To remove an unwanted, linked header, double-click the header and click the orange "Link to Previous" button on the Header and Footer Tools tab to turn off the link between the two sections.

Click inside "index.html" at the location where you want the header inserted, then click "Insert," followed by "Server-Side Include." Browse to the location of "included.html" in the file dialog ...

So sitewide header and footer links seem to be given less weight by Google, which is common sense to most of you out there. John Mueller of Google answered it yesterday in a Google Hangout at the ...