CDN Usage Distribution in the Top 1 Million Sites

Distribution for websites using CDN technologies

Technology	Websites	%
GStatic Google Static Content	471,446	47.31
AJAX Libraries API	249,253	24.76
CDN JS	161,004	15.81
Content Delivery Network	156,714	15.94
Facebook CDN	155,433	16.16
BootstrapCDN	152,145	15.11
CloudFront	105,222	10.52
jQuery CDN	86,869	8.56
WordPress Grid	64,218	6.48
Cloudflare	57,209	5.53
OSS CDN	52,918	5.22
jsDelivr	47,715	4.71
Twitter CDN	46,481	4.72
Akamai	24,629	2.52
Amazon S3	17,443	1.74
Vimeo CDN	13,948	1.44
Microsoft Ajax Content Delivery Network	9,049	0.88
Yahoo Image CDN	8,451	0.89
Azure Edge	7,160	0.7
Microsoft Azure CDN	7,120	0.63