- Plesk Onyx for Linux
CONFIG_TEXT: The referrer https://example.com:8443/modules/pagespeed-insights/index.php/index/result?site_id=6 does not match the referrer restrictions configured on your API key. Please use the API Console to update your key restrictions.
Bug in the extension Google PageSpeed Insights https://github.com/plesk/ext-pagespeed-insights/issues/6 .
Until the bug is fixed, use the following workaround: