sport.ch scores F — 4,411 g CO₂ per million pageviews, 2.7× the DACH average, with 61% of that being tracking overhead rather than ad-serving.
Ad-relevant
4411
g CO₂ / 1M pageviews
Ad-serving only
1707
g CO₂ / 1M pageviews
53
kg CO₂ / year at 1M pageviews per month
11
% cleaner than the DACH index
61
% 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 →