Add a settings page in WP admin where you can place code for wp_head and wp_footer
WP Scripts Customizer allows to enter scripts you would like output to head and footer of your WordPress theme page via WordPress Theme customizer.
Add code to the header and footer sections of your site on a page-per-page basis.
Add commonly seen user login links and welcome messages to the meta / utility section of your blog.
Your code in the "basement" pages (the statistics counters? Banners? Links?). Ваш код в "подвале" страницы (
Injects HTML snippets into the header and the footer, to make them persistent across themes (theme-independent).