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Facebook Coding

Is this some BlackHat stuff or just normal code?

4:14 pm on Mar 3, 2011 (gmt 0)

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posts: 565
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So, this guy is trying to sell his companies services on SEO and Facebook marketing. He was big on pushing their Facebook marekting and what he says sounds good but when I looked at the page source for one of the facebook pages he was pushing, I developed some questions, to which I don't have an answer.

My questions relate to code and whether or not it might be some black hat stuff going on. Code below is as on the Source View. There's a lot of empty <div>'s and <span>'s.

So, here they are in order as on the page:
    <input type="hidden" id="post_form_id" name="post_form_id" value="d4f2c3d8b0b4315d4c2639639f65831c" autocomplete="off" /><div id="pagelet_presence"></div>

    div id="FB_HiddenContainer" style="position:absolute; top:-10000px; width:0px; height:0px;" ></div><div id="blueBar" class=""></div>

    <form id="logout_form" method="post" action="/logout.php" onsubmit="return Event.__inlineSubmit(this,event)"><input type="hidden" autocomplete="off" name="post_form_id" value="d4f2c3d8b0b4315d4c2639639f65831c" /><input type="hidden" name="fb_dtsg" value="ZIdqd" autocomplete="off" /><input type="hidden" autocomplete="off" name="ref" value="mb" /><input type="hidden" autocomplete="off" name="h" value="21ec091f8b59f819f622eb3ab9a22009" /><label class="uiLinkButton logoutButton"><input type="submit" value="Logout" /></label></form>

Or is this kind of code normal for a Facebook business page?
7:23 pm on Mar 3, 2011 (gmt 0)

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Nothing too remarkable about those snippets. Looks like it's part of the "connect with facebook" code.

Here is some documentation on FB_HiddenContainer (#1 result in G, btw) [forum.developers.facebook.net...]