On petmd.com, advertising and tracking add ≈ 7,222 g CO₂ per million pageviews (0 g from ad-serving alone) — 1.4× the index average, cleaner than 23% of the sites we measure.
Ad-relevant
7222
g CO₂ / 1M pageviews
Ad-serving only
0
g CO₂ / 1M pageviews
87
kg CO₂ / year at 1M pageviews per month
23
% cleaner than the DACH index
100
% 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 →