How to Inspect Elements on Mac?

Web browsers nowadays have advanced capabilities used by UI developers. These advanced capabilities are available in the form of Developer Tools that each Web browser supports. But the question arises, why do one need to use the Developer Tools feature.

Why do Inspect elements?

User Experience is one of the top most priorities of websites. Mobile responsiveness, error/exception handling and any scenario where the UI is breaking upon the user taking any action on the website. To figure out where the things break quickly, inspecting elements is very useful.

What does the Inspect element do?

  • Image size – Images available in websites are key elements. To determine the image size on the fly, the “inspect element” is helpful.
  • Mobile Responsiveness – To check whether the website is mobile responsive or not, the inspect element is a key tool.
  • Styling and Formatting – To check the styling of UI widgets, font size used, font family used – all can be found through this tool. To obtain HTML color code, you can quickly find out.
    To do experiments with colors and styling, make changes in this tool and view how it looks. If the change looks good, then it can be implemented in live.
  • Request – Response Structure – Whenever there is an error found on clicking any action button on the website, the Network tab is used to determine the response with data structure and figure out why the error is occurring. 

There are many more features and functionality available in the Developer Tools. The “Inspect Element” is one of the options in the Developer Tools of the Web browser that opens a panel with different tabs and content.

Also read:

How to Inspect Elements on Mac

  1. Open a Web browser. For example: Google Chrome
  2. Go to a specific website – www.strangehoot.com
  3. Click the post to open the page.
  4. To open the Inspect Element panel:
    • Right-click to open the context menu.
    • Pick Inspect from the list.
right click the element and select inspect from menu
  • The below panel shall be shown with a list of horizontal tabs.
select the HTML code for the element
  1. To obtain the image size, use the first icon with arrow (selection) and hover over the image.
CSS/HTML properties and atributes of element is shown
  1. The image size is visible on the callout box that appeared. The size is – 651.94px * 325.97px.
  2. Along with that, margin set and other information is also shown as image details.
  3. To view request-response structure, the Network tab is used.
select network tab to view the requests
  1. The request taking more time to load, can be determined from here.
  2. This tab also is used to find response structure. This is how you do it.
    • Click the call from the Name section. On the right side, details related to that call are shown.
    • Go to the Response tab on the right. The data structure details shall be shown.
response tab in network shows the result of the request
  1. While debugging the call request-response, it is better to tick the Preserve logs check box.
check Preserve logs check box to preserve the logs
  1. This helps in debugging if any error or exception is thrown. 
  2. To view the site’s mobile responsiveness, use the device toggle bar icon located next to the selection tool.
  3. The mobile layouts can be chosen if the view is appropriately shown in the mobile view or not.
test the webpage for different environment like mobile and multiple screen resolutions

Takeaway

There are many more features available for developers to debug, to improve UI quality and fix the UI issues quickly and efficiently. The Developer Tools has become an integral part of the development and testing process.

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