Amirali YaghoutiSenior Software Engineer

WooCommerce archive UX Case study

MU Archive Pagination Stability

I updated a private MU-plugin so WooCommerce archive browsing stays predictable. The infinite-scroll JavaScript now lives in its own cacheable file, the archive stops at the real pagination boundary, and product ordering is deterministic across paged archives.

The business problem

An archive page can look fast and still fall apart at the page boundary. Shoppers see the same product twice, the loader spins forever, pagination probes come back 404, or a heavy inline script loads on every view. Any of those makes browsing worse and puts needless pressure on the server.

What I delivered

  • I moved the large infinite-scroll runtime out of inline footer output and into a cacheable MU asset.
  • I added hard-finish behavior, so the archive stops cleanly once it reaches the real maximum page.
  • I added deterministic archive ordering as a final tie-breaker, which keeps the same product from appearing on two paged catalog results.

Technical approach

  • I kept the public write-up at the architecture level and left out selectors, URLs and catalog-specific rules.
  • I split asset delivery from runtime configuration, so the browser can cache the heavy script safely.
  • I treated pagination as a stability problem rather than a frontend animation problem.

Result and evidence

Archive browsing holds together at the boundaries now, and the production selectors, pagination URL rules, catalog details and implementation source all stay private.

Commercial value

Stable archive browsing protects product discovery. It also cuts the support traffic about missing or duplicated catalog items, and it keeps the performance work tied to what a buyer actually experiences.

Delivery notes

I had to protect the high-traffic catalog path, so I kept every change small and reversible. They improve frontend behavior and database ordering, and they leave the site design alone.

  • The archive UI is unchanged.
  • Pagination boundaries behave predictably in production.
  • The public proof stays sanitized and easy for a reviewer to read.
implementation-brief.readme

Readable implementation brief

implementation_brief {
  project: "MU Archive Pagination Stability"
  context: "WooCommerce catalog browsing"
  delivered: "cacheable JS asset, hard pagination stop, stable ordering"
  private: "selectors, URLs, catalog rules, production source"
  value: "more predictable product discovery"
}

What this project shows

This is production frontend engineering inside a real commerce platform. I delivered the performance work, the pagination correctness and a public write-up that gives nothing away, all in the same change.