
Learn how to connect a site to a Serial device. Serial ports: Sites usually connect to serial ports for data transfer features, like network setup.Motion sensors: Sites often use your device's motion sensors for features like virtual reality or fitness tracking.Protected content: When a site plays content protected by copyright, it might ask to recognize your device.PDF documents: Sites sometimes publish PDFs, like documents, contracts, and forms.Zoom levels: You can set how much you zoom in or out on certain sites.Fonts: Sites can ask to use fonts that are installed on your local device.Background sync: After you leave a site, it can sync to finish tasks, like upload photos or send a chat message.Learn more about Bluetooth device connection. Bluetooth devices: Sites usually connect to Bluetooth devices to allow a site to record and show information about the device.MIDI devices: Sites usually connect to Musical Instrument Digital Interface (MIDI) devices for features you can use to create and edit music.Automatic downloads: Sites might automatically download related files together to save you time.By default, Chrome asks you if a site's plug-in can bypass Chrome's sandbox to access your computer. Unsandboxed plugin access: Some sites need plugins so they can let you do tasks like stream video or install software.Learn more about cameras and microphones. Camera and microphone: Sites usually use your video camera and microphone for communication features like video calls.Notifications: Sites usually send notifications to let you know about breaking news or chat messages.Location: Sites usually use your location for relevant features or info, like local news or nearby shops.However, some sites are known to show intrusive or misleading ads. Ads: Sites usually show ads so they can provide content or services at no charge.Pop-ups and redirects: Sites might send pop-ups to show ads, or use redirects to lead you to sites you may want to avoid.


