Described herein is a computer implemented method comprising: receiving, at a collaboration system, a page view request from a user device, the page review request being in respect of a page; identifying a content item link in the page for which a preview should be generated; generating a preview generation request for the user device to generate a preview in respect of the identified content item by a preview generation application installed on the user device; receiving, by the collaboration system, the preview generated by the preview generation application installed on the user device; and storing, by the collaboration system, the preview.