Choosing the right keyword is one of the most important steps in writing a successful blog post. Many bloggers make the mistake of focusing only on search volume. A keyword may receive thousands of searches every month, but if the competition is extremely strong, a new or small website may struggle to rank for it.
This is why keyword difficulty matters.
Keyword difficulty helps you estimate how challenging it may be to rank on the first page of search results for a particular keyword. By analyzing difficulty before writing, you can choose topics that offer a better balance between search demand, competition, and your website's ability to compete.
If you are new to SEO, it is also helpful to understand how keyword research works before choosing your target keywords.
What Is Keyword Difficulty?
Keyword difficulty, often abbreviated as KD, is a metric used by SEO tools to estimate how difficult it may be to rank for a keyword.
Different SEO platforms calculate keyword difficulty in different ways. They may analyze factors such as the number and quality of backlinks pointing to competing pages, the authority of ranking websites, and the strength of the current search results.
Popular tools such as Ahrefs and Semrush provide keyword research and competition analysis features that can help you evaluate potential topics.
However, keyword difficulty is only an estimate. It should not be treated as an absolute ranking score.
For example, a keyword with a KD score of 20 may look easy in one SEO tool but difficult in another. More importantly, a low score does not guarantee rankings, while a high score does not mean ranking is impossible.
The goal is to use keyword difficulty as one part of your decision-making process.
Start With Your Website's Strength
Before analyzing a keyword, consider your own website.
A brand-new blog with very few backlinks and little search visibility will usually have a harder time competing with established websites. An older website with strong topical authority and quality backlinks may be able to target more competitive keywords.
Ask yourself:
How established is my website?
Do I already rank for related keywords?
How many quality backlinks does my site have?
Do I have expertise or authority in this topic?
Have I published other useful content in this niche?
Your answers can help you determine what level of keyword competition is realistic.
A new blog will often benefit from targeting specific, low-competition keywords first and gradually moving toward more competitive terms.
For more ideas, check out our guide on how to find low-competition keywords for new blog posts.
Check the Keyword Difficulty Score
Most keyword research tools provide a keyword difficulty score. The exact scale varies, but it is generally designed to give you a quick idea of competition.
For example, a tool might classify keywords as easy, moderate, difficult, or very difficult.
If you are building a new blog, keywords with lower difficulty can be attractive because they may require fewer resources to compete for. However, do not automatically choose the keyword with the lowest score.
A keyword with very low difficulty and almost no search demand may bring little value.
Instead, look for a reasonable combination of:
Search demand + relevance + manageable competition + search intent.
This combination is much more useful than keyword difficulty alone.
You can also use Google Keyword Planner to discover keyword ideas and understand potential search demand.
Analyze the Current Search Results
One of the most important steps is to manually search for your keyword.
Open Google and examine the pages currently ranking on the first page.
Look at:
The type of websites ranking
The quality of their content
The depth of their articles
Their overall website strength
The number and quality of backlinks
How closely their content matches the search intent
How recently the pages were updated
This gives you information that a keyword difficulty score cannot provide.
Suppose the first page contains major publications, government websites, well-known brands, and highly authoritative websites. That may indicate strong competition.
On the other hand, if you see smaller blogs, outdated articles, forums, or pages that do not fully answer the searcher's question, there may be an opportunity.
For additional guidance on how search engines evaluate content, visit Google Search Central.
Study Search Intent
Search intent is another critical factor when evaluating keyword difficulty.
Search intent refers to what a person actually wants when they enter a query into a search engine.
For example, someone searching for “best running shoes for beginners” is probably looking for recommendations. Someone searching for “how to clean running shoes” wants instructions.
Your article needs to match that intent.
Even if a keyword has a relatively low difficulty score, ranking may be difficult if your content does not satisfy the intent behind the query.
Before writing, examine the top-ranking pages and ask:
What does Google believe users want to see?
If most results are detailed guides, creating a short promotional article probably will not compete effectively.
You can learn more about creating search-friendly content through Google's SEO Starter Guide.
Look at Competitor Content Quality
Do not just count how many competitors exist. Evaluate how good they are.
Read several top-ranking articles and identify weaknesses.
Are they outdated?
Are they missing important information?
Are their explanations too short?
Do they fail to answer common questions?
Is their formatting difficult to follow?
Finding these gaps can reveal an opportunity.
Your goal should not be to create a longer article simply because competitors have 2,000 words. Instead, create a more useful resource that answers the reader's questions clearly and efficiently.
Quality, relevance, originality, and usefulness matter more than word count alone.
Consider Long-Tail Keywords
Long-tail keywords are often easier to target than broad keywords because they are more specific.
For example, “keyword research” is broad and highly competitive. A phrase such as “how to find low competition keywords for a new food blog” is much more specific.
Long-tail keywords may have lower search volume, but they can attract highly relevant visitors.
They can also help new websites build topical authority. By publishing useful content around closely related specific queries, your site can gradually establish relevance in a broader subject area.
If you're building a new content strategy, our guide to finding long-tail keywords that drive targeted traffic can help you identify more specific opportunities.
Don't Ignore Business Value
Traffic is not the only goal of SEO.
A keyword with 500 monthly searches may be more valuable than one with 5,000 searches if the smaller keyword attracts people who are much more likely to become customers, subscribers, or leads.
Before choosing a keyword, ask:
Will the people searching for this term benefit from what my website offers?
A keyword should be relevant to your audience and connected to your broader content strategy.
You can also learn how to turn keyword research into a complete strategy with our beginner's guide to SEO content planning.
Create a Simple Keyword Difficulty Checklist
Before committing to a topic, evaluate the keyword using a simple checklist:
1. Is the keyword relevant to my niche?
If the topic does not fit your website, ranking for it may not produce meaningful results.
2. Is there enough search demand?
Avoid choosing keywords solely because they are easy. Make sure there is a reasonable audience.
3. Is the competition realistic?
Review the difficulty score and, more importantly, examine the actual search results.
4. Can I create something better or more useful?
If you cannot provide additional value, the keyword may not be worth targeting.
5. Does the search intent match my planned article?
Make sure your content format and angle match what searchers expect.
6. Does the keyword support my overall content strategy?
The best keywords should contribute to a larger group of related topics.
Keyword Difficulty Is a Starting Point, Not a Guarantee
Keyword difficulty is useful, but it should never be the only factor you consider before writing a blog post.
SEO tools provide estimates. Search results provide real-world evidence.
The best approach is to combine both.
Start by checking the keyword difficulty score, then analyze your website's strength, examine the top-ranking pages, study search intent, evaluate competitor content, and identify opportunities where you can provide something genuinely better.
For a new blog, targeting realistic keywords can be especially important. Instead of competing immediately for broad, high-volume terms, focus on specific topics where you can demonstrate expertise and provide genuine value.
Over time, successful rankings can help your website build authority, attract backlinks, and gain more visibility. This can make it easier to compete for increasingly difficult keywords.
Ultimately, the right keyword is not simply the one with the lowest difficulty score. It is the keyword where your website has a realistic opportunity to compete and your content can genuinely satisfy the searcher's needs.
Analyze the competition before you write, choose your opportunities carefully, and let your keyword strategy guide your content—not the other way around.
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