Keyword research for ads

Keyword research for paid search answers two questions: which searches are worth paying for, and which should never trigger your ads. The second matters as much as the first, because broad match and automated campaigns can show ads on searches you would never choose.

Google Keyword Planner is free inside Google Ads and gives keyword ideas, search volume ranges and bid estimates straight from Google. Browser and web tools such as Keywords Everywhere and KeywordTool.io add volumes and autocomplete ideas while you browse. Larger suites such as Ahrefs and Moz cover the same ground with their own data.

Look past volume. A small number of searches from people ready to buy is worth more than a large number of research queries. Words such as "price", "near me", "hire" or a product model number show intent; words such as "free", "jobs" or "how to" often don't, depending on your business.

Negative keywords protect the budget. Build a starting list before launch, then check the search terms report each week and add the irrelevant ones. Tools and scripts can suggest negatives, but a person who knows the business should approve them.

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5 AI PPC tools in keyword research for ads

Google Keyword Planner

by Google

Free tool inside Google Ads that suggests keywords and gives search volume ranges and bid estimates.

  • Free to use or free plan
  • Works with Google Ads

Keywords Everywhere

Browser extension that shows search volume, cost per click and related keywords next to Google search results.

KeywordTool.io

Keyword idea generator based on search autocomplete for Google, YouTube, Amazon and other platforms.

Ahrefs

SEO suite whose keyword explorer shows search volumes and cost per click data that paid search planners also use.

  • Developer API

Moz Keyword Explorer

by Moz

Keyword research tool from Moz with volume, difficulty and keyword suggestions.

  • Developer API

Match types change how a keyword list behaves. Exact and phrase match keep ads close to the words you chose, while broad match lets the platform show ads on searches it thinks are related. Broad match can find new searches but needs good conversion data and a solid negative list to stay on track.

Group keywords by intent rather than by wording alone. Each ad group should share one theme so the ad and the landing page can speak to it directly. A tidy structure also makes the search terms report easier to read, because you can see quickly which searches belong where and which should be blocked.

Revisit the list as the season and the market change. Searches for many products rise and fall through the year, and new terms appear as customers adopt new words for old problems. A quarterly review, with a look at what competitors now bid on, keeps the account from drifting.

Watch costs as well as volumes. Bid estimates in these tools are averages and change with the auction, the time of day and the location you target. Use them to compare keywords and plan a budget range, then let real campaign data show what each click costs for you.

Questions about keyword research for ads

Is Google Keyword Planner free?

Yes. It is part of Google Ads and free to use with an account. Accounts with little or no spend may see volume ranges instead of exact figures.

What are negative keywords?

Words or phrases that stop your ads from showing on certain searches, such as "free" or "jobs" for a business that sells services. They keep budget on searches that can turn into customers.

Do I need a paid keyword tool for PPC?

Many small advertisers manage with Keyword Planner and the search terms report. Paid tools help with larger keyword lists, competitor research and markets outside Google.

Should I use broad match keywords?

Broad match can find useful new searches, but it needs accurate conversion tracking and a good negative keyword list. Many advertisers start with phrase or exact match and test broad match once tracking is reliable.

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