<!DOCTYPE html>
<html>
  <head>
    <title>Blog</title>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/react/0.11.1/react.js"></script>
    <script src="http://rawgithub.com/magalhas/backbone-react-component/master/lib/component.js"></script>
    <script src="collections/blog.js"></script>
    <script src="components/blog.js"></script>
    <style>
    form > * {
        display: block;
    }
    input[name="title"], textarea {
        width: 300px;
    }
    textarea {
        width: 300px;
        height: 200px;
    }
    </style>
    <body>
        <div />
        <script src="boot.js"></script>
    </body>
  </head>
</html>

<!DOCTYPE html>
<html>
  <head>
    <title>Blog</title>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/react/0.11.1/react.js"></script>
    <script src="http://rawgithub.com/magalhas/backbone-react-component/master/lib/component.js"></script>
    <script src="collections/blog.js"></script>
    <script src="components/blog.js"></script>
    <style>
    form > * {
        display: block;
    }
    input[name="title"], textarea {
        width: 300px;
    }
    textarea {
        width: 300px;
        height: 200px;
    }
    </style>
  </head>
  <body>
    <div></div>
    <script src="boot.js"></script>
  </body>
</html>

FIX HTML5 validator errors in blog example
FIX HTML5 validator errors in blog example

There were several errors in public/index.html file.