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Keyword Difficulty Explained: How to Check & Use It for SEO


What Is Keyword Difficulty & How to Find It (2026 Guide)

Keyword difficulty helps you understand how hard it is to rank for a keyword on Google. Many bloggers fail because they choose keywords that are too competitive for their website.

In this beginner-friendly guide, you’ll learn what keyword difficulty is, how to check it using free and paid tools, and how to choose low-difficulty keywords that can help your blog rank faster.

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What Is Keyword Difficulty?


Keyword Difficulty (KD) is a metric used by SEO tools to estimate how hard it is to rank on Google for a specific keyword.


Higher KD = tough competition

Lower KD = easier to rank


Different SEO tools calculate KD differently, but they all consider factors like:


Strength of top 10 ranking websites


Number of backlinks


Domain Authority


Content quality and relevance


Search intent

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Why Keyword Difficulty Matters for SEO


Choosing the wrong keywords is the #1 reason blogs fail.


✔ Low KD keywords = quick traffic


These keywords have fewer competitors, meaning even new websites can rank.


✔ Saves time and effort


You don't need thousands of backlinks or a high Domain Authority.


✔ Helps you grow consistently


Low competition keywords help your site slowly gain trust and authority.

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How to Find Keyword Difficulty (Step-by-Step)


1. Ahrefs KD


Scale: 0–100


Based mostly on backlinks needed to rank


KD 0–10 = very easy


KD 11–30 = easy


KD 31–50 = medium


KD 50+ = very difficult


2. SEMrush KD


Based on SERP analysis + authority + backlinks


Typically more strict


KD below 30 is ideal for beginners


3. Ubersuggest KD


KD under 35 = easy


Over 60 = competitive


4. Google Keyword Planner


Doesn’t show KD


Uses competition levels for advertisers, not bloggers

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How to Interpret Keyword Difficulty Scores

If you are running a new blog:


👉 KD 0–20 = Best

👉 KD 21–30 = Good

👉 KD 31+ = Avoid (for now)


Focus on keywords where:


Competitors have weak content


Low authority websites are ranking


SERP is not dominated by giant sites (Wikipedia, HubSpot, Forbes, etc.)

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How to Choose Keywords Based on Difficulty


Here are the most effective methods:

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1. Use Google Auto-Suggest (Free)


Type your main keyword and see what Google suggests automatically.


Example:

“SEO tools” → “best SEO tools for beginners free”


These are real search queries with low competition.

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2. Use Google People Also Ask (PAA)


Questions inside PAA boxes are often easy to rank.


Example:


What is keyword difficulty in SEO?


How do you check keyword difficulty?


What is a good keyword difficulty score?


Turn each question into an article.

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3. Use Ahrefs Free Keyword Generator


Search your niche → select KD filter 0–10.


Instant list of low-competition keywords.

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4. Analyze Competitors With Low DA


If a website with DA below 20 is ranking on Page 1, this means:


👉 You can rank too!


Use tools like:


MozBar


Ahrefs


SEOquake

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5. Find “Long-Tail Keywords”


Long tail = 4–7 word phrases

Example:


best seo tools for new bloggers


how to do seo without backlinks


easy ways to rank my blog fast


These have low KD and are beginner-friendly.

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Pro Tips to Rank Faster Using Low KD Keywords


✔ Tip 1: Keyword Difficulty vs Search Intent


Users want:


info? → write a guide


comparison? → write vs articles


buying? → write product pages


✔ Tip 2: Use the Keyword in Strategic Places


Title


URL


First paragraph


Headings


Meta description


Image alt-text


✔ Tip 3: Add 5–10 supporting keywords


Use LSI keywords like:


keyword analysis


low competition keyword research


find easy ranking keywords

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Conclusion


Keyword difficulty is one of the most important factors in SEO success.

If you choose low KD keywords, even a new website like yours can start ranking within weeks. The key is:


Find long-tail keywords


Check SERP strength


Look for low DA competitors


Match search intent


Write high-quality content

This simple strategy can 5× your chances of ranking and growing organic traffic.

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