Glossary Term

    LSI Keywords

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    Quick definition: LSI (Latent Semantic Indexing) keywords are terms semantically related to your target keyword, with natural use throughout content signalling topical depth to Google beyond exact-match keyword repetition.

    What it means

    Although the term "LSI" is technically inaccurate (Google does not literally use Latent Semantic Indexing), the concept of semantic co-occurrence is real. Modern Google uses neural matching and BERT to evaluate whether content covers a topic comprehensively.

    In practice, "LSI keywords" means using the natural vocabulary an expert would use when writing on the subject.

    Why it matters for real estate SEO

    Real estate content that mentions only "homes for sale" looks thin compared to content that naturally covers MLS, escrow, mortgage pre-approval, school catchments, and neighbourhood amenities. Broader vocabulary signals expertise.

    Related guides

    Related terms

    Topical Authority
    Topical authority is how comprehensively your site covers a subject area in Google's eyes.
    Search Intent
    Search intent is the underlying reason behind a query: informational, navigational, commercial, or transactional.
    TF-IDF
    TF-IDF (Term Frequency-Inverse Document Frequency) measures how important a word is to a document relative to a collection of documents, used by Google to assess whether content covers a topic with appropriate depth and terminology.
    Backlink
    A backlink is a link from another website pointing to yours, acting as a vote of confidence to Google.

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