The TSI also fired a warning shot at the 62,000-plus UK businesses that trade online, many of which are "not clued up about their legal obligations to consumers", according to the organisation.
Many sellers are unaware of their obligation to provide clear written information about their goods or services, including contact details, information on how to cancel an order, and a breakdown of costs, including any relevant taxes and delivery charges.
"The findings from an Office of Fair Trading study into online shopping demonstrate the urgent need to improve awareness among shoppers and sellers and to highlight the danger signs, " said Ron Gainsford, chief executive at the TSI.
"Our principal message is simple: when buying from afar, know what your
The TSI's week-long initiative draws on the findings of a 14-month inquiry into internet shopping published by the Office of Fair Trading in June.
In some cases, online shoppers have more rights than when they buy through high street retail outlets. Under the Distance Selling Regulations, for example, online consumers are entitled to a seven-day 'cooling-off' period.
Cotton seedling freezes to death as Chang'e-4 shuts down for the Moon's 14-day lunar night
Fortnite easily out-earns PUBG, Assassin's Creed Odyssey and Red Dead Redemption 2 in 2018
Meteor showers as a service will be visible for about 100 kilometres in all directions
Saturn's rings only formed in the past 100 million years, suggests analysis of Cassini space probe data
New findings contradict conventional belief that Saturn's rings were formed along with the planet about 4.5 billion years ago