On hvg.hu, advertising and tracking add ≈ 5,671 g CO₂ per million pageviews (5,192 g from ad-serving alone) — 1.1× the index average, cleaner than 28% of the sites we measure.
Ad-relevant
5671
g CO₂ / 1M pageviews
Ad-serving only
5192
g CO₂ / 1M pageviews
68
kg CO₂ / year at 1M pageviews per month
28
% cleaner than the DACH index
8
% 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 →