meduzov

Lanfen:
Одна из возможных причин - это скрытый контент:
1)
<h1 style="display: none;">Магазин звукового оборудования ''Upsound''</h1>
2)
<iframe width="1" height="1" src=" .... " style="top: -10000px; left: -10000px; position: absolute; visibility: visible;"></iframe>
3)
<iframe class="... " id="... " frameborder="0" border="no" scrolling="no" src="... " style="width: 1px; height: 1px; position: absolute; top: -100000px; left: -100000px; visibility: visible; overflow: hidden;"></iframe>
4)
<div id="dp_swf_engine" style="position: absolute; width: 1px; height: 1px;"><embed style="width: 1px; height: 1px;" type="application/x-shockwave-flash" src="http://www.ajaxcdn.org/swf.swf" width="1" height="1" id="_dp_swf_engine" name="_dp_swf_engine" bgcolor="#336699" quality="high" allowscriptaccess="always"></div>