03 / 07

What browsers does Cypress support?

Difficulty: 4/10
browser support, cross-browser testing, Cypress limitations
Chromium-based Browsers and Firefox are supported
  1. 1

    Google Chrome

  2. 2

    Microsoft Edge (Chromium version)

  3. 3

    Brave

  4. 4

    Electron (bundled with Cypress by default)

  5. 5

    Firefox (Stable, Developer Edition, Nightly)

Partial/Experimental Support
  1. 1

    WebKit / Safari – Not officially supported: Safari is not currently supported because Cypress relies on the Chrome DevTools Protocol (CDP), which WebKit doesn’t use.

  2. 2

    Internet Explorer – Not supported

Scenario Questions

0-2 years experience

  1. 1If you need to run a Cypress test on Chrome and Firefox, how would you configure the test runner?
  2. 2What happens when you try to execute a Cypress test on Safari today, and why?

2-5 years experience

  1. 1You added a test that passes locally on Chrome but fails on Edge in CI. Walk me through how you'd debug the browser compatibility issue.
  2. 2Explain the trade‑offs of using Cypress's built‑in Electron versus real browsers for a cross‑browser test suite.

5-8 years experience

  1. 1Our product must support Chrome, Firefox, Edge, and Safari on desktop and mobile. How would you design a Cypress testing strategy given its current browser support limitations?
  2. 2If Cypress releases experimental support for a new browser, what factors would you evaluate before adopting it in a large, flaky‑prone test suite?

8+ years experience

  1. 1We are planning a migration from Selenium to Cypress across multiple teams, but we still need to support legacy browsers like Safari 10. How would you architect the migration while handling Cypress's browser support gaps?
  2. 2At an organization‑wide level, how would you set policies for browser coverage in Cypress tests to balance test reliability, maintenance cost, and coverage of user‑facing browsers?

Follow-up Questions

  • How would you verify that a test behaves the same across the supported browsers?
  • What CI configuration changes are needed to run Cypress on multiple browsers?
  • Can you describe a situation where Cypress's browser support might block a testing requirement?
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