Injects HTML snippets into the header and the footer, to make them persistent across themes (theme-independent).

ktsvetkov

This plugin is designed to inject HTML snippets into the header and the 
footer of WordPress pages, in order to make them persistent across themes, 
and theme-independent.
More information:
<ul>
<li><a href="https://trac.wordpress.org/ticket/6686" rel="nofollow ugc">https://trac.wordpress.org/ticket/6686</a></li>
<li><a href="http://groups.google.com/group/wp-hackers/browse_thread/thread/8ed801dd76c58a76" rel="nofollow ugc">http://groups.google.com/group/wp-hackers/browse_t…</a></li>
</ul>

Alternatives to wp-hefo | WordPress header & footer

Top alternatives