The First Step To Optimize The Critical Rendering Path Is To:
- minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on
- optimize the order in which the remaining critical resources are loaded: download all critical assets as early as possible to shorten the critical path length
- analyze and characterize your critical path: number of resources, bytes, length
- optimize the number of critical bytes to reduce the download time (number of roundtrips)
The correct answer is:
- analyze and characterize your critical path: number of resources, bytes, length
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Sources: Google Mobile Sites Certification Course
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