Many hours of my time (yes just mine, one person, not a team of programmers and designers!) have gone into creating and maintaining the XJZ Survey Remover. There are also resources consumed when you use the remover and when you visit the website that have to be paid for.
To keep this service free and to show your appreciation, please consider donating.
(Please note that Paypal takes a fixed fee of about 30p/45c from the donation plus a small variable fee)