It found that the OPSS faces 'major challenges' in ensuring the safety of products sold online, including on online marketplaces.
eBay has ended a 19-year relationship with PayPal as part of a significant overhaul to its business. Which? explains what this means for buyers and sellers.
Facebook has promised to suspend or ban users who repeatedly set up groups and profiles that promote, encourage and facilitate bogus or misleading reviews across Facebook and Instagram, both of which it owns.
Posing as a regular shopper, Which? reported listings of dangerous recalled products to some of the biggest online marketplaces - and our reports were ignored.
Our latest investigation has revealed that there continues to be a thriving market for the trading of Amazon reviews on Facebook. What about eBay?
We've had nearly 1,500 entries to our price gouging reporting tool, including inflated prices on Amazon, Chemist-4-u, eBay, UK meds and in local stores.
More than 100,000 indoor surveillance cameras in UK homes, including popular marketplace brands ieGeek, Accfly and SV3C, could be easily hacked, allowing someone to spy on your home.
Which? has uncovered hundreds of listings from some third-party sellers seeking to profiteer by selling essentials at inflated prices across online marketplaces, along with evidence that thousands have been sold....
A Which? investigation shows that online marketplaces are failing to protect their customers' safety by selling food and drinks that are banned and unsafe.
Since we first reported the issue to eBay and Amazon, Which? member feedback and our own research shows that far more needs to be done to combat opportunistic sellers.