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GOOGLE HTML INSPECTOR COLORS HOW TO

Throttling is relative to your computer's capabilities.

Set CPU to the desired level of throttling.

Set Network to the desired level of throttling.

The example above shows a recording with enabled JS samples. The example above shows a recording with disabled JS samples. The Main section of the recording is much shorter when sampling is disabled, because it omits all of the JavaScript call stacks. The following screenshots show the difference between disabling and enabling JavaScript samples.

Enable the Disable JavaScript Samples checkbox.

# Disable JavaScript samplesīy default, the Main section of a recording displays detailed call stacks of JavaScript functions that were called during the recording. # Show recording settingsĬlick Capture settings to expose more settings related to how DevTools captures performance recordings. While you are recording a page, click Collect garbage to force garbage collection. # Force garbage collection while recording

GOOGLE HTML INSPECTOR COLORS HOW TO

See View a screenshot to learn how to interact with screenshots. # Capture screenshots while recordingĮnable the Screenshots checkbox to capture a screenshot of every frame while recording. In the example above, the Performance panel shows the activity during a page load. Then DevTools records performance metrics while the page reloads and then automatically stops the recording a couple seconds after the load finishes.ĭevTools automatically zooms in on the portion of the recording where most of the activity occurred. DevTools first navigates to about:blank to clear any remaining screenshots and traces. Record load performance when you want to analyze the performance of a page as it's loading, as opposed to running.Ĭlick Start profiling and reload page. DevTools records all page activity that occurs as a result of your interactions.Ĭlick Record again or click Stop to stop recording.

Record runtime performance when you want to analyze the performance of a page as it's running, as opposed to loading. # Record performance # Record runtime performance See Get Started With Analyzing Runtime Performance for a guided tutorial on how to analyze a page's performance using Chrome DevTools.

If you toggle the :hover box then the element will be rendered as if your mouse is hovering over it.This page is a comprehensive reference of Chrome DevTools features related to analyzing performance. Using these options you change the pseudo classes that are applied to that element. If you click on the dotted box with an arrow a set of toggles drop down. In the ‘Styles’ header there are three icons, a + symbol, a dotted box with an arrow and a cog. In the Chrome inspector, select your element so that its styles are shown in the style pane. Well, you can! You just didn’t realise it. However, as soon as you start to use these pseudo classes for more complex purposes, like building complex navigation menus, you hit a point where you really want to be able to inspect those styles. In the simple case of changing text colour of an this isn’t a big problem. These changes are not reflected in the Chrome inspector in real-time – you can’t select an element, hover over it and see the :hover styles. When you interact with an element on a web page, various pseudo classes are applied dynamically that you can use in CSS to define styles.