If you read the page source before reading the page copy, then this report on CSS usage might be of interest. This is an in-depth analysis of what CSS is used on the top 100,000 websites. There are some interesting numbers, for instance, for CSS size, in the 50th percentile sites have 309KB of CSS. Note, there is a navigator on right side of the page to see and jump between sections.

CSS Usage Report 2026
Bart Veneman @ projectwallace.com • 4 days ago








