Usage Statistics of Site Elements for Websites, February 2026

Technologies > Site Elements

This diagram shows the percentages of websites using various site elements. See technologies overview for explanations on the methodologies used in the surveys. Our reports are updated daily.

How to read the diagram:
0.8% of the websites use none of the site elements that we monitor.
CSS is used by 96.2% of all the websites.

None
0.8%
CSS
96.2%
Compression
90.5%
Default protocol https
89.0%
Cookies
41.1%
Default subdomain www
39.3%
HTTP/3
38.0%
HTTP/2
34.4%
HTTP Strict Transport Security
32.3%
IPv6
29.3%
ETag
27.6%
QUIC
8.8%
Frameset
0.2%
W3Techs.com, 19 February 2026
Percentages of websites using various site elements
Note: a website may use more than one site element

The following site elements have a market share of less than 0.1%

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