Does Nelio A/B Testing Use Redirections?

Yes. However, how Nelio A/B Testing loads alternative content depends on the type of test you’re running and the configuration you’ve chosen.

By default, for test types that require loading alternative content, Nelio A/B Testing uses a redirect-based approach. For example, if you’re testing https://example.com/tested-page/ and a visitor should see variant B, Nelio A/B Testing may redirect them to https://example.com/tested-page/?nab=1, where nab=1 identifies the variant to load.

Why Redirections?

Using query arguments is a reliable approach across the wide variety of WordPress setups and caching systems available.

The query argument allows WordPress and caching systems to distinguish between variants and serve the appropriate content to each visitor.

Nelio A/B Testing also supports a cookie-based approach with dynamic caching. This method avoids the redirection but requires a compatible caching setup and additional configuration. See How Nelio A/B Testing Works With Cache Plugins and CDNs for more information.

Which Tests Don’t Use Redirections?

CSS & Text tests and JavaScript tests don’t rely on redirections. Their variants are included directly on the page, and Nelio A/B Testing applies the appropriate changes dynamically when the page loads.

CSS & Text tests and JavaScript tests don’t rely on redirections. Their variants are included directly on the page, and Nelio A/B Testing applies the appropriate changes dynamically when the page loads.