SearchPreview for Chrome provides a thumbnail preview to your search results. Also available for Firefox

This extension is designed to help enhance your search result pages by inserting preview images as well as popularity ranks.

SearchPreview for Chrome displays site preview images (thumbnails) and popularity ranks into Google, DuckDuckGo, Yahoo and Bing searches. SearchPreview for Chrome does not process or retain personal user data and only handles the essential non-personal user data that is required for its features to function. If you turn off the features, no user data is transmitted or held. You can also use it for verifying that the site you are about to go to looks as it should possibly thwarting you ending up on a page that has a similar name to the one you intended to open.