Glossary Term

    Barnacle SEO

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    Quick definition: Barnacle SEO is the strategy of ranking on high-authority third-party platforms (Zillow, Yelp, Google Business Profile) for keywords where your own site cannot yet compete.

    What it means

    Coined by Will Scott, barnacle SEO attaches your brand to large platforms that already rank for your target queries. Examples include optimising your Zillow profile, getting featured on Realtor.com, or claiming and enriching your Google Business Profile.

    The approach is especially powerful for new agents whose own domain lacks the authority to rank organically.

    Why it matters for real estate SEO

    For real estate agents, Zillow and Realtor.com profiles often outrank agent websites for "[name] real estate agent" queries. Optimising those profiles delivers leads while your own site builds long-term authority.

    Related guides

    Related terms

    Local Pack (Map Pack)
    The Local Pack is the block of 3 Google Business Profile listings shown above organic results for local queries.
    Parasite SEO
    Parasite SEO is publishing content on high-authority third-party platforms to rank for competitive keywords your own domain cannot yet reach, a legitimate short-term strategy when used with quality content.
    Domain Authority (DA)
    Domain Authority is Moz's 1-100 score predicting how well a website will rank in Google.
    Backlink
    A backlink is a link from another website pointing to yours, acting as a vote of confidence to Google.

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