There is not a large body of literature about digital resources found and accessed autonomously by high school students while studying mathematics, whereas this topic has become more and more relevant in times of lockdown due to the pandemic. Italy has been one of the first countries facing lockdown for an extended time, making this country a paradigmatic example: in this paper we investigate what kind of digital resources are accessed by the Italians high school students who actually use them and why. According to our results, students' aims and expectations vary according to the school grade, but are not as much devoted to procedural learning as previous literature has shown. Also, we observe that the type of searched media (text, video, image, etc.) is related to the mathematical contents and to students' objectives.