On news.com.au, advertising and tracking add ≈ 33,133 g CO₂ per million pageviews (11,692 g from ad-serving alone) — 6.3× the index average, cleaner than 2% of the sites we measure.
Ad-relevant
33133
g CO₂ / 1M pageviews
Ad-serving only
11692
g CO₂ / 1M pageviews
398
kg CO₂ / year at 1M pageviews per month
2
% cleaner than the DACH index
65
% 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 →