def site_title(request, registry, settings):
    """Expose website name from ``websauna.site_title`` config variable to templates.

    This is the default ``<title>`` tag.

    Example:

    .. code-block:: html+jinja

        <meta>
            <title>My page - {{ site_title }}</title>
        </meta>

    """
    # Use .get() for BBB
    return settings.get("websauna.site_title", "")