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Keywords

A Keyword is the word or phrase people type into search engines to find information, products, or websites.

Level: BeginnerRead: 3 minUpdated: 27 Jul 2026By Vera Lindqvist

Key facts

  • The four most common SEO keyword types by search intent are informational, navigational, commercial, and transactional.
  • Informational keywords are used when searchers want to learn something.
  • Navigational keywords are used when searchers want a specific website or page.
  • Commercial keywords are used when searchers are comparing brands, products, or services before a decision.
  • Transactional keywords are used when searchers want to complete an action, such as buying or signing up.

Also called

search queries, search terms

Use it for

matching content to searcher intent

Applies to

Google / Bing / all search engines

Keyword Types by Search Intent

The most common way to group a Keyword is by the searcher's intent. This helps you create content that matches what the user expects to find.

Informational keywords are used when someone wants to learn something. Examples include "how to bake bread" or "what is SEO". Navigational keywords are used when someone wants a specific website or page, like "Facebook login" or "GrowthPedia keywords". Commercial keywords are used when someone is comparing options before a decision, such as "best running shoes" or "iPhone vs Samsung". Transactional keywords are used when someone wants to complete an action, like "buy running shoes" or "sign up for newsletter".

Matching your page to the correct intent is critical. A page targeting an informational keyword should educate, not sell. A transactional page should make the purchase easy. Note that seo keywords case sensitivity is not an issue; search engines treat uppercase and lowercase the same.

  • Informational: searcher wants to learn.
  • Navigational: searcher wants a specific site.
  • Commercial: searcher is comparing options.
  • Transactional: searcher wants to buy or act.

Keyword Length: Short-Tail, Middle-Tail, and Long-Tail

Keywords can also be grouped by length. Short-tail keywords are broad and usually one or two words, like "shoes" or "SEO". They have high search volume but vague intent. Short-tail keywords are also called Popular Keywords because they are searched frequently. Long-tail keywords are longer and more specific, like "best running shoes for flat feet" or "how to do keyword research for beginners". They have lower search volume but clearer intent and often less competition.

Middle-tail keywords fall in between, such as "running shoes" or "SEO tools". They balance volume and specificity.

Using only short-tail keywords is a common mistake. You compete for broad terms with high competition and unclear intent. Long-tail keywords often convert better because the searcher already knows what they want.

Branded vs Non-Branded Keywords

Keywords can be grouped by brand relationship. Branded keywords include the brand name, like "Nike shoes" or "GrowthPedia keyword guide". Non-branded keywords do not, like "running shoes" or "keyword guide".

Branded keywords usually have higher conversion rates because the searcher already knows the brand. Non-branded keywords are useful for attracting new audiences who are not yet familiar with your brand.

Both types are important. A balanced strategy targets branded terms for existing customers and non-branded terms for discovery.

Keyword Roles in Content Strategy

Some guides classify keywords by their role in a content plan. Primary Keywords are the main target for a page. Secondary keywords support the primary one and appear naturally in the content. Supporting keywords are related terms that add context but are not the main focus.

For example, a page about "keyword research" might have "keyword research tools" as a secondary keyword and "SEO Keyword Tool" as a supporting keyword. This structure helps you cover a topic comprehensively without keyword stuffing. Also consider URL Keywords when structuring your page.

Google's SEO guidance focuses on creating helpful, relevant content and clear titles, descriptions, and internal linking, rather than on keyword repetition or exact-match targeting.

Common Mistakes with Keywords

Many beginners make avoidable mistakes with keywords. Here are three common ones:

Treating keyword types as fixed categories instead of overlapping labels can lead to rigid content planning and missed search opportunities. A keyword like "buy running shoes" is both transactional and long-tail.

Using only short-tail keywords usually means competing for broad terms with high competition and unclear intent. You waste effort on queries that may not convert.

Ignoring search intent can cause a page to rank poorly because it does not match what the searcher expects. Always check the current SERP before assigning a page target.

  • Treating keyword types as fixed categories instead of overlapping labels; this can lead to rigid content planning and missed search opportunities.
  • Using only short-tail keywords; this usually means competing for broad terms with high competition and unclear intent.
  • Ignoring search intent; this can cause a page to rank poorly because it does not match what the searcher expects.

Common mistakes

  • Treating keyword types as fixed categories instead of overlapping labels Rigid content planning and missed search opportunities
  • Using only short-tail keywords Competing for broad terms with high competition and unclear intent
  • Ignoring search intent Page ranks poorly because it does not match what the searcher expects

Questions

how many types of keywords in seo

There is no single official number. The most common grouping uses four intent types: informational, navigational, commercial, and transactional. Some lists include dozens of labels, but many overlap.

how to add exact match keywords in google ads

Exact match keywords in Google Ads are added by placing the keyword inside square brackets, like [running shoes]. This tells Google to show your ad only when someone searches for that exact phrase or a close variant.

what are long tail keywords

Long-tail keywords are longer, more specific search phrases, usually three or more words. They have lower search volume but clearer intent and often less competition, making them easier to rank for and more likely to convert.

See also

Sources

  1. Google Search Central - SEO Starter Guide developers.google.com
  2. Moz - What Are Keywords & Why Are They Important for SEO? moz.com
  3. Semrush - 4 Types of Keywords in SEO semrush.com

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