The free online bargain shopping service InvisibleHand, has produced a set of tips and hints for shoppers who use the Google Chrome and Firefox web browsers.

Using compiled data and feedback from web surfers, the New Rules of Online Shopping, offers useful facts about specific goods in order for shoppers to be as well informed as possible.

The downloadable programme directs users to better deals available on websites by cross referencing prices.

The organisation claims their broser plug-in has helped Americans save around $48 million dollars, online.

InvisibleHands top tips include; downloading the correct technical tools, using a dependable browser, always making sure the checkout is secure, and having the patience to have a look around.