Google custom search can improve your search feature in your WordPress website or blog. If you are looking for an easy way to integrate Google custom search in WordPress, here is a plug-in WordPress Google Search that makes it happen in a few clicks. All that you need to do is activate the plug-in and add a widget to the desired location on a sidebar.
Normally, you need to sign up with Google and create a search index for setting up Google Custom Search on your website. This plugin will does this automatically using Google’s Linked Custom Search Engines.
Once you activate the plug-in, just add the “Google Site Search” widget to your WordPress theme. The Google custom search results are shown on your theme’s search template. The plug-in does not replace the default WordPress search. It runs along with it. So you can use both if you want.