https://wikicontrib.toolforge.org/ loads <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.4.1/semantic.min.css">. This is a third-party privacy violation.
It's more concerning now that this tool is linked from the Wikimedia Developer Portal.
Please use https://tools-static.wmflabs.org/cdnjs/ajax/libs/semantic-ui/2.4.1/semantic.min.css instead and deploy.
See also https://phabricator.wikimedia.org/T231312