<!-- registration.html -->
<form action="/action/registration" method="POST">
<input type="text" name="username" placeholder="username" /><br>
<input type="emial" name="email" placeholder="you@example.com" /><br>
<input type="password" name="password" placeholder="Password" /><br>
<input type="password" name="repassword" placeholder="Re - Password" /><br>
<input type="submit" />
</form>