Overall, according to Ofcom, adults in Northern Ireland spent an average of four hours and 16 minutes a day online, most of it on their smartphones.
Google, referred to by the name of its parent company Alphabet, was the most used website in Northern Ireland and the most popular search engine.
That was followed by Meta, Amazon and websites operated by Microsoft.
The BBC, though, was the fifth most visited online site in Northern Ireland and the UK as a whole, and had the highest daily audience of any news service.
The BBC site reached 86% of adults in Northern Ireland, compared to 83% of adults in both England and Scotland, and 82% of adults in Wales.
The BBC, The Sun and Mail Online featured in the top four news services in all UK nations, but the Belfast Telegraph had the third highest reach of news services in Northern Ireland.
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