On halooglasi.com, advertising and tracking add ≈ 32,412 g CO₂ per million pageviews (16,061 g from ad-serving alone) — 6.2× the index average, cleaner than 2% of the sites we measure.
Ad-relevant
32412
g CO₂ / 1M pageviews
Ad-serving only
16061
g CO₂ / 1M pageviews
389
kg CO₂ / year at 1M pageviews per month
2
% 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 →