Usage of ETag broken down by ranking

This diagram shows the percentages of websites using ETag broken down by ranking. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
ETag is used by 25.6% of all the websites.
ETag is used by 24.5% of all the websites that rank in the top 1,000,000.

Overall

25.6%

top 1,000,000

24.5%

top 100,000

25.7%

top 10,000

29.1%

top 1,000

30.5%

W3Techs.com, 13 June 2025

Percentages of websites using ETag broken down by ranking

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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/...

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