How to Do Keyword Research for SEO
No jargon, no screenshots of tools you’ve never heard of. Just the seven steps that take you from guessing what to write, to writing the exact thing your customers are already searching for.
9 min read Updated August 2026by Rank Bass SEO Team
Why it matters
Keyword research is the first domino
Keyword research is the process of finding the words and phrases your potential customers actually type into Google when they’re looking for what you offer. That’s the whole definition. What makes it worth doing properly is the chain reaction it sets off.
They search
For a problem, not your product name.
You answer
Content built around that exact phrase.
Google shows it
Because it matches what was typed.
They click
And land on your website, not a competitor's.
Skip keyword research and you’re writing content hoping someone searches for it. Do it properly and you’re writing for searches you already know are happening – which is a much shorter path from stranger to customer.
Quick answer
Keyword research means finding the exact words your customers search, sorting those words by intent and how competitive they are, then giving every page on your site one clear keyword to own. Do this before you write a single sentence of content. Want the advanced version - competitor gap analysis, AI-search optimization, keyword-to-page mapping? Read our full keyword research playbook →
Mindset before method
Think from your customer's view, not like a business owner
The first mistake most people make is thinking about keyword research from behind their own counter. They picture what they sell, then search for that exact phrase. A microgreens business searches “microgreens wholesale supplier.” Their actual customer searches “where to buy fresh microgreens in Chennai” or “microgreens benefits for health” – see the widget above.
Start with the problem your customer has, not the product you sell. Ask yourself:
- What does my customer type into Google before they know my business exists?
- What questions are they asking, in their own words?
- What problem are they trying to solve right now?
- What comparisons are they making before they decide?
Write down 10–15 of these in plain, conversational language. That’s your seed list – everything else in this guide builds on it.
Turn a hunch into data
Feed your seed list into a real keyword tool
Once you have a seed list, run it through a tool that shows how many people search each phrase and how hard it would be to rank for. You don’t need a paid subscription to start.
Google Search Console
Free · start here first
If your site already exists, this shows the exact queries already sending you clicks – real evidence, not an estimate.
Google Keyword Planner
Free
Built for ad buyers, but it still gives solid baseline search-volume data for organic keyword research.
Ubersuggest
Free tier
Keyword ideas, volume, and a rough difficulty score in one place a good first filter for beginners.
AnswerThePublic
Free tier
Type in a topic, get back dozens of “who, what, when, where, why, how” question variations gold for long-tails.
As Ahrefs and most serious keyword guides point out, the most valuable keyword isn’t always the most-searched one – it’s the one where search intent matches your content and you can realistically rank. A term with 70,000 searches a month is worth nothing if you’re competing with Amazon, Forbes, and Wikipedia for it. Once you’re ready to see keyword difficulty (KD) scores and run full competitor gap analysis, a paid tool like Ahrefs or Semrush earns its cost – we cover that side in the full playbook.
Not all keywords behave the same
Learn the three types of keywords
Knowing the difference helps you choose wisely instead of chasing the biggest number on the list.
Short-tail
1-2 words. High volume, brutally competitive, hard to rank without real authority.
Mid-tail
2-3 words. Moderate volume and competition – the sweet spot for most growing sites.
Long-tail
4+ words. Lower individual volume, far less competition, and much higher conversion.
For most businesses that aren’t already dominant in their niche, long-tail is the smart move. Individually each phrase looks small, but industry data consistently shows long-tail phrases collectively make up the majority of real search traffic on smaller, newer sites – because there are so many more of them, and they convert at a noticeably higher rate than broad terms.
The filter that matters more than volume
Check search intent before you carry forward
Search intent is the reason behind the search. Google is good at detecting it, and it rewards content that matches. Ranking a page for the wrong intent is the single most common way keyword research goes to waste.
Informational
why isn't my website showing up on google
Wants an explanation. Serve depth and examples, not a pitch.
Navigational
rankbass reviews
Already knows the brand, wants to find it. Owned pages should win these outright.
Commercial
best free keyword research tools
Comparing options before deciding. Honest comparisons win here.
Transactional
book an seo consultation in chennai
Ready to act. Needs a clear offer and a short path to contact.
Before writing anything, Google the phrase yourself. Look at the top five results – are they blog posts, product pages, videos? That tells you exactly what Google believes the searcher wants, and what you need to build to compete for it.
Don't fight a battle you can't win
Size up who's already ranking
Once you have a shortlist with a good intent match, type each keyword into Google and study the top five results:
- Are these massive, high-authority sites, or smaller niche competitors?
- Is the existing content genuinely useful, or thin and outdated?
- Is there an angle none of the top results are covering?
If the top five are international brands with decades of domain authority, that keyword isn’t worth pursuing yet. If they’re small-to-medium sites with decent-but-unremarkable content, that’s a gap worth filling – and it doesn’t take an expensive tool to spot, just a fresh pair of eyes and an honest read of what’s already there.
Want the exact four-step process we run for clients – pulling competitor rankings, finding overlap gaps, and prioritizing by reachable difficulty? It’s laid out in full in our keyword research playbook.
Stop thinking in single keywords
Organise your keywords into content clusters
The strongest keyword strategy doesn’t end at a list – it becomes a content cluster: one hub page covering a broad topic, supported by several pages that each own a specific sub-topic and link back to the hub. Google reads that structure as topical depth, and rewards it. Here’s what that actually looks like on this site:
Hub:SEO Services
This guide is itself a spoke: a beginner-friendly entry point that links back to the deeper keyword research playbook for readers who want the advanced tactics. Each supporting page should link to the hub, and the hub back to each page – internal linking is where clustering actually pays off.
There is no "finished"
Know that keyword research is never truly done
What people search for keeps changing. New products launch, new questions come up, competitors shift, seasons turn. Keyword research isn’t a task you finish and file away – it’s revisited every few months, refined as you learn which pages are actually gaining traction. Google Search Console is your best companion here: watch which keywords bring impressions and clicks, double down on what’s working, and refresh what’s started to slide.
Worth watching in 2026: AI Overviews and chat assistants
A growing share of searches now get answered directly on the results page or inside an AI assistant, without a click. That raises the bar rather than removing the need for keyword research - it now pays to open each section with a plain, direct answer, use real headings, and back claims with specifics, so the same content that ranks can also get lifted into an AI-generated answer. We go deeper on this in the full playbook.
Save yourself the rework
Common mistakes to avoid
Chasing volume, ignoring intent
A high-volume keyword with the wrong intent brings traffic that never converts.
One keyword, many pages
Splitting a topic across multiple pages makes them compete against each other instead of ranking.
Keyword stuffing
Unnatural repetition reads badly to people and gets discounted by search engines and AI systems alike.
Research once, never revisit
Search behaviour shifts continuously - an annual review is no longer often enough.
In a nutshell
Start today, in five steps
- Pick one topic your business covers.
- Write down five questions your customer might type into Google about it.
- Run them through Google Keyword Planner or Ubersuggest.
- Find one long-tail keyword with clear informational intent and low competition.
- Write the most complete, useful page on that exact topic that exists on the internet.
When DIY needs a team behind it
Learning keyword research is one thing. Running it across on-page, technical, and local SEO at once is another.
If you want a full-spectrum SEO strategy – one that starts with keyword research and builds through technical auditing, content, link building, and reporting – that’s what we do every day for Chennai brands.