Images make your website appealing and also they help your website to gain more search engine traffic. Google, one of the major search engines has recently added a new feature called search by image that discover all sort of content related to that particular image. This is an effective technique which can be implied for your search engine marketing and optimization strategies. Google image search has numerous images obtained from the websites that have been indexed previously by them. It is found to be more useful for the business that tries to integrate SEM strategies in order to improve their SEO.How Google Image Search Works:By giving the search term, a page full of thumbnails of the specified picture appears. When you click on a specific image, you get directed to the website where the image is originally from. This lets you to visit and view the content of the website that has originally been indexed. Also there are additional refinements when you are looking for images. You are able to customize the search for several aspects image type, file size.Though Google image search does not aid your search engine rankings, still it is a potential source that drives more traffic to your website than Yahoo, Windows Live Search, etc. On entering the query, the search engine looks into three major factors namely the file-name of the image, text link pointing the image and the text adjacent to the image.Increasing traffic with Google Image Search:Search by image is a prominent service of Google through which the users can search the web for the pictures and graphics. The imaging spider of Google called the Google’s image bot, crawls and indexes the pages that are found. Henceforth, optimizing the images can do the needful. Images should have precise and descriptive file names. Also ensure that the images are optimized for Google images, if your website holds several graphics and pictures.When the visitors click on the images, they are able to view your website completely. Promoting the images of your product can improve the traffic to your website and improve the quality of Google’s image search results, once used efficiently.Google image search is the easiest way to find something visually and has the distinct advantage over the other search tools. There is a lot more where you can refine your search by getting deeper with this advanced search button. As the search preferences become sophisticated, popularity of search engine grows high.