How Many Keywords for SEO? (Spoiler: The Real Answer Isn’t a Number)

I remember my early days in SEO content writing, huddled over a spreadsheet, meticulously calculating something called “keyword density.”

The prevailing wisdom at the time was that if you wanted to rank on Google, you had to hit a magic number… A perfect percentage of keyword mentions in your text. It was a game of numbers, a formula to be solved. 

If a blog post was 1,000 words long and the ideal density was 2%, you’d better believe I was going to make sure my target keyword appeared exactly 20 times!

It was tedious, unnatural, and it produced some truly awful content. The articles were written for robots, not humans. They were clunky, repetitive, and frankly, a chore to read.

Thankfully, the world of SEO has evolved, but, would you believe it, the question I get now is still the same, how many keywords for seo should I use?

My answer is completely different. If you’re still chasing a magic number, you’re playing a game that ended years ago. The real answer is far more nuanced, strategic, and ultimately, more human.

So, let’s put the calculator away and talk about what really matters when it comes to keyword strategy in modern SEO.

From Keyword Density to Topical Relevance

The reason the old method of counting keywords died is simple: Google got smarter. Much smarter. It no longer just matches the exact words in a search query to the exact words on a page. Instead, it understands context, synonyms, and the overall topic of a piece of content.

This is the concept of topical relevance, or topical authority. Instead of asking, “Does this page mention ‘dog training tips’ 20 times?” Google now asks, “Is this page a comprehensive, authoritative resource about how to train a dog?”

This is a fundamental shift. It means our job as content creators is no longer to stuff a specific phrase into our text as many times as possible. Our job is to cover a topic so thoroughly and so well that Google has no doubt we are an expert on the subject. The question of, “How many keywords should I use for SEO” has been replaced by a much better question: “How well have I covered this topic?”

When you focus on covering a topic comprehensively, you’ll naturally use your target keyword and a whole family of related terms and phrases. The quantity takes care of itself.

One Primary Keyword, Many Supporting Keywords

If we’re not counting, how should we approach keywords? The modern, effective strategy is to focus on a hierarchy of keywords for each piece of content.

The Primary Keyword (Just One)

Every single blog post or page on your website should have one (and only one) primary keyword. 

This is the main phrase you want the page to rank for. It should be the most relevant and have a solid search volume. 

All your writing and SEO optimization efforts for that page will be anchored to this single phrase. Trying to target multiple primary keywords on a single page is like trying to steer two ships at once; you’ll end up going nowhere.

Secondary Keywords (A Handful)

These are variations of your primary keyword or closely related subtopics. 

If your primary keyword is “how to write a business plan,” your secondary keywords might be “business plan template,” “simple business plan format,” or “what to include in a business plan.” You should aim to include a handful of these naturally throughout your content. They help Google understand the breadth of your topic.

If you’re asking, “How long is keyword research going to take?” then this should help – for an individual blog that has a single primary and a few secondary, not long at all.

Long-Tail Keywords (As Many as Feel Natural)

These are longer, more conversational phrases that your audience might use when they’re closer to making a decision or looking for a very specific answer. 

For our business plan example, a long-tail keyword could be “how to write a business plan for a coffee shop” or “business plan financial projections example.” You don’t need to force these in. As you write a comprehensive article, you will naturally answer these specific questions.

So, when people ask how many keywords to use for seo, the answer is one primary keyword, a few secondary keywords, and as many long-tail variations as it takes to create a truly helpful piece of content.

What About Meta Keywords?

I often get asked, “How many meta keywords for SEO should I use?” The answer here is simple and definitive: zero.

The meta keywords tag is a relic from the ancient history of the internet. It’s a field in your website’s code where people used to list all the keywords they wanted to rank for. Because it was so heavily abused and spammed in the early 2000s, Google announced way back in 2009 that they completely ignore the meta keywords tag. It has absolutely no impact on your rankings.

Filling it out is, at best, a waste of time. At worst, it’s a way to show your competitors exactly what keywords you’re targeting. So, you can safely ignore it forever.

So, What’s the Real Answer?!

So, let’s circle back to the original question: How many keywords for SEO? The practical, non-technical answer is to stop counting altogether, much like the answer to,”‘How long should a blog post be”.

Instead, focus on these principles:

• Write for Humans First: Write your article as if you were explaining the topic to a friend. Use natural language. If it sounds robotic or repetitive when you read it out loud, you’ve overdone it.
• Mention Your Primary Keyword Where It Counts: Make sure your primary keyword appears in a few key places: your page title (H1), your SEO title, your meta description, the first 100 words of your article, and in at least one or two subheadings (H2s). After that, let it appear naturally.
• Embrace Synonyms and Variations: Don’t feel like you have to use the exact same phrase over and over. Google understands that “how to start a business” and “launching a new company” mean the same thing. Using variations makes your writing more engaging and signals a deeper understanding of the topic.

Ultimately, the goal is to create the best possible resource on the internet for your chosen topic. If you do that, the keywords will fall into place naturally.

Stop Counting and Start Creating

If you’re tired of the SEO numbers game and want to create content that resonates with both humans and search engines, I can help. Let’s build a content strategy that focuses on what really matters: creating value and making you money. Book a consultation.

Frequently Asked Questions