A very simple way to make your website more user-friendly is to add a search feature. Google Search makes that easy: just Create a Custom Search Engine by filling out a form, and then paste the resulting code wherever you want into your web page. (If you want it to search only on your website, then enter your URL only under the "Select some sites" portion of the form.)
After you have completed the form, it will take you to a page that has a link to the Control Panel for your new custom search. Click that, and then click "code." This is what you will copy and paste into your home page.
Here’s what that code looks like when it’s pasted into your HTML page:
But what if you don’t like the default look? No problem: there are several ways to change the look and feel of the search bar, and also the search results page that comes up afterwards. Just click the "look and feel" link and you will be presented with several options, including the option to choose your own text colors, and add your own logo to the custom search results page. (Note: you can also choose where that search results page is hosted: either on your own site, or on google. That option is under the "code" link.)
And that’s it– your own custom search in minutes!