Technologies > Structured Data > Top Site Usage

Structured data formats ranked by usage on top websites

This diagram shows the share of top sites among all the sites for various structured data formats.

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 among the top 1,000 sites than among all sites. Score -3 means that usage by all sites is three times as common as by the 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:
Usage of Dublin Core among top 1,000 sites is 2.1 times as common than among all sites.

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