# Block image and website previews {!admin-only.md!} By default, when a user links to an image or a website, a preview of the image or website content is shown. You can choose to disable previews of images and/or website links. Zulip proxies all external images in messages through the server, to prevent images from being used to track Zulip users. ### Block image and website previews {start_tabs} {settings_tab|organization-settings} 1. Under **Other settings**, toggle **Show previews of uploaded and linked images and videos**. 1. Under **Other settings**, toggle **Show previews of linked websites**. {!save-changes.md!} {end_tabs}