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Segmentation

Technologies > Site Elements > CSS > External CSS > by Character Encodings

Usage of External CSS broken down by character encodings

This diagram shows the percentages of websites using External CSS broken down by character encodings. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
External CSS is used by 88.6% of all the websites.
External CSS is used by 89.0% of all the websites that use UTF-8 as character encoding.

Overall
88.6%
UTF-8
89.0%
ISO-8859-1
80.4%
Windows-1252
64.0%
Windows-1251
89.3%
EUC-JP
96.3%
EUC-KR
88.3%
Shift JIS
66.0%
GB2312
87.7%
Windows-1250
79.2%
ISO-8859-2
85.2%
Big5
65.1%
ISO-8859-15
92.7%
ISO-8859-9
88.8%
US-ASCII
68.8%
GBK
90.2%
Windows-1254
79.1%
Windows-874
76.2%
Windows-1256
73.7%
Windows-1255
83.8%
TIS-620
85.0%
ISO-8859-7
79.9%
Windows-1253
68.4%
UTF-16
90.3%
GB18030
91.4%
Windows-1257
70.1%
KOI8-R
72.7%
ISO-8859-4
91.5%
KS C 5601
73.2%
ISO-2022-JP
57.7%
UTF-7
38.8%
ISO-8859-8
78.3%
ISO-8859-5
79.3%
ISO-8859-6
92.7%
Windows-31J
80.6%
KOI8-U
83.3%
ANSI_X3.110-1983
47.6%
Windows-1258
75.0%
ISO-8859-16
89.5%
ISO-8859-13
80.0%
Big5 HKSCS
70.0%
W3Techs.com, 4 August 2025
Percentages of websites using External CSS broken down by character encodings

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Technology Brief
External CSS
Category: Site Elements
External Cascading Style Sheets define style rules in a separate CSS file.


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