WordPress image audit plugin

Most image libraries were not built in one sitting. They accumulate across several people and several years, and then somebody inherits one and has to answer questions about it: how much of this is missing alt text, how much of it is far larger than the site will ever display, how much of it is broken, and how much of it does anything still refer to. WordPress answers none of those. The Media list tells you a file name, who uploaded it, and when, and everything else means opening attachments one at a time. On a library of a few thousand nobody does that, so the questions stay unanswered. This plugin answers them. It reads your library, reports what it found, and says plainly what it could not determine. The only thing it ever writes is alt text, and only when you type it. What you get Alt text, dimensions and file size on the Media list. Alt text is editable in place, so working through