Creating winning case studies isn't easy, but this post from SketchDeck should help. For their research, they shortlisted 11 high-growth venture-backed startups with a total of 79 case studies. I really appreciate how they formulated their results into a report card that you can use to grade your own efforts.
Vanity Planet's A/B test ran for 10 days, tracking nearly 6,000 visitors. The company used photos curated from Instagram as well as those uploaded by customers along with their reviews. The result was a 24% increase in sales.
If you've never used Pinterest before, this case study provides a great overview of how Pinterest Ads work. Depending on your market, it may be worth running a test.
This case study shows how to improve trial signups by using targeted emails to reactivate visitors that have abandoned the signup process. With the right tools it's ridiculously easy to implement and the impact can be substantial. If your SaaS business isn't using signup abandonment emails, they should.