Definition
Thin content is a page that offers little or no value to a user relative to what they were looking for — very short, superficial, auto-generated, scraped, or a near-duplicate of many other pages, with the primary purpose of capturing search traffic rather than answering a need. Search engines actively demote thin content and, at scale, can suppress a whole domain whose page inventory is dominated by it.
Thinness is relative to intent and to competitors. A 200-word page can be sufficient for a simple definitional query and thin for a query where the ranking pages all provide detailed comparison, testing and context.
The test is whether the page is a satisfying, non-redundant answer to its query, not whether it hits a word count.
In context
iGaming affiliate sites are especially prone to thin content because the natural way to scale — one page per operator, per bonus, per market, per game — invites templated pages that differ only by a few variable values. A review that just states the licence, the bonus figure and a generic paragraph, repeated across 500 brands, is a thin-content cluster.
So is a set of "[operator] promo code" pages that each show a code and a button, or auto-generated "[game] slot review" pages built from a data feed with no original assessment.
The fix is consolidation and depth, not deletion for its own sake. Merge the thin cluster into a smaller number of pages that genuinely cover their topic — a real review with tested payout times, licence verification, honest pros and cons, screenshots, and a clear rating methodology — and redirect the removed URLs.
The remaining pages clear the quality bar, the domain's average quality signal improves, and indexed coverage of the surviving pages often rises because the search engine is no longer wading through noise. The trap to avoid is padding thin pages with filler to hit a length target, which produces long thin content rather than substance.
Worked example
An affiliate has 900 "[operator] bonus code" pages, each 120 words plus a code. Search treats them as a thin cluster and the section barely ranks.
The affiliate merges them into 180 full operator reviews that include the code in context, redirects the rest, and the review section's traffic triples over three months.
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