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![]() Change and replay any of the network requests, and make detailed network API calls. Use the Network Console tool to make changes to network requests (network calls) to see why they fail. Use the Network conditions tool to disable the browser cache, set network throttling, set the user agent string, and set Content-Encodings such as deflate, gzip, and br. Inspect the properties of an individual resource, such as the HTTP headers, content, or size. Use the Network tool to make sure that resources are being downloaded or uploaded as expected. Inspect a JavaScript ArrayBuffer with the Memory Inspector tool Inspect JavaScript ArrayBuffer with the Memory Inspector. Use this tool to view information and debug the media players per browser tab.įind memory issues that affect page performance, including memory leaks, memory bloat, and frequent garbage collections. Use the Lighthouse tool to identify and fix common problems that affect your site's performance, accessibility, and user experience. This tool has been replaced by the Performance tool and the Memory tool. The Issues tool automatically analyzes the current webpage, reports issues grouped by type, and provides documentation to help explain and resolve the issues.įind and fix problems using the Issues tool When the Inspect tool is active, you hover over items in the webpage, and DevTools adds an information overlay and grid highlighting on the webpage. Use the Inspect tool to see information about an item within a rendered webpage. Inspect, edit, and debug HTML and CSS with the Elements tool Debug your HTML using the DOM tree, and inspect and work on the CSS for your webpage. You can edit in the tool while displaying the changes live in the browser. Inspect, edit, and debug your HTML and CSS. Use the Device Emulation tool, also called Device Simulation Mode or Device Mode, to approximate how your page looks and responds on a mobile device.Įmulate mobile devices (Device Emulation) By changing your JavaScript to release the element, you reduce the number of detached elements on your page, increasing page performance and responsiveness.ĭebug DOM memory leaks with the Detached Elements tool To increase the performance of your page, this tool finds detached elements that the browser cannot garbage-collect, and identifies the JavaScript object that is still referencing the detached element. Help you better understand your page's CSS and identify potential improvements. ![]() Help you find unused JavaScript and CSS code, to speed up your page load and save your mobile users cellular data.įind unused JavaScript and CSS code with the Coverage tool Provides a powerful way to script functionality, inspect the current webpage, and manipulate the current webpage using JavaScript. A great companion tool to use with others tools. Track changes to files using the Changes toolĪn intelligent, rich command line within DevTools. Shows you what changes to make to your actual source files after you use DevTools to modify your webpage files sent from the server. Tracks any changes you've made to CSS or JavaScript in DevTools. Use the Application tool to manage storage for web app pages, including manifest, service workers, local storage, cookies, cache storage, and background services. Inspect and modify CSS animation effects by using the Animation Inspector in the Animations tool. Navigate webpage layers, z-index, and DOM using the 3D View tool Debug your webpage by navigating through the DOM or z-index stacking context. ToolĮxplore the web page translated into a 3D perspective. Microsoft Edge DevTools includes the following tools. The Settings pages can turn on additional features of tools.The Command Menu is a way to directly use features of tools.The Drawer is an additional toolbar and area to hold tool tabs.The following features are additional ways to access the tools: The optional tools that aren't open by default, on the More Tools ( ) menu: The default tools, including toolbar icons, toolbar tabs, and tools on the More tabs ( ) menu: 30 optional toolbar tabs, for the optional tools.3 permanent toolbar tabs, for the Elements, Console, and Sources tools.2 toolbar icons, for the Inspect tool ( ) and Device Emulation ( ).
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