需要配置 Typoscript

config {
    simulateStaticDocuments = 0
    index_enable = 1
    index_externals = 1
    linkVars = L
    sys_language_mode = content_fallback
    sys_language_overlay = hideNonTranslated
    doctype = xhtml_trans
    xhtml_cleaning = all
    doctype = html5
    xmlprologue = none
    renderCharset = utf-8
    no_cache = 0
    locale_all = de-DE
    sys_language_uid = 0
    htmlTag_langKey = de-DE
    language = de-DE
    metaCharset = utf-8
}

page.meta.description = {page:description}
page.meta.description.insertData = 1
page.meta.keywords = {page:keywords}
page.meta.keywords.insertData = 1
page.meta.viewport = width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0;
page.meta.format-detection=telephone=no
page.meta.charset = UTF-8
page.meta.X-UA-Compatible = IE=edge
page = PAGE
page.shortcutIcon = images/favicon.ico