Cache is a temporary storage used by your browser to save files such as images, fonts, CSS, HTML, and JavaScript from websites you visit.

This helps websites load faster because your browser does not need to re-download all the files every time you visit a page.

However, sometimes the stored (cached) version of a website may differ from the updated version available online. This can lead to display issues, glitches, or outdated content being shown.

Clearing cache helps resolve these issues by removing stored files and allowing your browser to load the most recent version of the website. It can also improve performance, especially on platforms like mySecondTeacher where content is frequently updated.