1 files changed, 9 insertions, 0 deletions
diff --git a/core/Tracker/Request.php b/core/Tracker/Request.php
index 2b1496f451..50a8fa87e4 100644
--- a/core/Tracker/Request.php
+++ b/core/Tracker/Request.php
@@ -14,6 +14,7 @@ use Piwik\Container\StaticContainer;
 use Piwik\Cookie;
 use Piwik\Exception\InvalidRequestParameterException;
 use Piwik\Exception\UnexpectedWebsiteFoundException;
+use Piwik\Http;
 use Piwik\IP;
 use Matomo\Network\IPUtils;
 use Piwik\Piwik;
@@ -634,6 +635,14 @@ class Request
         return Common::getRequestVar('ua', $default, 'string', $this->params);
     }
 
+    public function getClientHints()
+    {
+        // use headers as default if no data was send with the tracking request
+        $default = Http::getClientHintsFromServerVariables();
+
+        return Common::getRequestVar('uadata', $default, 'json', $this->params);
+    }
+
     public function shouldUseThirdPartyCookie()
     {
         return TrackerConfig::getConfigValue('use_third_party_id_cookie', $this->getIdSiteIfExists());