Topic Clusters for Banks: How to Build SEO Authority Around Every Product

Bankrate's mortgage pillar page drives 4.4 million organic sessions a month — and it isn't one brilliant article, it's architecture. Here's how banks and credit unions use the topic cluster model to build SEO authority around every product: pillar pages, 8–15 cluster articles, bidirectional linking, and a structure that earns 3.2x more AI citations than standalone posts.