Facebook Pixel vs Piwik PRO Core

Facebook Pixel runs on 375,046 ranked sites (3.8%); Piwik PRO Core on 29,719 (0.3%).

By rank tier
TierFacebook PixelSharePiwik PRO CoreShare
Top 1,000131.3%50.5%
Top 10,0001531.5%640.6%
Top 100,0003,0533.1%4830.5%
Top 1,000,00027,8522.8%3,1900.3%
All ranked375,0463.8%29,7190.3%