Usage of HttpOnly Cookies broken down by image file formats

This diagram shows the percentages of websites using HttpOnly Cookies broken down by image file formats. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
HttpOnly Cookies is used by 22.6% of all the websites.
HttpOnly Cookies is used by 24.9% of all the websites that use PNG as image file format.

Overall

22.6%

24.9%

24.8%

23.9%

28.4%

25.2%

29.5%

24.5%

18.6%

20.5%

12.3%

20.9%

W3Techs.com, 29 August 2025

Percentages of websites using HttpOnly Cookies broken down by image file formats

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Technology Brief
HttpOnly Cookies
Category: Site Elements
HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

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