Heavier than 85% of the sites we’ve measured
On a homepage load, tesco.com pulls 1.4 MB of advertising and tracking data — 9% of the page — across 81 ad/tracker requests, from vendors such as Google AdSense, Google Ads · DoubleClick, Meta Pixel, Hotjar. That data costs about 6.3 kg of CO₂ per million pageviews on the EU-average grid (grade D).
Google AdSense, Google Ads · DoubleClick, Meta Pixel, Hotjar