On ebay.com, advertising and tracking add ≈ 20,892 g CO₂ per million pageviews (15,793 g from ad-serving alone) — 4.0× the index average, cleaner than 6% of the sites we measure.
Ad-relevant
20892
g CO₂ / 1M pageviews
Ad-serving only
15793
g CO₂ / 1M pageviews
251
kg CO₂ / year at 1M pageviews per month
6
% cleaner than the DACH index
24
% of the footprint is tracking overhead, not ad-serving
Measured on the live electricity grid from public page-load data — an estimate of a site's ad-tech architecture, not a measured campaign figure. See the methodology →