Media groups Time Warner and Tribune Media have exited Mashable, the digital media brand valued at $250m just 18 months ago.

Media company Ziff Davis has acquired Mashable, a US-based online media brand backed by corporates Tribune Media and Time Warner, for about $50m, the Wall Street Journal reported yesterday.

Mashable runs an online media platform that focuses on digital culture, entertainment and technology, and which generates about 45 unique views per month. It was valued at $250m as of its last funding round, in which it raised $15m in April 2016.

Like many online media properties, Mashable had been…