Pure CSS vs ZURB Foundation

Pure CSS runs on 5,339 ranked sites (0.1%); ZURB Foundation on 110,547 (1.1%).

By rank tier
TierPure CSSShareZURB FoundationShare
Top 1,00010.1%90.9%
Top 10,00080.1%1121.1%
Top 100,000630.1%9951.0%
Top 1,000,0005330.1%8,0510.8%
All ranked5,3390.1%110,5471.1%