Numbers kind of pop out at you. These are examples: “5 Signs of a Zombie Apocalypse” or “How Mutants Can Save 22% on Car Insurance.”
- Cognitive Bias – Standout specific – When you see these in SERPs, they tend to get a slightly higher click-through rate sometimes. This works because of a cognitive bias. Our brains are trained to find things that stand out and are specific. When you’re scanning search results, that’s a lot of information. So your brain is going to try to find some things that it can grasp on to, and numbers are the ultimate things that are both specific and they stand out. So sometimes, in certain circumstances, you can get a higher click-through rate by using numbers in your title tags.