On tripadvisor.com.br, advertising and tracking add ≈ 2,368 g CO₂ per million pageviews (1,921 g from ad-serving alone) — 0.5× the index average, cleaner than 45% of the sites we measure.
Ad-relevant
2368
g CO₂ / 1M pageviews
Ad-serving only
1921
g CO₂ / 1M pageviews
28
kg CO₂ / year at 1M pageviews per month
45
% cleaner than the DACH index
19
% 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 →