Work out website page weight instantly with clear inputs, formula shown and shareable results.
Page weight is the sum of every transferred asset, and transfer time is that weight in kilobits divided by the connection speed in kilobits per second. Images and fonts usually dominate, which is why compressing them beats minifying JavaScript for most sites even though the latter gets more attention.
Total weight
total KB = HTML + CSS + JavaScript + images and fonts
Transfer time
seconds = total KB x 8 / connection kbps
total KB = HTML + CSS + JavaScript + images and fonts. Page weight is the sum of every transferred asset, and transfer time is that weight in kilobits divided by the connection speed in kilobits per second.
Images and fonts usually dominate, which is why compressing them beats minifying JavaScript for most sites even though the latter gets more attention.
Enter html, css, javascript, images and fonts. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.