CDN Usage Distribution in the Top 1 Million Sites

Distribution for websites using CDN technologies

Technology	Websites	%
Content Delivery Network	535,568	53.56
GStatic Google Static Content	528,574	52.86
AJAX Libraries API	256,297	25.63
CDN JS	191,277	19.13
Cloudflare	171,277	17.13
StackPath BootstrapCDN	161,323	16.13
Facebook CDN	145,858	14.59
CloudFront	107,319	10.73
jQuery CDN	90,926	9.09
WordPress Grid	67,772	6.78
jsDelivr	60,085	6.01
OSS CDN	57,472	5.75
Twitter CDN	43,424	4.34
Akamai	27,696	2.77
Amazon S3	21,349	2.13
Vimeo CDN	16,318	1.63
UNPKG	13,949	1.39
Microsoft Ajax Content Delivery Network	11,521	1.15
Azure Edge	9,260	0.93
Yahoo Image CDN	8,421	0.84