Keyword mapping means assigning each target keyword, or each group of closely related keywords, to one page on a website.
You build the map before anyone writes, so no two pages chase the same query. So the plain answer to what is keyword mapping is one search for one page, decided in advance.
In SEO, a keyword map is a spreadsheet or document that pairs every page URL with the primary keyword it targets and the secondary terms that support it. Each entry pairs the URL with its primary keyword. It also records the keyword's search intent and the page's status. Before a launch, it decides which pages will exist. On an older site, it shows which pages overlap and which searches have no page at all.
Each page gets one cluster, which is a primary keyword plus the variants that share its intent. "Keyword map" and "keyword mapping template" can sit on the same page, because someone who types either one wants the same thing. "Keyword research tool" belongs somewhere else, since that reader is shopping for software. Use Google's search results to group queries that return the same pages and separate those with different results.
Keyword mapping prevents cannibalization because it gives every query a single page, so your own pages don't compete for the same ranking. Without a map, two writers working months apart can publish near-identical guides. Google then has to pick one and swaps them back and forth in the results. Links and clicks are split between both. The map shows the overlap before anything is published. If you find a clash on an existing site, merge the weaker page into the stronger one and redirect it.
A keyword map assigns keywords to pages. A content map does that too, and also gives each page its page type and outline. It records where each page sits among the others as well. The keyword map tells you which page ranks for what. The content map adds what that page looks like and how it links to its neighbours. A small site can get by with a keyword map alone. Once you're planning dozens of pages, the extra columns stop writers from repeating structure as well as keywords.
To map AI prompts to pages, list the questions buyers type into ChatGPT and Google AI Overviews and assign each one to the page that answers it. Prompts run longer than keywords and are full questions, such as "how do I stop two pages ranking for the same term". Treat each prompt like a keyword and give it one owner page. Then answer it directly near the top of a section on that page, because an assistant can quote a passage more easily when its first sentence carries the answer. Check the map for prompts that no page answers yet.
Here's a small map for a project management software company. Each line pairs one URL with one primary keyword and its intent.
"Gantt chart software" and "what is a gantt chart" share words but have different intents, so they get separate pages. The first reader wants to buy a tool, and the second wants a definition. A single page for both serves neither reader well.
The terms below sit next to keyword mapping in most SEO workflows. Each one covers a different step of page planning.
Keyword clustering groups related queries before you map them. The clusters decide which keywords belong together, and the map decides which page gets each group. Map each cluster to a page after you group the queries.
Keyword cannibalization happens when two or more of your pages target the same query, and a map is how you avoid it. In Google Search Console, it shows up as one query with several of your URLs listed against it. A map fixes the problem for future pages, and a merge fixes it for old ones.
Search intent is the goal behind a query, whether the reader wants to learn something or buy something. Intent decides which keywords share a page. If you came here asking what is keyword mapping, sort your queries by intent and give each group one page.