Digital shelf and marketplaces
Share of shelf
Also called: Share of digital shelf
The share of product listings or top positions a brand holds in a defined set of search results or category pages.
In practice
Measure it on defined keywords and positions, such as share of the first 24 results.
Define the shelf before measuring it
Online share of shelf is meaningful only within a specified observation set. Define the retailer, category or search query, location, device context, time and number of positions inspected. Decide whether sponsored results, repeated products and marketplace sellers are included. These choices determine the denominator and should stay consistent between reporting periods.
Example: counting visible positions
Suppose a brand occupies 8 of the first 40 eligible search-result positions. Its position-based share is 20% for that observation. If three positions are duplicate listings, a unique-product measure may produce a different result. Neither method is automatically wrong, but the two should not be mixed. Store the underlying positions so the headline percentage can be checked.
How to interpret a change
A higher share may reflect more products listed, improved ranking or a competitor disappearing from the results. Break out sponsored and organic visibility if the distinction matters to the decision. Share of shelf is not market share, sales share or proof that shoppers saw every listing. Combine it with availability, product relevance and other commercial evidence before attributing a sales change to search visibility.
Import.io captures listings, search rank, content, reviews and every marketplace seller for digital shelf and brand protection programs.
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