Rankfill

How to Find Seed Keywords for Your Content Strategy

You open a keyword research tool for the first time. It asks you to "enter a seed keyword." You stare at the blank field. You type your company name. Nothing useful comes back. You try your product category. The results are either absurdly competitive or completely irrelevant. You close the tab.

This is where most people get stuck — not because keyword research is hard, but because nobody explains what seed keywords actually are or where they come from before you touch any tool.

Here's how to find them properly.

What a Seed Keyword Actually Is

A seed keyword is a short, broad term that represents a topic your business lives inside. It's not a keyword you necessarily try to rank for — it's a starting point you feed into research to generate the actual keywords you'll target.

"Project management software" is a seed keyword. "CRM" is a seed keyword. "wedding photography" is a seed keyword. They're too competitive and too vague to target directly, but they're the root of hundreds of useful, rankable variations.

The goal at this stage is not precision. It's coverage. You want enough seeds to map your full topic territory.

Start With What Your Customers Actually Say

Before opening any tool, do this: write down every phrase a customer has used to describe what you do or what problem you solve — in their words, not yours.

This matters because there's usually a gap between how you describe your product and how someone who needs it searches for it. A company that sells "revenue operations software" might find their customers searching for "how to align sales and marketing" or "CRM reporting problems." Those phrases are seeds.

Sources for this:

You're listening for the vocabulary your customers use before they know your solution exists. Those are your seeds.

Map Your Topic Clusters First

Another reliable method: map every broad topic your business could credibly write about or rank for.

Think in categories. A project management tool might cover: task management, team collaboration, project planning, time tracking, remote work, productivity, Agile methodology, client reporting. Each of those is a potential seed.

Write them all down without filtering. You're not committing to ranking for any of them yet — you're building a list to research.

Aim for 10 to 30 seeds across your topic territory. More than that and you're probably duplicating. Fewer and you're leaving gaps.

Use Competitor Sites as a Shortcut

Go to any competitor's website. Look at:

If a competitor has built out content around a topic, that topic is a confirmed seed — someone is searching for it, and someone is willing to invest in covering it.

This is one of the fastest ways to find seeds you haven't thought of. You're not copying their content; you're borrowing their topic map.

Validate With Google Before You Touch a Tool

Type each potential seed into Google and look at three things:

Autocomplete — what does Google suggest when you type the phrase? Each suggestion is a real search people make. These surface long-tail variations you'd never think of.

People Also Ask — these questions tell you what subtopics live inside your seed. They're also some of the most useful content targets you'll find.

Related searches (at the bottom of the page) — these often reveal adjacent seeds you missed.

This takes about two minutes per seed and gives you a fast signal on whether the topic is active and what direction it branches.

Now Use a Tool to Expand and Score

Once you have a solid seed list, run them through a keyword research tool. Ahrefs, Semrush, and Google Keyword Planner all accept seed keywords and return expanded lists with search volume and difficulty scores.

What you're looking for at this stage:

Don't try to target your seed keywords directly. They're inputs, not outputs. The output is the long list of specific, rankable terms that branch off from them.

Understanding this distinction — between broad seeds and the specific terms you actually build content around — is also the core of head terms vs. long-tail keywords.

A Common Mistake to Avoid

Picking seeds based on what you wish you ranked for, rather than what connects to real customer intent.

If you sell accounting software for freelancers, "accounting software" is technically a seed — but the useful seeds are the ones that match how your specific customers think: "invoice tracking for freelancers," "self-employed taxes," "quarterly estimated taxes." Those lead to rankable, relevant content. "Accounting software" leads to a competitor list you can't win.

Seeds should be broad, but they should still sit inside your actual market. The goal is a research starting point, not a wishlist.

Organizing What You Find

Once you've expanded your seeds into a longer keyword list, group them by topic cluster. Every keyword that relates to the same underlying subject belongs in the same group. Each group becomes a content pillar — one primary page supported by several more specific pieces.

This grouping step is where seed research turns into a real content plan. Without it, you end up with a random list of keywords and no clear order of operations.

If you want to see this done against your actual competitor landscape rather than in the abstract, Rankfill is one service that maps your competitors' keyword coverage and shows you exactly where your content gaps are.

For anyone building this out manually, the process is: seeds → expanded keyword list → topic clusters → prioritized content calendar. Moving through those four steps with discipline is what separates a content strategy from a random posting schedule.

Once you have your seeds and the keyword list they generate, the next challenge is knowing which ones to pursue first — especially if you're competing against established sites. That question is covered in competitive keywords: how to rank when you're behind.

Frequently Asked Questions

How many seed keywords do I need to start? Ten to thirty is a workable range for most businesses. Too few and you'll miss whole topic areas. Too many and you're probably repeating yourself. Quality matters more than quantity — each seed should represent a genuinely distinct topic.

Can I use my product name or brand as a seed keyword? You can, but it's usually not useful. Branded searches won't help you find new traffic opportunities. Use your product category or the problems your product solves instead.

What's the difference between a seed keyword and a target keyword? A seed is what you put into a research tool to generate ideas. A target keyword is a specific term you actually optimize a piece of content for. Seeds are inputs; target keywords are outputs.

Do seed keywords have to be single words? No. Two- or three-word phrases work fine as seeds. "Email marketing," "home office furniture," "B2B lead generation" — all usable seeds. Single words are often too broad to generate useful results.

I don't have any keyword tools. Can I still find seeds? Yes. Customer language, competitor navigation, Google Autocomplete, People Also Ask, and Google Search Console are all free. You can build a solid seed list without paying for anything.

How often should I revisit my seed list? When your product expands, when you enter a new market, or when you notice competitors ranking for topics you haven't covered. Otherwise, once or twice a year is enough for most businesses.