What makes a category page rank, and what makes it thin

On a catalogue site, category pages usually carry more commercial search demand than either the homepage or any individual product. They are also, routinely, a heading followed by a grid of products and nothing else. That gap is the opportunity.

The grid is not content

A product grid is navigation. It tells a search engine almost nothing about what the category is, because the same grid with different products would look structurally identical.

This is why thin category pages lose to blog posts about the same subject. The blog post explains the category. The category page assumes you already know.

Put something above the grid and more below it

• Above: a short introduction, under about 160 words, that says what the category contains and who it is for. Long enough to be useful, short enough not to push products off the first screen.
• Below: the substantial content. Buying considerations, compatibility notes, how the subcategories differ, what to choose between.
• Both halves matter. Everything above the grid delays the products; everything below is ignored if the top says nothing.

Filters are a crawl problem before they are a UX problem

Every facet combination is a URL, and facets multiply. Four filters with five values each produce more URLs than most catalogues have products, nearly all of them near-duplicates.

Index the clean category URL. Let single facets be crawlable but not indexed. Block multi-facet combinations in robots.txt. This is dull work that prevents a specific and expensive failure.

Paginated pages canonical to themselves

Pointing page two at page one is a common instinct and it is wrong. It tells search engines the products on page two do not exist on a canonical page anywhere, and deep products quietly fall out of the index.

Page two canonicals to page two. It is a different page with different content, because it has different products on it.

Link sideways

Sibling categories should link to each other where a customer might reasonably move between them. This spreads authority and, more practically, catches the shopper who landed in approximately the right place.