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.



We have discovered 8,085,874 live website that are using UTF-8.

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Technology usage statistics

Websites using UTF-8 8,085,874 websites
Most popular in the country United States of America
Market position in Document Encoding #1
Market share in Document Encoding 84.80%

Technology adoption

Recent changes in UTF-8 usage. (See UTF-8 Usage Changes report)
Websites that added UTF-8 +59,282
Websites that dropped UTF-8 -64,186

Distribution by websites popularity

UTF-8 detection in the top websites by popularity
Top 10k sites 9,810 websites
Top 100k sites 94,718 websites
Top 1m sites 833,405 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
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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 5,926,483 domains. Total 6,112,271 domains found using JavaScript
Category - Mobile.
Viewport Meta is used together with UTF-8 on 5,082,213 domains. Total 5,073,584 domains found using Viewport Meta
Category - JavaScript Libraries.
jQuery is used together with UTF-8 on 4,501,462 domains. Total 4,109,387 domains found using jQuery
Category - Programming Languages.
PHP is used together with UTF-8 on 4,405,541 domains. Total 4,026,633 domains found using PHP
Category - Document Standards.
Description Meta is used together with UTF-8 on 3,967,033 domains. Total 4,119,980 domains found using Description Meta
Category - Document Standards.
HTML5 Tags is used together with UTF-8 on 3,634,104 domains. Total 3,561,722 domains found using HTML5 Tags


Alternative Technologies


GB2312: Total 23,355 domains found using GB2312
GBK: Total 13,869 domains found using GBK
ISO-8859-1: Total 1,340,543 domains found using ISO-8859-1
Shift JIS: Total 60,416 domains found using Shift JIS
UTF-16: Total 181 domains found using UTF-16
UTF-32: Total 7 domains found using UTF-32
windows-1251: Total 11,065 domains found using windows-1251