AD-CARBON FOOTPRINT · DACH INDEX

walmart.com

Shopping
US
A
Ad-carbon grade
On walmart.com, advertising and tracking add ≈ 2 g CO₂ per million pageviews (1 g from ad-serving alone) — 0.0× the index average, cleaner than 87% of the sites we measure.
Ad-relevant
2
g CO₂ / 1M pageviews
Ad-serving only
1
g CO₂ / 1M pageviews
0
kg CO₂ / year at 1M pageviews per month
87
% cleaner than the DACH index
50
% 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 →

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