GPeeker

Features: * Press your favorite hotkey while hovering a link to open a popup with a preview of that link. * The ability to make GPeeker ignore specific domains. After four years, GPeeker is back baby! This extension allows you to preview any link without actually navigate to it. Just hover your mouse to the desired link, press the Shift key, and boom! You will see a popup with all the content from this link. Press Shift again, and boom! You will navigate to this page. Of course, You can customize the Shift key.