On eltiempo.com, advertising and tracking add ≈ 28,151 g CO₂ per million pageviews (17,985 g from ad-serving alone) — 5.4× the index average, cleaner than 3% of the sites we measure.
Ad-relevant
28151
g CO₂ / 1M pageviews
Ad-serving only
17985
g CO₂ / 1M pageviews
338
kg CO₂ / year at 1M pageviews per month
3
% cleaner than the DACH index
36
% 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 →