A reference of convenience functions available in the Chrome DevTools Console. If you find yourself typing the same JavaScript expressions into the Console repeatedly, try Live Expressions instead. A tutorial on the most popular network-related features in Chrome DevTools. A comprehensive reference of Chrome DevTools Network panel features.
How to view and edit localStorage with the Local Storage pane and the Console. How to view and edit sessionStorage with the Session Storage pane and the Console. Find and fix problems with the Issues tab. Use the Issues Tab to find and fix problems with your website.
Run commands in the Command Menu. A guide on how to open the Command Menu, run commands, see other actions, and more. Use virtual devices in Chrome's Device Mode to build mobile-first websites. Open the Network conditions tab, disable Select automatically, and choose from the list or enter a custom string. Open the Sensors tab and select coordinates from the Geolocation list. Open the Sensors tab and go to the Orientation section.
Learn about all the ways you can pause your code in Chrome DevTools. Discover new debugging workflows in this comprehensive reference of Chrome DevTools debugging features.
Snippets are small scripts that you can author and execute within the Sources panel of Chrome DevTools. You can access and run them from any page. When you run a Snippet, it executes from the context of the currently open page.
Learn how to evaluate runtime performance in Chrome DevTools. Learn how to use Chrome DevTools to find ways to make your websites load faster. A reference on all the ways to record and analyze performance in Chrome DevTools. The timeline events mode displays all events triggered while making a recording.
The network panel allows you to check the network status of a web page. It will show you many statuses like Name of the file, Method, Status, Type, Initiator, Size, Time of the file loaded, Start time and the End time for a particular file. What you need to do is to go to the URL on which you want to check the speed.
But when you refresh the page you will see the statistics of the page as shown below. This will help you to analyze which element on the page is taking long time to load and you can work on optimizing the speed. This panel will be helping you in monitoring the performance of your web page and it will show you the whole loading, scripting, rendering and painting things at the end of a recording option.
Now, click on the recording button and start recording, this will keep on recording. It will give you the JavaScript size, number of documents, nodes, etc. Performance Results in Chrome Developer Tools. This panel pretty much does the same thing as of performance tab. You can take a snapshot and it shows you all of the memory used for that page. This will show you the memory consumed by each object.
This panel will show you the local storage that has been used by your web page, it will show you all the loaded resources at one place. Web SQL databases , cookies, fonts and stylesheets will be altogether just in on place. With the help of this panel, you can debug web applications, easily manage storage, clearing cache can be also done and inspecting and deleting the cookies is also the part of it.
Check the local storage, delete or refresh files from your project. This panel will show you how secure you web page is, or if there are any errors it will let you know. In other words, secure or not secure. From this panel, you can check the performance, best practices to follow for web development, SEO , etc. Chrome will use the lighthouse extension for auditing the webpage and after the auditing, it will show you the results of the auditing performed.
Besides the browser settings that you can access from the menu, there are many special settings available only for developer tools console. Click on the three dots button on the top right corner of the developer tools to find many customizing options. For example, you can change the position of the dock and disabling the cache while developer tools is open. Customizing Developer Tools Console in Chrome. From then on, every new tab will automatically open DevTools until the user fully quits Chrome.
Skip to content. Chrome DevTools. Overview Open Chrome DevTools. Inspect network activity Network features reference. Simulate mobile devices with Device Mode Override the user agent string Override geolocation Simulate device orientation.
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