On tabelog.com, advertising and tracking add ≈ 21,797 g CO₂ per million pageviews (7,325 g from ad-serving alone) — 4.2× the index average, cleaner than 6% of the sites we measure.
Ad-relevant
21797
g CO₂ / 1M pageviews
Ad-serving only
7325
g CO₂ / 1M pageviews
262
kg CO₂ / year at 1M pageviews per month
6
% cleaner than the DACH index
66
% 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 →