<form method="post" action="/sites/{{.site.ID}}/posts/new-link">
    <p>
        <label>Link URL</label>
        <input type="text" name="link_url" value="" />
    </p>
    <p>
        <label>Via URL</label>
        <input type="text" name="via_url" value="" />
    </p>
    <div class="bottom-area">
        <input type="submit" value="Create Post">
    </div>
</form>