How to test modals/popups using Lighthouse with Playwright in C# when URL does not change?

[Ripal-chauhan]

I’m currently using Lighthouse with Playwright and C# to automate accessibility testing. I’m successfully generating JSON and HTML reports, and extracting accessibility scores by passing URLs to Lighthouse using the CLI.

However, I’ve run into a limitation when testing modal dialogs or popups. These modals open dynamically within the same page — meaning the URL doesn’t change, and Lighthouse only audits the base URL, not the dynamically rendered modal content.

❓ Is there a recommended way to handle modal or popup testing in this scenario using Lighthouse?

Thanks in advance!

[Ripal-chauhan]

I also explored axe-core, and while it looks promising for identifying accessibility violations, my current requirement involves generating an accessibility score like Lighthouse provides.

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