On clicrbs.com.br, advertising and tracking add ≈ 10,090 g CO₂ per million pageviews (7,625 g from ad-serving alone) — 1.9× the index average, cleaner than 15% of the sites we measure.
Ad-relevant
10090
g CO₂ / 1M pageviews
Ad-serving only
7625
g CO₂ / 1M pageviews
121
kg CO₂ / year at 1M pageviews per month
15
% cleaner than the DACH index
24
% 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 →