On hockeydb.com, advertising and tracking add ≈ 18,838 g CO₂ per million pageviews (16,868 g from ad-serving alone) — 3.6× the index average, cleaner than 7% of the sites we measure.
Ad-relevant
18838
g CO₂ / 1M pageviews
Ad-serving only
16868
g CO₂ / 1M pageviews
226
kg CO₂ / year at 1M pageviews per month
7
% cleaner than the DACH index
10
% 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 →