You might have noticed: Google has made search results snippets longer. In the past it showed up to ~160 characters, now it can be much, much longer. We’re currently researching what this means for site owners. We’ve also changed the Yoast SEO recommendations for meta description length in expectation of the results of that research. …Read: "Google’s snippets and the length of your meta description"
When talking about search result pages, SEOs often refer to “snippets”. Each URL has its own snippet, usually consisting of the title, the URL and the description. Rich snippets are search result snippets with some added info, this could be a rating in stars, maybe including price and availability, but it could also be several upcoming events or an image and preparation time for recipes.
We regularly discuss rich snippets on yoast.com, so read what we’ve had to say about them: