CDN Usage Distribution in the Top 1 Million Sites

Distribution for websites using CDN technologies

Technology	Websites	%
Content Delivery Network	526,875	15.28
GStatic Google Static Content	501,986	16.66
AJAX Libraries API	262,550	10.02
CDN JS	178,193	8.91
Facebook CDN	156,822	15.46
BootstrapCDN	151,645	6.93
Cloudflare	136,279	5.46
CloudFront	114,393	6.91
jQuery CDN	88,729	6.02
WordPress Grid	65,033	4.03
OSS CDN	58,610	4.67
jsDelivr	49,950	4.91
Twitter CDN	47,960	4.72
Akamai	31,044	2.91
Amazon S3	19,929	1.97
Yahoo Image CDN	16,389	1.27
Vimeo CDN	15,689	1.53
UNPKG	10,005	0.99
Fastly CDN	9,873	0.9
Microsoft Ajax Content Delivery Network	9,754	0.97