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SEO Keyword Guide

How Many Types of Keywords Are There in SEO? 27 Types With Examples and Categories for E-commerce

What are keywords in SEO, and how many different types exist? This guide covers all the keyword categories you need to know, with clear SEO keywords examples for every type. Whether you're optimizing product pages or building a content strategy, understanding keyword classifications can play an important role in e-commerce performance. Similar AI's platform automates this for e-commerce retailers.

SEO Keyword Examples by Type

Commercial: "buy running shoes online"
Informational: "how to choose running shoes"
Navigational: "nike running shoes"
Long-tail: "best waterproof running shoes for flat feet"
Transactional: "buy Brooks Ghost 16 size 10"
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What Are Keywords in SEO?

Keywords are the words and phrases people enter into search engines. They are the foundation of every SEO strategy because they connect your content with people actively searching for what you offer. Understanding the different types of keywords helps you create pages that match user intent and earn higher rankings.

Examples of Keywords in Practice

General Keywords

Broad, high-volume terms that describe a wide topic or product category.

  • • "shoes"
  • • "laptops"
  • • "headphones"

Specific Keywords

More targeted phrases that narrow down to a particular product, feature, or audience.

  • • "men's trail running shoes"
  • • "lightweight laptop for students"
  • • "noise-cancelling earbuds under $100"

Successful Keywords

Keywords that balance search volume, competition, and conversion potential for your store.

  • • High relevance to your products
  • • Achievable competition level
  • • Clear purchase or research intent

Keyword Categories and Classifications

There are several ways to classify keywords in SEO. Understanding these keyword categories is the foundation of a successful e-commerce search strategy.

Intent-Based Keywords

Keywords classified by user search intent: informational, navigational, commercial, and transactional. These are the four keyword types most often discussed in SEO.

  • • Informational: "what are running shoes"
  • • Commercial: "best running shoes 2024"
  • • Transactional: "buy nike air max"
  • • Navigational: "nike.com running shoes"

Search Volume Categories

Keywords grouped by monthly search volume help you prioritize which keyword types to target first.

  • • High volume: Thousands of searches per month
  • • Medium volume: Hundreds to thousands
  • • Low volume: Fewer than a hundred

Competition Levels

Understanding keyword difficulty helps balance opportunity with achievability across different keyword types.

  • • Low competition: Easier to rank
  • • Medium competition: Moderate effort
  • • High competition: Requires authority

The Four Keyword Types by Search Intent

What are the four keyword types for SEO? Every search query falls into one of these intent-based categories. Here are the different types of keywords with examples for each.

I

Informational Keywords

Users want to learn something. These keywords often start with "what," "how," or "why."

• "what are the best fabrics for summer"
• "how to clean leather shoes"
• "running shoes vs walking shoes"
N

Navigational Keywords

Users are looking for a specific website, brand, or page.

• "Nike store"
• "Amazon laptop deals"
• "Adidas Ultraboost"
C

Commercial Keywords

Users are researching before a purchase. These signal comparison or evaluation intent.

• "best running shoes for flat feet"
• "iPhone 15 vs Samsung Galaxy S24"
• "top rated wireless headphones 2024"
T

Transactional Keywords

Users are ready to buy. These keywords indicate immediate purchase intent.

• "buy Brooks Ghost 16 size 10"
• "order MacBook Pro online"
• "discount code for running shoes"

E-commerce SEO Keywords: Essential Categories

Beyond search intent, e-commerce stores should target these specific keyword categories to capture shoppers at every stage of the buying journey. Below are examples of SEO keywords organized by category.

1

Product Keywords

Specific product names, models, and variations that customers search for. These are some of the most popular keywords that accurately describe what you sell.

2

Brand Keywords

Your brand name, competitor brands, and brand-specific product searches.

3

General Keywords

Broad keyword categories that group related items together, such as "running shoes" or "wireless headphones." These are critical for e-commerce search terms.

4

Commercial Intent Keywords

Keywords that signal buying intent, like "best," "buy," "review," and "compare."

5

Long-tail Keywords

Highly specific phrases like "waterproof hiking boots for wide feet" that convert at much higher rates despite lower volume.

Keyword Examples by Category

Product Keyword Examples
"iPhone 15 Pro", "MacBook Air M2", "Samsung Galaxy S24"
Brand Keyword Examples
"Apple store", "Nike shoes", "Adidas sneakers"
General Keyword Examples
"running shoes", "laptops", "wireless headphones"
Commercial Intent Examples
"best laptop 2024", "buy iPhone online", "laptop reviews"
Long-tail Keyword Examples
"best waterproof running shoes for women", "organic cotton toddler pajamas size 3T"

Long-tail vs Short-tail Keywords: Examples and Strategy

Understanding the trade-offs between different keyword lengths helps optimize your content strategy. Here are examples of keywords from both ends of the spectrum.

