![]() This actually stands for XML HTTP Request, but that doesn’t matter. Img refers to images, Font to fonts and so on.Ī good one to check for any data sources is XHR. JS, for example, means JavaScript files that end in. Just above the results and a bunch of coloured lines (these indicate load times for each file) you should see these options:Įach of these refers to a different type of file. This is quite a lot to pick through – but thankfully the Network tab has some extra tabs itself. When refreshed, you should see a list of all the files loaded when the webpage is accessed But most webpages you see now involve all sorts of external scripts, cookies, images, media files - and data. ![]() Once upon a time a HTML page might have been only that: one HTML file, and nothing more. What the Network view is showing you is a list of every file that is loaded by your browser when the page is being accessed. If you refresh the page, then, you should see the Network view in the inspector start to fill up with information. Refresh the page and see what’s being loaded This is because the Network view only starts recording information while it is open. Click on that ‘tab’ to switch to that view. If there’s data being loaded into this page, a good place to look is the Network. You might not see all of these: in this case a > button after the last visible one should allow you to see the ones that have been cut off. Note that the inspector has a number of sections: first Elements, then Console Sources Network Timeline Profiles Application Security and finally Audits. This is what it looks like across the bottom: In most cases it will open up across the bottom, but sometimes it opens up along the right hand edge, or even as a pop up window. The inspector will take up part of your screen. Then you can select Developer > Developer Tools. In Opera you need to make the developer menu visible first by selecting View > Show Developer Menu. If for any reason you cannot do that, you can also open the inspector by going to View > Developer > Developer Tools (in Chrome) or Tools > Developer > Inspector (in Firefox). Once you have the page open in those browsers, the quickest way to open the inspector is to right-click somewhere on the page and select Inspect (on Chrome) or Inspect Element (Firefox and Opera). To do this you really need to be using a browser like Chrome, Firefox, or Opera. The first step to identifying the data behind these charts is to open up the ‘ inspector‘.
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