![]() ![]() ) button in the Microsoft Edge toolbar (above the DevTools toolbar). Running Lighthouse from an InPrivate window ensures that the auditing process runs without interference.Ĭlick the Settings and more (. If the Lighthouse report shows errors, try running Lighthouse again from an InPrivate window, with no other tabs open. To test the webpage without any simulation, set this option to Desktop.Ĭategories: this option allows you to run only a subset of the tests available in Lighthouse.Īfter 10 to 30 seconds, a report of the performance of the site appears: To run tests on the webpage as it appears now, set the option to Snapshot.ĭevice: To simulate a mobile user agent string and a mobile viewport, set this option to Mobile. To run tests during a period of time, set the option to Timespan. Mode: To run tests during the load of the webpage, set this option to Navigation (default). Select the Performance category, and clear all the other categories. If that tab isn't visible, click the More tabs ( ) button, or else the More Tools ( ) button. ![]() In DevTools, on the main toolbar, select the Lighthouse tab. Or, press Ctrl+Shift+I (Windows, Linux) or Command+Option+I (macOS). In Microsoft Edge, open DevTools by right-clicking the webpage, and then selecting Inspect. The baseline is a record of how the site performed before you made any performance improvements. It gives you actionable tips on what changes improve performance the most. It creates a baseline for you to measure subsequent changes against. Whenever you set out to improve the load performance of a site, always start with an audit. In Microsoft Edge, go to to open the website: This local web server will be stopped when you close Visual Studio Code. In the terminal, type npx http-server to start a local web server. Visual Studio Code displays the source files in the Explorer sidebar, and displays the Terminal: In Visual Studio Code, select View > Terminal. Open the folder you just downloaded or cloned in Visual Studio Code. Get the website's source code locally: Download or clone the Demos repo. Step 1: Set up the website locallyįirst, set up the website locally, so that you can make changes to it later: The source files for the website are at MicrosoftEdge / Demos > travel-site. In this tutorial, you improve the performance of Margie's travel, a fictitious travel website that contains travel images, text descriptions, a few JavaScript-based user interactions, and an interactive map. Install Node.js to use it as a local web server. Install Visual Studio Code to edit source code. Microsoft isn't responsible for and has no control over the content of these sites and any data that may be collected. The Lighthouse tool provides links to content that's hosted on third-party websites. Now that we have all these modules installed, let’s create a speed_test_pjt.This tutorial teaches you how to use Lighthouse and other tools in DevTools to find ways to make your websites load faster. TQDM | Description | Fast, Extensible Progress Meter Version | tqdm=4.62.3 PIP Command | pip install speedtest Requires | Python !=3.0.*, !=3.1.* to !=3.3.*, >=2.7 Version | colorama=0.4.4 PIP Command | pip install colorama Requires | Python >=2.7, !=3.0.*, SPEEDTEST | Description | Speed test module for Python Version | speedtest=0.0.1 Command | pip install speedtest Requires | Python >=3.7ĬOLORAMA | Description | Cross-platform colored terminal text. Most of these packages have their own descriptive section in the Python Package Index(PyPI)repository. We can install them using pip or downloading the files. Requirements: We will need three modules, or packages, or libraries or whatever you want to call it in order for us to run this project. Well, we certainly can and we will focus on to give you guys an example of how to proceed with this in this article, are you ready to start this journey, buddy? Although this is not bad in terms of utilities, it would be great if we could integrate these tools in our applications to run all these tests inside the core of our project, without the need of going back and forth in between our app and these tools, wouldn’t be great if we could do so? ![]() As internet users, we usually rely on and for all of our internet performance and network speed tests. ![]()
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