On atptour.com, advertising and tracking add ≈ 13,939 g CO₂ per million pageviews (7,852 g from ad-serving alone) — 2.7× the index average, cleaner than 11% of the sites we measure.
Ad-relevant
13939
g CO₂ / 1M pageviews
Ad-serving only
7852
g CO₂ / 1M pageviews
167
kg CO₂ / year at 1M pageviews per month
11
% cleaner than the DACH index
44
% 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 →