CDN Usage Distribution in the Top 1 Million Sites

Distribution for websites using CDN technologies

Technology	Websites	%
Content Delivery Network	529,444	52.94
GStatic Google Static Content	509,793	50.98
AJAX Libraries API	259,520	25.95
CDN JS	179,021	17.9
StackPath BootstrapCDN	152,372	15.24
Facebook CDN	150,729	15.07
Cloudflare	138,938	13.89
CloudFront	113,883	11.39
jQuery CDN	87,405	8.74
WordPress Grid	63,865	6.39
OSS CDN	56,216	5.62
jsDelivr	51,554	5.16
Twitter CDN	46,036	4.6
Akamai	30,241	3.02
Amazon S3	19,137	1.91
Yahoo Image CDN	16,988	1.7
Vimeo CDN	15,105	1.51
Fastly CDN	11,322	1.13
UNPKG	11,057	1.11
Microsoft Ajax Content Delivery Network	10,667	1.07