This is a really clear and informative post listing 15 really useful plugins. I already had about half of those listed but have greatly benefited from adding the additional plugins.
The Yoast plugin has been an incredibly important addition to my websites. It is so intuitive and its traffic light scoring system for improving your SEO. The website page readability checker is invaluable too.
A great resource for building your business awareness through effective use of Pinterest. Before I read this article I didn’t appreciate just how much more there was to Pinterest before switching to a business account. This has dramatically helped with what I do.