‘name’ – Site title (set in Settings > General)
‘description’ – Site tagline (set in Settings > General)
‘wpurl’ – The WordPress address (URL) (set in Settings > General)
‘url’ – The Site address (URL) (set in Settings > General)
‘a(chǎn)dmin_email’ – Admin email (set in Settings > General)
‘charset’ – The "Encoding for pages and feeds" (set in Settings > Reading)
‘version’ – The current WordPress version
‘html_type’ – The content-type (default: "text/html"). Themes and plugins can override the default value using the ‘pre_option_html_type’ filter
‘text_direction’ – The text direction determined by the site’s language. is_rtl() should be used instead
‘language’ – Language code for the current site
‘stylesheet_url’ – URL to the stylesheet for the active theme. An active child theme will take precedence over this value
‘stylesheet_directory’ – Directory path for the active theme. An active child theme will take precedence over this value
‘template_url’ / ‘template_directory’ – URL of the active theme’s directory. An active child theme will NOT take precedence over this value
‘pingback_url’ – The pingback XML-RPC file URL (xmlrpc.php)
‘a(chǎn)tom_url’ – The Atom feed URL (/feed/atom)
‘rdf_url’ – The RDF/RSS 1.0 feed URL (/feed/rfd)
‘rss_url’ – The RSS 0.92 feed URL (/feed/rss)
‘rss2_url’ – The RSS 2.0 feed URL (/feed)
‘comments_atom_url’ – The comments Atom feed URL (/comments/feed)
‘comments_rss2_url’ – The comments RSS 2.0 feed URL (/comments/feed)