Hello,
I just check my log and apache is producing this errors
[Mon Apr 15 08:10:05 2013] [warn] [mod_pagespeed 1.5.27.0-2800 @370279] Invalid ModPagespeed query params or headers for request http://icnd.info/2011/05/29/percentage-off-milanoo-8/?ModPagespeed=noscript%5C%27. Serving with default options.
[Mon Apr 15 08:10:05 2013] [warn] [mod_pagespeed 1.5.27.0-2800 @370279] Invalid value for ModPagespeed: noscript%5C%27 (should be on, off, unplugged, or noscript)
[Mon Apr 15 08:10:05 2013] [warn] [mod_pagespeed 1.5.27.0-2800 @370279] Invalid value for ModPagespeed: noscript%5C%27 (should be on, off, unplugged, or noscript)
Have not enabled any beta filters on the above site
Thanks
Hemant