Playwright · Middle · Question 21 of 75

What is `routeFromHAR` used for?

1Serving recorded network traffic to the page
2Measuring page load speed from a HAR file
3Converting tests into HAR files for browsers

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Correct answer: Serving recorded network traffic to the page

Explanation

A HAR file records requests and responses. Replaying it gives stable, offline tests; update: true re-records it.

Further reading

Playwright: Mock APIs ↗

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