The present disclosure relates to systems and methods for delivering related video content to a user in response to user actions on augmented keywords on a web page. A server may receive from a browser, in response to an indication of a mouse over a keyword currently displayed on a web page of a client, a keyword identified for augmentation via a user interface overlay. The server may identify, responsive to receiving the keyword, a plurality of videos related to the keyword. A content relevancy engine may determine an order of relevance of the plurality of videos to the keyword. The server may transmit to the client, within a predetermined time period from the indication, the user interface overlay to include a selected one or more videos of the plurality of videos with a higher order of relevance.