From this tutorial, you will be able to add a hyperlink for readers and visitors to easily bookmark your website for later use. 
              |  | BOOKMARK THIS WEBSITE | 
   
  You will need these file(s) for this tutorial:
    ![0128[6] 0128[6]](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhV03vuz6NxWNL_tZYrD7W1-rlXunIDUEfkzQwhNgcaqUmyhP0j6XpWGTlcY-j1_Y8Z8t7-N7rQKi7w7HiFDS-mCX8JpctwGb4hYL0CtTpHvHnHId8Ja3xa0YnuyBKcP7RGzoXVE62hIEI/?imgmax=800) You will need to upload these files to your server.
You will need to upload these files to your server.
  To add a “bookmark this site” hyperlink: 
    1. From your Blogger dashboard, navigate to Layouts and then Edit HTML.
  2. Under Edit HTML, add the following javascript right after your opening head tag. 
      
    <script src='…/scripts/bookmarkthis.js' style='text/javascript'/>
     
     
     
     
 
  3. For the next step, you will use this link form to link any text or image of your choice to have the browser automatically trigger the bookmark function.
      
    <a href="javascript:bookmarksite('YOUR WEBSITE NAME GOES HERE', 'http://www..YOUR-URL-HEREcom')">Bookmark this site</a>
     
     
     
     
 
  4. You should preview your blog first to see if all codes have been implemented correctly. If so, save your template and you’re finished. 
  Source: http://www.dynamicdrive.com/dynamicindex9/addbook.htm