Okay, here we go:
W3C page validator points the following about this page:
Validation Output: 7 Errors
Line 2, Column 121: Attribute xmlns:fb not allowed here.
…class="Public LoggedIn NoSidebar" xmlns:fb="
Leaving Facebook... | Facebook">
Line 2, Column 121: Attribute with the local name xmlns:fb is not serializable as XML 1.0.
…class="Public LoggedIn NoSidebar" xmlns:fb="
Leaving Facebook... | Facebook">
Line 104, Column 162: Attribute results not allowed on element input at this point.
….." results="0" title="Enter your search and hit enter" id="QuickSearchQuery"/>
Attributes for element input:
Global attributes
accept when type is file
alt when type is image
autocomplete when type is text, search, url, tel, e-mail, password, datetime, date, month, week, time, datetime-local, number, range, or color
autofocus
checked when type is checkbox or radio
dirname when type is text or search
disabled
form
formaction when type is submit or image
formenctype when type is submit or image
formmethod when type is submit or image
formnovalidate when type is submit or image
formtarget when type is submit or image
height when type is image
list when type is text, search, url, tel, e-mail, datetime, date, month, week, time, datetime-local, number, range, or color
max when type is datetime, date, month, week, time, datetime-local, number, or range
maxlength when type is text, search, url, tel, e-mail, or password
min when type is datetime, date, month, week, time, datetime-local, number, or range
multiple when type is email or file
name
pattern when type is text, search, url, tel, e-mail, or password
placeholder when type is text, search, url, tel, e-mail, password, or number
readonly when type is text, search, url, tel, e-mail, password, datetime, date, month, week, time, datetime-local, or number
required when type is text, search, url, tel, e-mail, password, datetime, date, month, week, time, datetime-local, number, checkbox, radio, or file
size when type is text, search, url, tel, e-mail, or password
src when type is image
step when type is datetime, date, month, week, time, datetime-local, number, or range
type
value when type is not file or image
width when type is image
Line 125, Column 82: Bad value for attribute value on element input: The literal did not satisfy the date format.
…ut type="date" name="date" value="" class="textCtrl" id="searchBar_date"/></dd>
Syntax of date:
A date in the form YYYY-MM-DD. Example: 2002-09-29.
Line 125, Column 82: The date input type is so far supported properly only by Opera. Please be sure to test your page in Opera.
…ut type="date" name="date" value="" class="textCtrl" id="searchBar_date"/></dd>
Line 144, Column 99: Bad value Menu for attribute rel on element a: Keyword menu is not registered.
…"Useful Searches" data-tipclass="flipped"><span class="arrowWidget"></span></a>
Syntax of link type valid for <a> and <area>:
A whitespace-separated list of link types listed as allowed on <a> and <area> in the HTML specification or listed as an allowed on <a> and <area> on the Microformats wiki without duplicate keywords in the list. You can register link types on the Microformats wiki yourself.
Line 168, Column 56: An a start tag seen but an element of the same type was already open.
<div id="logo"><a href="
Stratics Forums">
Line 168, Column 56: End tag a violates nesting rules.
<div id="logo"><a href="
Stratics Forums">
Line 168, Column 56: Cannot recover after last error. Any further errors will be ignored.
<div id="logo"><a href="
Stratics Forums">
The following ones also caused the error:
But do note that when one of the ad divs failed to load, the page loaded completely:
I am running Opera 12.01, build 1532