The words people use when searching on the internet are becoming more specific. And they are using a number of different devices to do so.
At the same time search engines have also become more sophisticated and keywords need to reflect this. For instance, when once someone may have keyed in ‘Ladies shoes’ they will now type ‘Sensible low price ladies walking shoes’ to get a better result.
To give your brand the best chance of success with SEO in relation to images you need to optimise the illustrations and photos you use.