Technology companies including Meta, Google and TikTok could face substantial penalties if they fail to provide the option. The government says the measure would give users greater control over what appears in their feeds while requiring platforms to provide basic safety protections for their customers.

The government is still seeking expert advice on whether users should opt into or out of algorithmic feeds. The proposed legislation is also expected to require platforms to tackle harmful material, including illegal pornography and content promoting disordered eating.

Critics have raised concerns about censorship, while the government says platforms would instead be required to identify and reduce risks on their services.