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Contents

Overview

Many high-traffic category pages were ranking with no introductory copy. This test measured what a large retailer gained by adding unique, category-specific content above the product grid..

 

The Challenge

An enterprise hardware and tools retailer had a gap hiding in plain sight: many of its highest-traffic product listing pages (PLPs) opened straight into a grid of products, with no descriptive copy at the top. The page ranked, but it told a search engine almost nothing about the category beyond its heading and the products themselves.

Instead of optimizing the products, the titles, or the metadata, the team tested something simpler first: maybe these pages were missing the one thing that tells Google, and a shopper, what the category is actually about.

 

Hypothesis

STP - 4 - Hypothesis

The team hypothesized that descriptive, category-specific content gives a search engine relevant text to understand and rank the page for category-level queries, and gives users orientation the moment they land.

They also wanted to test whether thin or templatized copy that reads as boilerplate was discounted by Google discounts, and whether pushing the product grid further down the page would risk the user experience it was meant to help.

The Test

The team used seoClarity's SEO Split Tester to split 70 category pages into a test group and a correlated control group, validated as comparable before launch.

Net-new, category-specific copy was added above the product grid on the test pages. The control pages were left untouched.

The test ran for seven weeks, with organic clicks as the primary metric and impressions as the secondary metric.

Results

  • Verdict: Positive lift, significant at 99.8% confidence

  • Test group: +730 organic clicks vs. the model's predicted performance

 

STP - 4 - Image 1 (PLP Page Copy)

 

The model forecasts how the test pages would have performed over those seven weeks without the new content, using the correlated control group as its baseline, then measures how far actual performance diverged from that forecast. The number of additional clicks is already the incremental gain: roughly 730 clicks the test pages earned that they would not have earned otherwise.

Key Insights

Descriptive copy above the fold does two jobs at once for this brand: it gives a search engine category-level text to understand and rank the page, and it orients the shopper before they scroll.

The important qualifier is specificity. The lift comes from content written for each category, not duplicated or strictly templatized across pages. Boilerplate spun up at scale tends to be discounted, so the win is in the uniqueness as much as the presence of the copy.

The team used ClarityAutomate to create that unique content for these pages at scale.

> > > Next Steps and How to Scale

Roll the change out to the remaining category pages that still lack top-of-page copy. To scale it, use ClarityAutomate to publish each piece of content live at the edge as soon as it is written, without waiting on a development cycle.

How This Test Was Run

  • This was a controlled split test with comparable pages were held back as a control, so the lift can be trusted as the effect of the change that was made.

  • It ran on seoClarity's SEO Split Tester with minimal setup and no extra tooling, proving the win before any sitewide rollout. 

Start Your Own PLP Content Test

PLP content is one lever worth proving to make incremental changes. The same split-testing approach works for schema, internal linking, or template changes you would rather test than assume.

Want to run a version of this test? See how seoClarity can help.

 

Start SEO Split Testing Today

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