Most Common Third-Party Domains
Ranked by how many of our tracked sites load them
| # | Domain | Category | Found On | Avg Size | Total Size |
|---|---|---|---|---|---|
| 1 | googletagmanager.com | analytics | 20 of 56 sites | 324.6 KB | 6.3 MB |
| 2 | doubleclick.net | advertising | 12 of 56 sites | 209.1 KB | 2.5 MB |
| 3 | gstatic.com | cdn | 12 of 56 sites | 265.0 KB | 3.1 MB |
| 4 | googleapis.com | cdn | 8 of 56 sites | 70.1 KB | 561.2 KB |
| 5 | amazon-adsystem.com | advertising | 5 of 56 sites | 109.2 KB | 546.2 KB |
| 6 | cloudfront.net | cdn | 4 of 56 sites | 225.8 KB | 903.1 KB |
| 7 | googlesyndication.com | advertising | 4 of 56 sites | 86.2 KB | 344.7 KB |
| 8 | googleadservices.com | advertising | 2 of 56 sites | 13.4 KB | 26.8 KB |
| 9 | amplitude.com | analytics | 2 of 56 sites | 31.4 KB | 62.8 KB |
| 10 | googletagservices.com | advertising | 2 of 56 sites | 34.7 KB | 69.4 KB |
| 11 | optimizely.com | analytics | 2 of 56 sites | 94.3 KB | 188.7 KB |
| 12 | facebook.net | social | 2 of 56 sites | 141.8 KB | 283.5 KB |
| 13 | adobedtm.com | analytics | 2 of 56 sites | 96.0 KB | 192.0 KB |
| 14 | pinterest.com | social | 1 of 56 sites | 1.0 KB | 1.0 KB |
| 15 | facebook.com | social | 1 of 56 sites | 942 B | 942 B |
| 16 | cloudflare.com | cdn | 1 of 56 sites | 23.4 KB | 23.4 KB |
| 17 | chartbeat.com | analytics | 1 of 56 sites | 16.1 KB | 16.1 KB |
| 18 | rubiconproject.com | advertising | 1 of 56 sites | 165.6 KB | 165.6 KB |
| 19 | fbcdn.net | social | 1 of 56 sites | 2.0 MB | 2.0 MB |
| 20 | google-analytics.com | analytics | 1 of 56 sites | 22.1 KB | 22.1 KB |
| 21 | demdex.net | advertising | 1 of 56 sites | 3.7 KB | 3.7 KB |
| 22 | media.net | advertising | 1 of 56 sites | 193.9 KB | 193.9 KB |
| 23 | twimg.com | social | 1 of 56 sites | 4.2 MB | 4.2 MB |