digitec.ch scores C — 1,003 g CO₂ per million pageviews, 0.6× the DACH average, with 96% of that being tracking overhead rather than ad-serving.
Ad-relevant
1003
g CO₂ / 1M pageviews
Ad-serving only
41
g CO₂ / 1M pageviews
12
kg CO₂ / year at 1M pageviews per month
36
% cleaner than the DACH index
96
% 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 →