Facebook Stories Ads: The Only Guide with Specs, Best Practices & More
Learn what Facebook Stories Ads are and how they can increase user engagement and conversions. Plus, ad specs, examples, and best practices.
28 Dec 2018 ... Video size: 500 x 500px minimum · Video ratio: 1.91 minimum to 9:16 maximum. · Aspect ratio tolerance: 1% · Video length: 1 to 15 seconds · File ...