Heavier than 97% of the sites we’ve measured
On a homepage load, idnes.cz pulls 5.8 MB of advertising and tracking data — 10% of the page — across 898 ad/tracker requests, from vendors such as Google AdSense, Google Ads · DoubleClick, Adform. That data costs about 26.1 kg of CO₂ per million pageviews on the EU-average grid (grade F).
Google AdSense, Google Ads · DoubleClick, Adform