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You can do useful keyword research without paying for SEO software: start with the people your site serves, expand their questions with Google Trends, check demand estimates in Keyword Planner, and use Search Console to learn from your site’s own search data. These tools provide different kinds of evidence, so the goal is not to find one “perfect” volume number. It is to build a focused list of phrases that match real reader needs and plan one useful page for each distinct need.
What keyword research does—and what it cannot promise
Keyword research is the process of identifying the words and phrases people use to search for information your site can credibly provide. Google’s guidance is to choose terms relevant to your site and your expertise, rather than chasing unrelated popular searches. Google Search Central’s guide to Google Trends describes ways to explore terms, related queries, and existing site queries.
Free Google tools can help you discover wording, compare relative interest, review estimated search demand, and inspect queries associated with your own site. They do not establish a guaranteed ranking, exact demand for every phrase, or a reliable traffic forecast for a new organic page. Keep each number or signal in its proper context.
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| Tool | Best for | Evidence you get | Access or interpretation note |
|---|---|---|---|
| Google Search and Trends | Finding wording, related topics, and changes in interest | Related and rising queries; comparative interest over time and by geography | Trends interest is relative, not an exact search count. Google Trends can compare up to five terms at a time. |
| Google Ads Keyword Planner | Generating keyword ideas and reviewing monthly search estimates | Estimated search demand and advertising-cost information | Google requires billing information during Google Ads account setup to access basic features such as “Get ideas for new keywords.” Estimates are not organic traffic forecasts. |
| Google Search Console | Understanding how your existing site appears in search | Queries associated with the site, including those that lead to clicks | Its Performance report reflects data for your site; it cannot show your site’s own search performance before that data exists. |
These tools are complementary, not interchangeable: Trends offers direction, Planner offers estimates, and Search Console reports observed queries for a particular site. For Google’s Keyword Planner setup and estimate caveats, see Use Keyword Planner. For the Planner’s keyword refinement and time-period guidance, see Google Ads Help.
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How to do keyword research for free, step by step
1. Set your audience and scope
Write down who your site serves, what it can genuinely help them do, and the subjects where you have relevant expertise. For a general-tech site, a scope might be helping beginners solve common device or software problems. Avoid building a list around a high-interest topic simply because it is popular if your site cannot offer a useful, credible answer.
2. Make a short seed list
Start with a few broad topics and the questions people ask about them. Look at customer or reader questions, product or service categories, and the problems a planned page would solve. Turn each topic into natural phrases a person might search, such as a question, a troubleshooting task, or a comparison. At this stage, capture possibilities rather than trying to judge every phrase.
3. Expand the list with Google Search and Trends
Search your seed phrases and explore them in Google Trends. Use related topics and related queries to find alternate wording and adjacent questions. “Rising” queries can suggest terms whose interest is increasing within the comparison being viewed, but treat them as leads to assess—not automatic content assignments. Remove suggestions that do not fit your audience or your site’s subject.
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Trends Explore supports comparisons of up to five terms. Compare phrases that are genuinely related, then look at the timeline and geographic indications. These views can help you spot apparent seasonality, a change in direction, or regional differences relevant to your audience. The interest scale is comparative context, not a count of searches.
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- How search engines work: Because knowing your enemy is half the battle.
- SEO Basics: Like how to start a website and submit it to Google.
- Keyword Research: Find the most promising keywords for your business.
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- On-Page SEO: The most effective way to explain your pages to search engines.
4. Estimate demand with Keyword Planner
In Google Ads, open Keyword Planner and use “Get ideas for new keywords” to find related terms and monthly search estimates. Basic access requires billing information as part of account setup, even if your purpose is research rather than launching a campaign. Google also explains that results for campaigns can vary with bids, budgets, ad quality, location targeting, products, and customer behavior; a Planner estimate therefore does not promise organic visits or campaign results. Read Google’s Keyword Planner guidance before treating estimates as anything more than directional evidence.
Record the estimate alongside the phrase and the date or context in which you checked it. Do not turn it into a claim that a new page will receive that many visits, and do not discard a relevant phrase just because its estimate is small or unavailable.
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5. Inspect the search results and identify intent
For each promising phrase, review the current search results and ask what outcome the searcher seems to want. Are the results mainly explanations, comparisons, products, local services, or step-by-step fixes? This is an editorial judgment based on the results you see, not a metric supplied by Google’s documentation. Plan a page format that can satisfy that need directly; a tutorial will not serve a searcher looking for a local provider as well as a location-specific service page would.
6. Group phrases around one page-level need
Combine close variants when one thorough page can answer them well. Keep phrases separate when they imply meaningfully different outcomes. For each group, capture:
- Primary phrase and closely related supporting phrases
- Audience and likely search intent
- Planned page or existing page to improve
- Trend direction or relevant geographic pattern
- Any Keyword Planner estimate, with its context
- Search Console impressions or clicks, when available
A spreadsheet is enough to organize these notes. The purpose is to make the relationship between phrase, reader need, and page explicit—not to accumulate the largest possible keyword list.
7. Use Search Console to refine an existing site
In Google Search Console, open the Performance report and inspect the queries associated with your site. Queries with impressions or clicks can reveal the language people already use to reach your pages. Improve a relevant page when it can answer that need better, or plan a new page when the query represents a genuine gap. Search Console data is site-specific, so a new site may have little useful query history at first; use Trends and Planner for discovery while that history develops.
8. Prioritize the phrases you can serve well
Choose topics by considering fit, intent, and evidence together. A useful candidate has an audience your site serves, a clear answer your site can provide, and a page format that matches the likely need. Trend direction, Planner estimates, and observed Search Console performance can inform the choice, but no single volume or difficulty figure guarantees rankings. Google’s guidance on Trends and keyword research likewise emphasizes relevance to the site and its expertise.
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Once phrases are grouped, assign each group to one planned or existing page. Give the page a specific reader outcome, choose a format that fits the intent, and keep the supporting phrases that the same page can answer naturally. If two groups require different answers, plan separate pages rather than forcing unrelated searches into one article.
Review the plan when interest patterns shift or when your Search Console report shows new queries. That creates a simple cycle: discover language, check context, make a page that fulfills the need, and use observed site data to decide what to improve next.
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