X, owned by Elon Musk, has pledged stricter measures against illegal hate and terror content in the UK following an Ofcom investigation. The regulator found concerning levels of accessible extremist material, particularly antisemitic and anti-Muslim posts, after recent hate crimes. X's new commitments include reviewing UK-reported illegal hate content within 24 hours on average and assessing at least 85 per cent of suspected illegal terror and hate posts within 48 hours.

These actions stem from the UK's 2023 Online Safety Act, which mandates platforms to proactively tackle harmful content. Ofcom's intensive engagement with X led to the binding promises, which the regulator will monitor closely over the next year. The commitments also require X to block UK access to accounts operated by or on behalf of proscribed terrorist organisations if they post illegal content.

The move represents X's most significant compliance step since the law's enactment. While groups like the Antisemitism Policy Trust acknowledge the promises, they stress ongoing failures to curb open racism. Ofcom will receive quarterly performance data from X and continues a separate probe into its AI chatbot Grok over sexualised image generation concerns. The outcome will test both regulatory enforcement and platform accountability.