On 9news.com.au, advertising and tracking add ≈ 26,530 g CO₂ per million pageviews (10,138 g from ad-serving alone) — 5.1× the index average, cleaner than 4% of the sites we measure.
Ad-relevant
26530
g CO₂ / 1M pageviews
Ad-serving only
10138
g CO₂ / 1M pageviews
318
kg CO₂ / year at 1M pageviews per month
4
% cleaner than the DACH index
62
% 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 →