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- Google Mobile Sites Exam – All Q&As
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When referring to the critical rendering path in site performance, a critical resource is:
- any resource that returns 404
- a resource that could block initial display of the page
- any resource that must be loaded
- a resource that takes more than 500ms to load
Correct answer is:
- a resource that could block initial display of the page
Explanation: A critical resource is a resource that could block initial rendering of the page. The fewer of these resources, the less work for the browser, the CPU, and other resources.
Read more here: https://support.google.com/partners/answer/7336426[1234]