Category - Document Encoding

UTF-8 is 8 bit Unicode encoding. Since 2010 UTF-8 has been the main encoding format for World Wide Web.

Technology usage statistics

Websites using UTF-8 8,702,930 websites
Most popular in the country United States of America
Market position in Document Encoding #1
Market share in Document Encoding 86.13%

Technology adoption

Recent changes in UTF-8 usage. (See UTF-8 Usage Changes report)
Websites that added UTF-8 +127,643
Websites that dropped UTF-8 -163,191

Distribution by websites popularity

UTF-8 detection in the top websites by popularity
Top 10k sites 9,650 websites
Top 100k sites 96,423 websites
Top 1m sites 865,816 websites

Websites utilizing UTF-8

Top websites that use UTF-8

Domain Country Rank Contacts
fonts.googleapis.com United States of America 1
facebook.com Ireland 2
twitter.com United States of America 3
google.com United States of America 5
www.youtube.com United States of America 14,442
www.facebook.com United States of America 22,750
See full domain list

Market Share

UTF-8 market share within the Document Encoding category

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Names

  • 8-bit Unicode Transformation Format

UTF-8 often used together with

Category - Document Standards.
JavaScript is used together with UTF-8 on 6,407,179 domains. Total 6,622,159 domains found using JavaScript
Category - Mobile.
Viewport Meta is used together with UTF-8 on 4,740,615 domains. Total 4,818,971 domains found using Viewport Meta
Category - Document Standards.
HTML5 Tags is used together with UTF-8 on 4,371,304 domains. Total 4,360,978 domains found using HTML5 Tags
Category - Programming Languages.
PHP is used together with UTF-8 on 4,352,174 domains. Total 3,965,788 domains found using PHP
Category - JavaScript Libraries.
jQuery is used together with UTF-8 on 4,310,149 domains. Total 4,177,824 domains found using jQuery
Category - Document Standards.
Description Meta is used together with UTF-8 on 3,327,846 domains. Total 3,558,654 domains found using Description Meta

Alternative Technologies

GB2312: Total 19,125 domains found using GB2312
GBK: Total 13,803 domains found using GBK
ISO-8859-1: Total 1,308,228 domains found using ISO-8859-1
Shift JIS: Total 60,227 domains found using Shift JIS
UTF-16: Total 204 domains found using UTF-16
UTF-32: Total 9 domains found using UTF-32