A keyword is a word or phrase that a person types into a search engine, and that a website targets in its content to appear in results for that query. In SEO, a keyword also refers to the specific term you optimize a page around, such as a title tag, headings, and body copy built to match what searchers are looking for.
For a local business, keywords are the bridge between what customers search and what your site offers. A roofing company that ranks for “roof repair cost Tampa” gets calls from people ready to book, while one that only ranks for “roofing” competes with national directories and gets fewer qualified leads. Choosing the right keywords, and matching them to search intent, determines whether traffic converts.
Key takeaway
A keyword is not just a word you repeat on a page. It’s a signal of what the searcher wants, and your content has to satisfy that want, not just contain the phrase.
How keywords work in SEO
Keywords work by matching the words in your content, titles, and links to the queries people type into search engines, so Google can judge relevance and rank your page accordingly.
Google’s algorithms no longer rely on exact-phrase matching alone. They use language models to understand synonyms, related concepts, and the intent behind a query. This means a page about “emergency AC repair” can rank for “AC broke need help now” without that exact phrase appearing, as long as the content clearly answers the need.
Google does not use LSI keywords, a term that gets repeated across SEO blogs but has no basis in how Google’s systems actually work. Focus on covering a topic thoroughly rather than inserting supposed
