About WordPress SEO and Facebook Open Graph: I was very unpleased by Yoast invitation to remove my plugin, and it's not the case. Read more here.Head and Footer Codes
Why you have to install 10 plugins to add Google Analytics code, custom tracking code, Google Webmaster/Alexa/Bing/Tradedoubler verificaton code (and so on...) on head of footer section of your blog pages?
With Header and Footer plugin you can just copy the code those services give you in a centralized point to manage them all.
Do you need to inject a banner over the post content or after it? No problem. With Header and Footer you can:
This plugin cannot change the menu or the footer layout, those features must be covered by your theme!
Offial page: Header and Footer.
Other plugins by Stefano Lissa:
Here is the Header and Footer wordpress plugin download link you can download and install to your Wordpress blog
View HTTP headers of a page and while browsing.
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Inserts X-Forwarded-For field into the HTTP header
Shows HTTP headers on statusbar.
Open in a sidebar or in a tab and write headers directly....