CDN Usage Distribution in the Top 1 Million Sites

Distribution for websites using CDN technologies

Technology	Websites	%
Content Delivery Network	501,952	50.2
GStatic Google Static Content	495,377	49.54
AJAX Libraries API	232,763	23.28
CDN JS	158,825	15.88
Cloudflare	153,787	15.38
Facebook CDN	144,192	14.42
StackPath BootstrapCDN	137,432	13.74
CloudFront	96,414	9.64
jQuery CDN	75,247	7.52
WordPress Grid	60,612	6.06
jsDelivr	48,975	4.9
OSS CDN	46,258	4.63
Twitter CDN	42,199	4.22
Akamai	25,577	2.56
Vimeo CDN	14,549	1.45
Amazon S3	14,395	1.44
UNPKG	11,660	1.17
Microsoft Ajax Content Delivery Network	9,631	0.96
Azure Edge	8,402	0.84
Fastly CDN	8,290	0.83