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Information Architecture

Search Relevance

Plain English

How well results match what you actually mean.

Definition

relevance is how well search results align with a user’s , not just the exact words they entered. It determines whether results are actually useful or just technically matched.

In practice

Improved through ranking , synonyms, behavioural , and structured to surface the most useful results first.

In context

It comes up when a for a product name returns the blog post about it above the product page. The match is technically correct and practically useless.

The reality

Most match keywords, not - which is why users often refine searches multiple times or give up.

Compared with

Search Relevance vs Search Accuracy

Accuracy is whether results match the query as typed. Relevance is whether they match what the user meant. Synonyms, misspellings and are where the difference gets expensive.

FAQ

Common questions

A few practical answers to the questions that usually come up around this term.

What is search relevance?

relevance is how well results match a user’s rather than just their exact search terms.

Why is search relevance important?

It ensures users find useful results quickly without needing to refine their repeatedly.

How do you improve search relevance?

By using better ranking logic, synonyms, , and behavioural to understand .

What causes poor search relevance?

Over-reliance on keyword matching without understanding or .

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Previous feedback

I had a fantastic experience working with Andy. One of his most impressive achievements during our time at NHS HEE was masterminding a deeply complex information architecture for a new platform that brought together a large number of legacy websites.

Will Parkhouse

Senior Content Designer