Always Optimise Your Photos
Be warned that your search engine ranking is being put at risk if you don't follow some basic web design rules concerning the use of photographs. The search engines will look closely at the time it takes to download pictures to view on your website - so if you think that all it takes to add a photo to your site is to upload a photo from your phone or ipad and 'voila', you're in for a rude awakening.
Any good web designer who knows his onions will be across this but for those of you updating your own sites please make sure that you optimise your images before using them on your website or blog. This means using software to reduce the physical size of the photo - and its file size. A quick solution is to Google for an online image optimiser - the other alternative is to use Photoshop or an Open Source equivalent to do the same job.
If you're serious about your website you might find the link below one of the best and most enlightening things you've clicked on for a while!
In the words of the mighty Google itself, "Image optimization is both an art and science: an art because there is no one definitive answer for how best to compress an individual image, and a science because there are many well developed techniques and algorithms that can significantly reduce the size of an image. Finding the optimal settings for your image requires careful analysis along many dimensions: format capabilities, content of encoded data, quality, pixel dimensions, and more."
Web Design Hampshire by Gethyn Jones.