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on advanced reports

Technologies > Site Elements > ETag

Usage of ETag for websites

This report shows the usage statistics of ETag on the web. See technologies overview for explanations on the methodologies used in the surveys. Our reports are updated daily.

ETag is used by 14.7% of all the websites.

Subcategories of ETag

This diagram shows the percentages of websites using various subcategories of ETag.

How to read the diagram:
Strong ETag is used by 75.0% of all the websites who use ETag.

Strong ETag
75.0%
Weak ETag
25.1%
W3Techs.com, 28 February 2017
Percentages of websites using various subcategories of ETag
Note: a website may use more than one subcategory of ETag

Historical trend

This diagram shows the historical trend in the percentage of websites using ETag.
Our dedicated trend survey shows more site elements usage and market share trends.Historical trends in the usage of ETag

Market position

This diagram shows the market position of ETag in terms of popularity and traffic compared to the most popular site elements.
Our dedicated market survey shows more site elements market data.

Market position of ETag

Popular sites using ETag

Random selection of sites using ETag

Sites using ETag only recently

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Technology Brief
ETag
Category: Site Elements
The ETag (entity tag) is an HTTP header field, that allows a browser to validate a cached web page, and thus may save bandwidth.
Website: w3.org/...




Latest related posting  read all
Web technology fact of the day
9 January 2013

ETags may save bandwidth. Interestingly, popular sites are less likely to use ETags than average sites.

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