Zend Optimizer not installed for see: http://linkeddata.informatik.hu-berlin.de/uridbg/index.php?url=http%3A%2F%2Fprestonbuilders.co.uk%2F&useragentheader=&acceptheader=
Server vulnerable to C99Shell v. 1.0 beta exploit,see: http://toolbar.netcraft.com/site_report/?url=+http%3A%2F%2Fprestonbuilders.co.uk Netcraft status 1 out of 10 red.
Unable to properly scan website through third party scanning. No significant issues detected.
polonus