How to add a Google search box to your site:

Using Exai, you can add a Google search box that will search just your own site or all of Google. 

To add a search box so that your visitors will be able to search YOUR SITE, we suggest using a free service called Site Level.
This will place a search box on your page so visitors can search your site:

Fill in your email address and domain name and click Sign Up.
Highlight the code they provide (Javascript or HTML)  and copy it - see screenshot below.
Step 3: Add the following code by copying and pasting it into the Code Widget and clicking DONE!

Copy and Paste the code below into the Code Widget:

<form method="get" action=""> <div style="border:2px solid black;padding:2px;width:20em;"> <table border="0" align="center" cellpadding="0"> <tr><td> <input type="text" name="q" size="25" style="color:#808080;" maxlength="255" value="Google site search" onfocus="if(this.value==this.defaultValue)this.value='';'black';" onblur="if(this.value=='')this.value=this.defaultValue; "/><input type="submit" value="Go!" /> <input type="hidden" name="sitesearch" value="" /> </td></tr> </table> </div> </form>