Pointer down may be the start of scrolling, which is not tracked. The PerformanceEventTiming interface provides timing information about the latency of the first discrete user interaction, specifically one of key down, mouse down, click, or the combination of pointer down and pointer up. You're probably asking questions like what does the new metric track? When is the metric reported? How do I improve it if it's slow? For answers to these and other questions, see ' Largest Contentful Paint' on web.dev. Largest Contentful Paint attempts to provide more meaningful data by using the largest content element as a proxy for when the main content of the page is likely visible to users. At the time of the first contentful paint, there's no content on screen that a user can interact with. Consider the example below, taken from a DevTools performance audit.

Some metrics are only measurable in a lab, while others tell nothing about content that users care about. The usefulness of existing metrics varies. It has not always been easy for developers to measure how quickly the main content of a web page loads and is visible to users. De belangrijkste veranderingen die in versie 77 zijn aangebracht, naast de gebruikelijke bug- en security fixes, zijn hieronder voor je op een rijtje gezet. Er zijn ook versies voor Android en iOS, maar die volgen een iets ander releaseschema. Google Chrome is beschikbaar voor Windows, Linux en macOS. Google heeft versie 77 van zijn webbrowser Chrome uitgebracht.

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