Everyone uses picture on their website to show products or services. Visitors that come to your website would like to see who they will be dealing with and what you do. What better way to show then with pictures.
Pictures on a website do not just have the the purpose of showing your business and services. Eventhough that is one of the main reasons, pictures can also help you drive visitors to your website. A picture can also rank in the Search Engine, just like your website does. In order to get your picture to rank, we have to add data to the picture. This data is not visible to the visitors of your website, but the Search Engines can read this data. Schema can also be added to the picture. WIth this information added, Google will better understand what your picture is about and therefore can rank it.