W3Techs
advertise here
provided by
Q-Success
Home Technologies Reports API Sites Quality Users Blog Forum FAQ Search

Featured products and servicesadvertise here

Technologies

Content Management
Server-side Languages
Client-side Languages
JavaScript Libraries
CSS Frameworks
Web Servers
Web Panels
Operating Systems
Web Hosting
Data Centers
Reverse Proxies
DNS Servers
Email Servers
SSL Certificate Authorities
Content Delivery
Traffic Analysis Tools
Advertising Networks
Tag Managers
Social Widgets
Site Elements
Structured Data
Markup Languages
Character Encodings
Image File Formats
Top Level Domains
Server Locations
Content Languages

Related Reports

Segmentation

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

Usage of External CSS as site element 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 91.3% of all the websites.
External CSS is used by 91.7% of all the websites that use UTF-8 as character encoding.

Overall
91.3%
UTF-8
91.7%
ISO-8859-1
82.2%
Windows-1252
65.7%
Windows-1251
90.4%
EUC-JP
97.0%
Shift JIS
68.1%
EUC-KR
90.8%
Windows-1250
79.9%
GB2312
88.9%
ISO-8859-2
85.6%
Big5
67.1%
ISO-8859-15
93.5%
US-ASCII
71.8%
ISO-8859-9
91.9%
GBK
93.5%
Windows-1254
81.2%
Windows-874
79.2%
Windows-1256
74.9%
Windows-1255
86.7%
TIS-620
86.8%
UTF-16
96.1%
ISO-8859-7
82.2%
Windows-1253
68.9%
GB18030
92.9%
Windows-1257
70.6%
KOI8-R
71.9%
ISO-8859-4
94.4%
KS C 5601
77.6%
ISO-2022-JP
61.3%
UTF-7
43.9%
ISO-8859-8
85.2%
ISO-8859-5
80.4%
Windows-31J
88.6%
ISO-8859-6
90.0%
KOI8-U
85.7%
Windows-1258
81.0%
ANSI_X3.110-1983
52.6%
ISO-8859-16
88.9%
ISO-8859-3
60.0%
ISO-8859-13
76.9%
W3Techs.com, 27 April 2026
Percentages of websites using External CSS broken down by character encodings

Share this page

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


advertise here

About Us Disclaimer Terms of Use Privacy Policy Advertising Contact
W3Techs on   LinkedIn LinkedIn Mastodon Mastodon Bluesky Bluesky
Copyright © 2009-2026 Q-Success