How to Find Keyword Difficulty (And What the Score Actually Means)

Keyword difficulty scores are everywhere — but they're often misunderstood. A KD of 45 doesn't mean 'impossible', and a KD of 10 doesn't mean 'easy win'. The score tells you about the competition, not about your chances. Here's how to actually use difficulty scores to make better keyword decisions.

1

Pull keyword difficulty data from your tool

Enter your target keyword in the Keyword Explorer or equivalent. Every major SEO tool provides a difficulty score — usually on a 0-100 scale. Note that each tool calculates it differently, so compare scores within the same tool, not between tools.

Recommended: Mangools From $49/mo

KWFinder's difficulty score is colour-coded and includes a benchmark showing how many referring domains a top-ranking page typically has. This makes the score immediately actionable.

Budget alternative: Ubersuggest (from $29/mo)

2

Cross-reference the SERP manually

The most reliable way to assess difficulty is to look at the actual SERP. Are the top results from DA 70+ sites with thousands of backlinks? Or do you see forums, small blogs, or sites weaker than yours? The SERP always beats the score.

Recommended: LowFruits From $29.9/mo

LowFruits automates SERP weakness detection at scale — it scans thousands of SERPs and flags keywords where weak pages rank. It removes the manual SERP-checking bottleneck.

Budget alternative: Mangools (from $49/mo)

3

Compare your domain strength to what's ranking

Check your own Domain Rating or Domain Authority and compare it to the average DR of the top 10 results for your keyword. If the top 10 average DR is 60 and yours is 20, you'll need exceptional content and links to compete. If the average is 25 and yours is 20, you have a real shot.

Recommended: Ahrefs From $129/mo

Ahrefs' Keyword Overview shows the average DR of the top 10 ranking pages alongside each keyword's difficulty score. Moz's Keyword Explorer does the same with Domain Authority.

Budget alternative: Moz Pro (from $49/mo)

4

Use difficulty filters to build a winnable keyword list

Set difficulty thresholds based on your domain strength: DR 0-20: target KD 0-15. DR 20-40: target KD 0-25. DR 40-60: target KD 0-40. These are rough guidelines — always validate with the SERP. Build a filtered list and prioritise the highest volume opportunities within your range.

Recommended: Semrush From $139.95/mo

Semrush's Keyword Magic Tool lets you set exact KD ranges as filters — instantly narrowing thousands of keywords to only the ones that are realistic targets for your site right now.

Budget alternative: KeySearch (from $17/mo)