | Taboola | Advertising | 3/3 |
| trustx.org | TrustX | Advertising | 3/3 |
| unrulymedia.com | Unruly | Advertising | 3/3 |
| akamaized.net | Unclassified | 3/3 | |
| awswaf.com | Unclassified | 3/3 | |
| bamgrid.com | Unclassified | 3/3 | |
| delivrdsp.ai | Unclassified | 1/3 | |
| google.com | Unclassified | 3/3 | |
| gstatic.com | Unclassified | 3/3 | |
| jsdelivr.net | Unclassified | 3/3 | |
| smartadhi.com | Unclassified | 1/3 | |
| temu.com | Unclassified | 1/3 | |
| webcontentassessor.com | Unclassified | 3/3 | |
| yahoo.com | Unclassified | 3/3 |
Evolution
Tracking services contacted each week. Only weeks measured from the same place are plotted together.
History
| Date | Measured from | Status | Tracking services |
|---|---|---|---|
| 2026-10-04 | GitHub servers in the US | ok | 26 |
| 2026-10-09 | GitHub servers in the US | ok | 26 |
| 2026-10-12 | GitHub servers in the US | ok | 18 |
Raw report: JSON