TechnologiesContent ManagementServer-side Languages Client-side Languages JavaScript Libraries Markup Languages Character Encodings Image File Formats Site Elements SSL Certificate Authorities Social Widgets Web Servers Operating Systems Content Delivery Traffic Analysis Tools Advertising Networks Top Level Domains Content Languages | Technologies > Content Delivery > Top Site Usage JavaScript content delivery networks ranked by usage on top websitesThis diagram shows the share of top sites amongst all the sites for various JavaScript content delivery networks. We calculate a top-site score from the usage of a technology by top sites compared to its usage by average sites. The score is derived from measurements at several traffic levels, but roughly speaking, score 2 means that usage of the technology is twice as common amongst top 1,000 sites than amongst top 10 million sites. Score -3 means that usage by top 10 million sites is three times as common as by top 1,000 sites. Only technologies used by 10 sites or more are included in this report. See technologies overview for further explanations on the methodologies used in the surveys. How to read the diagram:
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