UTF-8

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 8,690,114 websites
Most popular in the country United States of America
Market position in Document Encoding #1
Market share in Document Encoding 85.87%

Technology adoption

Recent changes in UTF-8 usage. (See UTF-8 Usage Changes report)
Websites that added UTF-8 +169,099
Websites that dropped UTF-8 -188,100

Distribution by websites popularity

UTF-8 detection in the top websites by popularity
Top 10k sites 9,744 websites
Top 100k sites 97,593 websites
Top 1m sites 876,395 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
www.facebook.com Ireland 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 6,432,190 domains. Total 6,620,828 domains found using JavaScript
Category - Mobile.
Viewport Meta is used together with UTF-8 on 5,091,938 domains. Total 5,065,567 domains found using Viewport Meta
Category - Document Standards.
HTML5 Tags is used together with UTF-8 on 4,308,438 domains. Total 4,279,915 domains found using HTML5 Tags
Category - Programming Languages.
PHP is used together with UTF-8 on 4,217,418 domains. Total 3,784,998 domains found using PHP
Category - JavaScript Libraries.
jQuery is used together with UTF-8 on 4,136,662 domains. Total 4,002,518 domains found using jQuery
Category - CMS.
WordPress is used together with UTF-8 on 3,762,858 domains. Total 2,609,806 domains found using WordPress


Alternative Technologies


GB2312: Total 20,253 domains found using GB2312
GBK: Total 12,689 domains found using GBK
ISO-8859-1: Total 1,335,419 domains found using ISO-8859-1
Shift JIS: Total 61,621 domains found using Shift JIS
UTF-16: Total 190 domains found using UTF-16
UTF-32: Total 10 domains found using UTF-32