Adds easily the Google-specific metatag "news_keywords" with Post Tags into wp_head().
Remove Feed Links is a simple plugin for removing feed links from the head of your web site.
WS Header Cleaner plugin clean unusable links from header & footer.
Useful Tweaks is a powerful “all in one” tweaks plugin. 50+ functions help you configure your system in one plugin.
Site Language Definition is a simple plugin for forcing the web browser to know what language your site is in.
Tweak the performance and automated settings of your WordPress wsite by checking or unchecking the numerous options on the settings page.
This plugin allows you to add Google Analytics of your wordpress blog by hooking into wp_head.