On myer.com.au, advertising and tracking add ≈ 13,761 g CO₂ per million pageviews (669 g from ad-serving alone) — 2.6× the index average, cleaner than 11% of the sites we measure.
Ad-relevant
13761
g CO₂ / 1M pageviews
Ad-serving only
669
g CO₂ / 1M pageviews
165
kg CO₂ / year at 1M pageviews per month
11
% cleaner than the DACH index
95
% 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 →