I am sure it generates a lot of CO2 for all that effortless eyecandy Maybe, but many people have optimized the browser layout engines to make them efficient. T

I am sure it generates a lot of CO2 for all that effortless eyecandy Maybe, but many people have optimized the browser layout engines to make them efficient. That probably means they're far more efficient that the sorts of UIs people write themselves, despite several layers of abstraction. One badly written block of code can waste a lot of energy.