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 8,492,902 websites
Most popular in the country United States of America
Market position in Document Encoding #1
Market share in Document Encoding 88.19%

Technology adoption

Recent changes in UTF-8 usage. (See UTF-8 Usage Changes report)
Websites that added UTF-8 +170,804
Websites that dropped UTF-8 -180,936

Distribution by websites popularity

UTF-8 detection in the top websites by popularity
Top 10k sites 9,862 websites
Top 100k sites 96,130 websites
Top 1m sites 841,629 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 United States of America 2
www.facebook.com United States of America 2
twitter.com United States of America 3
www.youtube.com United States of America 4
google.com United States of America 5
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 6,532,144 domains. Total 6,905,876 domains found using JavaScript
Category - Programming Languages.
PHP is used together with UTF-8 on 5,219,527 domains. Total 4,097,300 domains found using PHP
Category - Mobile.
Viewport Meta is used together with UTF-8 on 5,084,045 domains. Total 5,208,980 domains found using Viewport Meta
Category - JavaScript Libraries.
jQuery is used together with UTF-8 on 4,875,606 domains. Total 4,244,363 domains found using jQuery
Category - CMS.
WordPress is used together with UTF-8 on 4,785,733 domains. Total 2,666,091 domains found using WordPress
Category - Document Standards.
HTML5 Tags is used together with UTF-8 on 4,498,737 domains. Total 4,456,139 domains found using HTML5 Tags

Alternative Technologies

GB2312: Total 10,652 domains found using GB2312
GBK: Total 12,982 domains found using GBK
ISO-8859-1: Total 1,098,136 domains found using ISO-8859-1
Shift JIS: Total 15,216 domains found using Shift JIS
UTF-16: Total 55 domains found using UTF-16
UTF-32: Total 6 domains found using UTF-32