If you're running a photoblog or photography website, then you're probably already aware of the importance of properly adding descriptive text to your images. If you want to help improve how well your images and your blog is found on search engines, then properly adding alt text can make a big difference. However, if like me, you're using Squarespace as your blogging platform, then it might not be immediately obvious as to how you add this text to images. In this short post, I'll show you how to add alt text for both single image blocks and gallery blocks.