CDN Usage Distribution in the Top 1 Million Sites

Distribution for websites using CDN technologies

Technology	Websites	%
Content Delivery Network	514,097	51.41
GStatic Google Static Content	482,822	48.28
AJAX Libraries API	264,638	26.46
CDN JS	165,489	16.55
Facebook CDN	156,499	15.65
BootstrapCDN	149,140	14.91
Cloudflare	132,695	13.27
CloudFront	109,687	10.97
jQuery CDN	82,311	8.23
WordPress Grid	67,792	6.78
OSS CDN	55,351	5.54
Twitter CDN	47,603	4.76
jsDelivr	42,578	4.26
Akamai	27,637	2.76
Amazon S3	18,525	1.85
Vimeo CDN	14,636	1.46
GoDaddy CDN	11,060	1.11
Microsoft Ajax Content Delivery Network	9,460	0.95
Yahoo Image CDN	8,793	0.88
Azure Edge	7,816	0.78