Say you're tasked to analyze some website to check for its performance and you need to extract total files required to download for the web page to properly load, in this tutorial, I will help you accomplish that by building a Python tool to extract all script and CSS file links that are linked to a specific website. Let's start off by initializing the HTTP session and setting the User agent as a regular browser and not a Python bot:.
Now to download all the HTML content of that web page, all we need to do is call session. Now we have our soup, let's extract all script and CSS files, we use soup.
So, basically we are searching for script tags that have the src attribute, this usually links to Javascript files required for this website. Similarly, we can use it for extract CSS files:. To do that, pin the CSS window pressing the space bar key , and then you are free to make changes to the CSS code of the selected element. What if you could COPY and use the styles you like? Amazing, right? And the more complex an element is, the more difficult it is to understand it.
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