Which LinkedIn feature allows businesses to retarget website visitors with ads?

Matched Audiences is the correct choice as it encompasses tools that specifically enable businesses to retarget website visitors through tailored advertising. This feature allows marketers to create audience segments based on their interaction with a company’s website, thereby displaying targeted ads to those individuals when they visit LinkedIn. This approach helps in maintaining visibility and engagement with potential customers who have previously shown interest in the business's products or services.

In contrast, Audience Insights provides valuable data about the demographics and interests of an audience but does not directly facilitate retargeting. Event Promotion is focused on advertising specific events rather than retargeting website visitors. Sponsored Content involves sharing posts with a wider audience but is not specifically designed for the purpose of retargeting individuals who have visited a website. Thus, Matched Audiences stands out as the dedicated solution for businesses seeking to re-engage their website visitors through LinkedIn ads.