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When you're building this type of app, it's useful to be able to quickly simulate a device that has no data connection.

There's a new class of web apps, called Progressive Web Apps, which can function offline with the help of service workers. To manually clear the browser cache at any time, right-click anywhere in the Requests table and select Clear browser cache. Check or uncheck the Disable cache checkbox.Click the icon to open the Network Conditions drawer.If you want to disable the cache while working in other DevTools panels, use the Network conditions drawer. # Disable the browser cache from the Network conditions drawer This more accurately emulates a first-time user's experience, because requests are served from the browser cache on repeat visits. To emulate how a first-time user experiences your site, check the Disable cache checkbox. # Change loading behavior # Emulate a first-time visitor by disabling the browser cache Right-click the request and select Replay XHR.To replay an XHR request, do one of the following in the Requests table: Double-click a thumbnail to zoom in on it.Click a screenshot's thumbnail to filter out any requests that occurred after the screenshot was captured.A yellow line appears on the Overview pane. Hover over a screenshot to view the point at which that screenshot was captured.Once captured, you can interact with screenshots in the following ways: Reload the page while the Network panel is in focus to capture screenshots. To enable screenshots, open Settings inside the Network panel and check Capture screenshots. DevTools saves all requests until you disable Preserve log.Ĭapture screenshots to analyze what users see as they wait for your page to load. To save requests across page loads, check the Preserve log checkbox on the Network panel. Press Command> + E (Mac) or Control + E (Windows, Linux) while the Network panel is in focus.Ĭlick Clear on the Network panel to clear all requests from the Requests table.It turns grey to indicate that DevTools is no longer recording requests. Click Stop recording network log on the Network panel.# Record network requestsīy default, DevTools records all network requests in the Network panel, so long as DevTools is open. Discover new ways to analyze how your page loads in this comprehensive reference of Chrome DevTools network analysis features.

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