{"id":266160,"date":"2024-12-07T13:36:22","date_gmt":"2024-12-07T13:36:22","guid":{"rendered":"https:\/\/michigandigitalnews.com\/index.php\/2024\/12\/07\/user-agent-reduction-on-android-webview\/"},"modified":"2025-06-25T17:10:13","modified_gmt":"2025-06-25T17:10:13","slug":"user-agent-reduction-on-android-webview","status":"publish","type":"post","link":"https:\/\/michigandigitalnews.com\/index.php\/2024\/12\/07\/user-agent-reduction-on-android-webview\/","title":{"rendered":"User-Agent Reduction on Android WebView"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

\n
\n
\n<\/p>\n

Posted by Mike Taylor (Privacy Sandbox), and Mihai C\u00eerl\u0103naru (Web on Android)<\/em><\/p>\n

<\/a><\/p>\n

The User-Agent string has been reduced<\/a> in Chrome on Desktop and Chrome on Android platforms since Chrome 107. Beginning in Android 16, the default<\/i> User-Agent string in Android WebView will be similarly reduced.<\/p>\n

Updated User-Agent string<\/h3>\n

The default<\/i>, reduced WebView User-Agent string is as follows:<\/p>\n

\n
Mozilla\/5.0<\/span> (Linux; Android 10<\/span>; K; wv) AppleWebKit\/537.36<\/span> (KHTML, like Gecko) Version\/4.0<\/span> Chrome\/125.000<\/span> Mobile Safari\/537.36<\/span>\n<\/pre>\n<\/div>\n
<\/p>\n
\"A<\/div>\n
<\/image><\/p>\n
As seen in the diagram, the OS, CPU, and Build information will be reduced to the static “Linux; Android 10; K” string. Minor\/build\/patch version information is also reduced to “0.0.0” The rest of the default User-Agent remains unchanged (and is unchanging).<\/p>\n
How can I detect WebView via the User-Agent string?<\/span><\/h4>\n
Sites can continue to look for the wv<\/span> token in the User-Agent string, unless an application has decided to override the User-Agent string.<\/p>\n
Does WebView support User-Agent Client Hints?<\/span><\/h4>\n
Android WebView has supported User-Agent Client Hints since version 116, but only for applications that send the default User-Agent string.<\/p>\n
Will a custom WebView User-Agent string be affected?<\/span><\/h4>\n
The ability to set a custom User-Agent via setUserAgentString()<\/a><\/span> won\u2019t be affected – and applications that choose to do so won\u2019t send the reduced User-Agent string.<\/p>\n<\/div>\n\n<\/div>\n
[ad_2]
\n
Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] Posted by Mike Taylor (Privacy Sandbox), and Mihai C\u00eerl\u0103naru (Web on Android) The User-Agent string has been reduced in Chrome on Desktop and Chrome<\/p>\n","protected":false},"author":1,"featured_media":266161,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[146],"tags":[],"_links":{"self":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts\/266160"}],"collection":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/comments?post=266160"}],"version-history":[{"count":0,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts\/266160\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/media\/266161"}],"wp:attachment":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/media?parent=266160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/categories?post=266160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/tags?post=266160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}