What do you think of this tool?

Wa
1

Online tool shows website carbon footprint
The internet needs electricity, lots of electricity. Not only end devices such as smartphones or laptops require energy, but above all the architecture behind them: Internet nodes, routers, cell towers, server farms. According to figures from the German energy group Eon, video streaming alone consumes up to 200 billion kilowatt hours of electricity worldwide

https://www.websitecarbon.com/#new-test

Does climate protection begin with your own surfing behavior?

Ja

The CO2 footprint is not defined by a website, but by the data throughput (traffic) that it triggers or generates, and this is ultimately what the users who browse this page do. After all, it is not the highways that are responsible for CO2 emissions, but all those who drive around them. Or replace highway with garage, same thing.