CDN Usage Distribution in the Top 1 Million Sites

Distribution for websites using CDN technologies

Technology	Websites	%
Content Delivery Network	510,277	51.03
GStatic Google Static Content	482,569	48.26
AJAX Libraries API	257,253	25.73
CDN JS	165,402	16.54
Facebook CDN	155,972	15.6
BootstrapCDN	144,621	14.46
Cloudflare	135,555	13.56
CloudFront	108,444	10.84
jQuery CDN	80,658	8.07
WordPress Grid	66,605	6.66
OSS CDN	53,622	5.36
jsDelivr	45,143	4.51
Twitter CDN	44,726	4.47
Akamai	31,232	3.12
Amazon S3	17,823	1.78
Vimeo CDN	14,152	1.42
GoDaddy CDN	11,604	1.16
Yahoo Image CDN	9,739	0.97
Microsoft Ajax Content Delivery Network	9,097	0.91
Azure Edge	8,887	0.89