punio

WP Add Header Scripts will insert a script that was set between HEAD tag and HEAD tag. 
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WP Add Header Scripts

WP Add Header Scripts will insert a script that was set between HEAD tag and HEAD tag.

nigro.simone

This small plugin (2 Kb) moves JavaScript to the footer and improve page load times. 
Note: this only works if your other plugins and theme add the JavaScripts correctly.
Configurations are not required! You just have to install it and after the plugin does it all, none further action it’s required.

Speed Up – JavaScript To Footer

Move all the possible JavaScript files from head to footer and improve page load times.

WP Add Header Scripts vs Speed Up – JavaScript To Footer