Keyword Research
Every piece of content you publish is an attempt to answer a question someone is typing into Google. Keyword research is how you find out what those questions actually are - and whether answering them is worth your time.
Get keyword research right and everything that follows becomes easier. Your content targets queries with real demand. Your pages match what searchers actually want. Your site earns traffic that converts. Get it wrong and you can publish consistently for months and rank for nothing that matters.
What keyword research actually is
A keyword is not just a word or phrase. It is a signal of intent. When someone types "best running shoes for flat feet" into Google, they are telling you they have a problem, they are in research mode, and they are likely close to making a purchase. The keyword is the surface - the intent underneath it is what your content needs to address.
Keyword research is the process of identifying which queries your audience uses, understanding the intent behind them, and deciding which ones are realistic targets for your site. It sits at the intersection of what people want and what you can credibly provide.
Why it matters more than most things in SEO
According to Backlinko's research, 91.8% of all search queries are long-tail keywords - specific, multi-word phrases rather than broad single terms. Most of those queries have relatively low competition. And according to data cited by Profitworks, long-tail keywords deliver approximately 2.5 times higher conversion rates than shorter, broader terms, because the specificity of the query signals clearer intent.
There is also a continuous discovery problem. Google has confirmed that approximately 15% of searches it processes every day are entirely new queries it has never seen before. Keyword research is not a one-time task you complete before launching a site. It is an ongoing process of understanding how your audience's language, needs, and search behaviour evolve.
What this chapter covers
The five pages in this chapter build on each other. Work through them in order if keyword research is new to you.
- Search intent - the most important concept in keyword research. Before volume, before difficulty, before anything else, you need to understand what type of answer a query is looking for and whether your content can provide it.
- How to find keywords - practical methods for discovering the queries your audience uses, from free tools like Google Search Console and autocomplete to paid tools like Ahrefs and Semrush.
- Keyword difficulty and volume - how to read difficulty scores, what search volume actually tells you, and how to find the keywords that are genuinely winnable for your site right now.
- Long-tail keyword strategy - why specific, lower-volume queries are often the highest-value targets, and how to build a strategy around them.
- Building a keyword map - how to assign keywords to pages, prevent cannibalisation, and keep your keyword strategy organised as your site grows.
Next: Search intent