Google's goal in a nutshell is…
To provide accurate and relevant content that satisfies user queries.
In order to do this, as a semantic search engine, Google segments all of the content in its index into topics.
Those topics are broken down into subtopics.
Each topic is called a Knowledge Domain.
For each Knowledge Domain, Google understands:
- What queries users generally ask
- What entities are associated with that topic
- Which sites are experts in the topic
This means to answer a user query, Google no longer has to search billions of pages in its index to find an answer to a user query.
Instead, when a user queries the search engine, Google identifies which topic or Knowledge Domain the query belongs to.
It then simply searches that Knowledge Domain for an answer to the query.
And, it already has a list of sites that have established themselves as experts in the topic.
How do you establish your site as a topical expert?
By creating a thorough network of content that covers the topic thoroughly.
This is a semantic SEO strategy called topical authority and topical authority is achieved through content clustering.
In this post, I’ll cover:
What content clusters are and I'll show you two opposite approaches to creating cluster content.