It doesn't look like reddit or hacker news do.<p>reddit:<p><pre><code>     &#60;form method="post" id="login_login-main" action="http://www.reddit.com/post/login" onsubmit="return post_user(this, 'login');" class="login-form-side"&#62;
</code></pre>
HN:<p><pre><code>     &#60;form method="post" action="/y"&#62;</code></pre>