Short-tail (General Keywords)

Volume vs Conversion

High search volume but lower conversion rates due to broad intent. General keywords like "shoes" attract a wide audience.

Competition

Highly competitive, requires significant authority to rank for these popular keywords.

Keywords Examples

"shoes" (1-2 words)
"laptop" (1 word)
"phone case" (2 words)

Long-tail (Specific Keywords)

Volume vs Conversion

Lower search volume but higher conversion rates due to specific intent. Long-tail keywords examples include detailed product queries.

Competition

Less competitive, easier to rank for with targeted content.

SEO Keyword Examples

"best waterproof running shoes for women" (6 words)
"MacBook Pro 16 inch M3 review" (6 words)
"clear phone case iPhone 15 Pro Max" (7 words)

Content Strategy for Different Keywords

Short-tail Strategy

  • • Target general keywords on category and homepage
  • • Build topical authority
  • • Focus on brand awareness
  • • Requires comprehensive content

Long-tail Strategy

  • • Target specific keywords on product and blog pages
  • • Address specific customer problems
  • • Drive qualified, high-intent traffic
  • • Easier to create targeted content

Keyword Research for E-commerce Product Pages

Effective product page optimization requires understanding how customers search for your specific products. Here are strategies for finding the right e-commerce SEO keywords.

Product-Specific Research

Research keywords for each product variation, including model numbers, sizes, and colors.

  • • Model numbers and SKUs
  • • Product specifications
  • • Alternative product names
  • • Common misspellings

Variant Keyword Targeting

Target different keywords for product variants like sizes, colors, and configurations.

  • • Size-specific keywords
  • • Color variations
  • • Material differences
  • • Bundle combinations

Customer Language Analysis

Analyze how customers actually describe your products in reviews and support tickets to find keyword names they use naturally.

  • • Customer review language
  • • Support ticket terminology
  • • Social media mentions
  • • Survey responses

Implementation Strategies for SEO Keywords

Turn your keyword research into action with proven implementation and tracking methods.

Keyword Mapping to Pages

Create a strategic map of which keywords should target which pages to avoid internal competition. Proper keyword classifications prevent cannibalization.

  • Assign primary keywords to specific pages
  • Group related keywords by search intent
  • Avoid keyword cannibalization across categories

Example Keyword Map

Homepage:"running shoes"
Category:"men's running shoes"
Product:"Nike Air Max 270"
Blog:"best running shoes 2024"

Optimization Checklist

Title tag optimization
Meta description update
Header tag structure
Internal linking
Image alt text

Content Optimization Tactics

Cover your target topics thoroughly so that each page fully addresses the searcher's intent.

  • Include primary keyword in title and H1
  • Use semantic keywords throughout content
  • Optimize for featured snippets

Performance Tracking Methods

Ranking Tracking

Monitor keyword positions and SERP feature appearances over time.

Revenue Attribution

Connect keyword performance to actual sales and revenue data.

Conversion Analysis

Measure how different keyword types contribute to your conversion funnel.

Frequently Asked Questions About SEO Keyword Types

How many types of keywords are there in SEO?

SEO professionals commonly recognize anywhere from 5 to over 20 distinct keyword types depending on how granularly you classify them. The most widely referenced categories include short-tail, long-tail, informational, navigational, commercial, transactional, branded, and geo-targeted keywords. The exact count varies by framework, but understanding the core types is what matters most for building an effective strategy.

What are the 4 types of keywords in SEO?

The 4 most fundamental keyword types in SEO are informational, navigational, commercial, and transactional, which are based on user search intent. Informational keywords target users seeking knowledge, navigational keywords target users looking for a specific site, commercial keywords reflect research before a purchase, and transactional keywords signal readiness to buy. Aligning your content to these intent types helps search engines match your pages to the right audience.

What are the different types of keywords in SEO?

Beyond the four intent-based types, keywords can also be classified by length (short-tail vs. long-tail), by audience targeting (branded vs. non-branded), and by geography (local or geo-targeted keywords). Each classification helps you understand how competitive a keyword is and what stage of the buyer journey it serves. A well-rounded SEO strategy typically uses a mix of several keyword types.

How do you organize a large keyword list into categories?

Group keywords by search intent first (informational, navigational, commercial, transactional), then by the pages they most plausibly belong to. Tools that cluster keywords semantically speed this up, because near-duplicate phrases collapse automatically instead of being split across several categories. Similar AI's Topic Sieve does this continuously on your target keywords so the New Pages Agent only builds pages for categories backed by real demand.

Ready to Target the Right Keywords for Your Store?

Similar AI identifies high-value keyword opportunities across all 27 types, so your e-commerce store captures the search demand that converts.