On msn.com, advertising and tracking add ≈ 9,941 g CO₂ per million pageviews (9,941 g from ad-serving alone) — 1.9× the index average, cleaner than 15% of the sites we measure.
Ad-relevant
9941
g CO₂ / 1M pageviews
Ad-serving only
9941
g CO₂ / 1M pageviews
119
kg CO₂ / year at 1M pageviews per month
15
% cleaner than the DACH index
0
% 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 →