What are content clusters, and why do they help SEO?

Instead of publishing unrelated articles, you plan around topics. For an accounting software company, a pillar page on small business bookkeeping might link to detailed pages on invoicing, expense tracking, tax returns and choosing software, each linking back to the pillar and to related pages.

Why it helps:

• Relevance: covering a topic in depth shows the breadth of your expertise, not just one keyword.
• Internal links: authority flows to the pages that matter, and crawlers discover new pages faster.
• Less overlap: each page has a distinct job, so your pages don't compete for the same query.
• Follow-up questions: Google describes AI features running several related searches to build one answer, so covering the subtopics gives you more chances to be retrieved.

To build one, start with keyword and question research, group queries that share the same intent, decide which page answers each group, and map the internal links before writing. Then fill the gaps over time and update the pillar as the cluster grows.

This FAQ is organised the same way: each category page links to detailed answers, which link on to related questions.