nzz.ch scores D — 3,629 g CO₂ per million pageviews, 2.2× the DACH average, with 31% of that being tracking overhead rather than ad-serving.
Ad-relevant
3629
g CO₂ / 1M pageviews
Ad-serving only
2495
g CO₂ / 1M pageviews
44
kg CO₂ / year at 1M pageviews per month
13
% cleaner than the DACH index
31
% 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 →