How Many Keywords Per Page Should You Target?

This guide answers how many keywords per page you should target, explains the difference between primary and secondary keywords, and gives you a quick test for deciding whether a keyword belongs on an existing page or needs its own. It is the same method I use when mapping keywords for client sites before any content is written.

Can one page rank for multiple keywords?

Yes, one page can rank for many keywords, often hundreds, when they all share the same intent. People phrase one question in many ways, such as “boiler repair cost”, “how much is a boiler repair” and “boiler fix price”, and one clear page can answer all of them.

Google’s SEO Starter Guide advises thinking about the words a user might search for to find your content, and says not to worry if you do not anticipate every variation of how someone might seek it. In other words, write clearly about the topic and let Google match the variations. You do not need a separate page for every wording.

When I open Search Console for a well written article, it is normal to see one page getting impressions for dozens of queries, many of which were never targeted directly. That is the result of covering one topic well, not of stuffing in more keywords.

What is the difference between primary and secondary keywords?

The primary keyword is the main search the page is built to answer; secondary keywords are close variations, subtopics and questions that support it. The primary keyword shapes the title, H1 and URL, while secondary keywords shape the sections.

Here is how the two work on a single page:

• Primary keyword: appears in the title tag, the H1, the URL slug where it fits, and early in the introduction.
• Secondary keywords: appear in H2 headings, in answers to related questions, in image alt text where accurate, and in internal link anchors from other pages.
• Related terms: words that naturally appear when you explain the topic well, such as “engineer”, “call out fee” and “parts” on a boiler repair page. You rarely need to plan these.

Google warns in its SEO Starter Guide that excessively repeating the same words, even in variations, is tiring for users, and its spam policies treat keyword stuffing as a violation. Covering secondary keywords is about answering more of the reader’s questions, not repeating phrases. To check that a draft has not drifted into repetition, paste it into my word counter and keyword density checker.

How many keywords should a blog post have?

A blog post should have one primary keyword and as many secondary keywords as it can answer naturally, which in my experience is usually 3 to 10 for a typical article. There is no fixed number, and Google does not publish one.

Google’s guide to creating helpful, people-first content asks whether content is created primarily for people or to manipulate search rankings. A blog post that tries to target 30 unrelated keywords usually fails that test, because the reader cannot tell what it is about.

Length changes the picture a little. A short news style post usually covers one narrow question, so it may only have two or three secondaries. A long guide on a broad topic can cover more, because each H2 answers a related question. Even then, every section should serve the same reader. If a long guide starts covering topics that belong to a different audience, it is time to split it into a main guide plus supporting articles that link to it, which also gives you more pages to link to your service pages.

The deciding question for each candidate keyword is simple: would the same reader, in the same visit, want this answered too? If yes, add it as a section or a sentence. If it needs a different reader or a different answer, save it for another page.

When does a keyword need its own page?

A keyword needs its own page when the search results for it show different types of pages, or when answering it properly would change the main focus of the existing page. This decision table is what I use during keyword mapping.

The first check is the most reliable. Search both keywords in a private window and compare the top results. If Google shows mostly the same pages for both, Google treats them as the same topic, and so should you. Splitting them into two pages would likely create keyword cannibalization.

How do I map keywords to pages step by step?

You map keywords by grouping them by intent first and then assigning one group to each page, with one primary keyword leading each group. These are the steps I follow:

1. Collect keywords from Search Console, a keyword tool and the “People also ask” box for your main topics.
2. Group by intent. Put keywords together when they would be satisfied by the same answer.
3. Pick a primary keyword for each group: usually the clearest phrase with the most searches.
4. Assign each group to one URL, either an existing page or a planned one. No group goes to two pages.
5. Turn secondary keywords into sections, often as question style H2 headings.
6. Record it in a sheet with URL, primary keyword, secondaries and intent, so new content does not overlap.

This mapping step is where most on-page projects succeed or fail, and it is the first thing I do in my on-page SEO service.

What does a keyword map for one page look like?

If you would rather have this done for you across a whole site, keyword mapping is included in my SEO services. For a self review, the free SEO audit checklist covers titles, headings and content checks that follow from a good keyword map.

Frequently asked questions