There was a time when you had about 9 seconds to grab a visitor's attention. Unfortunately, it's been more than a decade since you had that much time. Thanks to the introduction of mobile browsing and an increasingly savvy audience, you simply don't have that kind of opportunity anymore. Wondering how to ensure visitors respond to your next campaign? It's called split-testing, and if you're not already employing this strategy, you're already losing potential customers.
