excludes Facebook desktop, social other than Facebook and Twitter, search and OTT
Supplementary notes
The source provides the following explanation:
"Impressions – number of times a particular creative is loaded on a page as estimated by Pathmatics.
Methodology (Estimating Impressions) - We use statistical sampling methods to calculate impression estimates. We take the sample data from our panels and crawlers and combine it with third-party aggregate data to extrapolate our sample data to market estimates of impressions. Some of the data used in the extrapolation: monthly traffic data for each site tracked; IAB quarterly spend estimates for each tracked format; Facebook and Twitter quarterly earnings reports."
Citation formats
Leading U.S. online advertisers in Q1 2020, by impressions
In a recent study of the online advertising universe in the United States conducted in the first quarter of 2020, it was found that Disney was the largest advertiser in the measured period, having amassed approximately **** billion impressions on U.S. websites. Amazon followed close behind, with ** billion advertising impressions.
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Pathmatics. (April 2, 2020). Leading online advertisers in the United States in 1st quarter 2020, by number of impressions (in billions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 07, 2026, from /statistics/266882/us-online-advertisers-ranked-by-impressions/
Pathmatics. "Leading online advertisers in the United States in 1st quarter 2020, by number of impressions (in billions)." Chart. April 2, 2020. ÌÇÐÄÆƽâ°æ. Accessed August 07, 2026. /statistics/266882/us-online-advertisers-ranked-by-impressions/
Pathmatics. (2020). Leading online advertisers in the United States in 1st quarter 2020, by number of impressions (in billions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 07, 2026. /statistics/266882/us-online-advertisers-ranked-by-impressions/
Pathmatics. "Leading Online Advertisers in The United States in 1st Quarter 2020, by Number of Impressions (in Billions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 2 Apr 2020, /statistics/266882/us-online-advertisers-ranked-by-impressions/
Pathmatics, Leading online advertisers in the United States in 1st quarter 2020, by number of impressions (in billions) ÌÇÐÄÆƽâ°æ, /statistics/266882/us-online-advertisers-ranked-by-impressions/ (last visited August 07, 2026)
Leading online advertisers in the United States in 1st quarter 2020, by number of impressions (in billions) [Graph], Pathmatics, April 2, 2020. [Online]. Available: /statistics/266882/us-online-advertisers-ranked-by-impressions/
