On mercadolivre.com.br, advertising and tracking add ≈ 383 g CO₂ per million pageviews (231 g from ad-serving alone) — 0.1× the index average, cleaner than 74% of the sites we measure.
Ad-relevant
383
g CO₂ / 1M pageviews
Ad-serving only
231
g CO₂ / 1M pageviews
5
kg CO₂ / year at 1M pageviews per month
74
% cleaner than the DACH index
40
% 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 →