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Learn Fiddler with online courses and programs

Fiddler allows developers to inspect traffic, as well as create and modify HTTP requests. If you’re looking to enhance site performance, or interested in starting a coding career, explore how Fiddler courses can help you get there.

What is Fiddler debugging tool? 

When an internet user visits a website, they expect their browser to load the page without issue. One way that developers can test their code is through a web debugging proxy, which uncovers potential problems that could result in a loading error. By using Fiddler, they can perform various tests on the website’s actual performance and detect problems that can’t be seen without tracking network requests. 

Fiddler is a web debugging tool that tracks network traffic between test computers and the internet. This provides programmers and other tech professionals with the power to inspect data and monitor requests before they hit the browser. It is compiled of five separate tools for debugging and troubleshooting code: FiddlerCore, FiddlerCap, Fiddler Jam, Fiddler Classic, and Fiddler Everywhere.Footnote 1

Fiddler runs on Windows, Linux, and macOS platforms, which makes it widely accessible by developers working today. Unlike other debugging tools included in major browsers, Fiddler software allows you to collaborate with others all over the world. It is also capable of handling complicated share, save, and customize requests, and offers dedicated email support.

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Fiddler course curriculum 

While it is fairly simple to use, Fiddler is considered an intermediate to advanced tool. Before you sign up for a Fiddler course, it could be helpful to gain some foundational web development experience. Sign up for a coding boot camp that can provide you with the basic knowledge you need to understand how to use Fiddler.

Fiddler tutorials will first introduce learners to what Fiddler is, how it can be effectively utilized, and how it works. They might explore some of the common tasks it is used to perform, including: 

  • Troubleshooting problems.

  • Evaluating a website’s performance.

  • Conducting a full website review.

You may also decide to take a course that explores Fiddler’s more advanced features and how to avoid making mistakes while using them. These include: 

  • IE9 developer tools

  • Filters

  • Web sessions

  • Breakpoints

  • AutoResponder

  • FiddlerScript

  • QuickExec

  • Fiddler extensions

  • FiddlerCore

  • FiddlerCap

By adding Fiddler to your web development skill set, you can position yourself as a well-rounded tech professional when you start applying for jobs. edX offers a variety of educational pathways, including full degree programs that allow you to earn a bachelor's degree or even a master’s degree. Learners may also choose boot camps, which run for shorter lengths or time and focus on specific skills. Find the right course for you.

Jobs that use Fiddler debugging tool 

Debugging is a crucial skill used by programmers across industries. Students who learn to use all of the advanced features in a program like the Fiddler software package might go on to become a web developer, software engineer, or computer programmer. Some roles you could apply for include:

  • Technical support engineer: use knowledge of Fiddler to assist customers with technical issues.Footnote 2

  • Software developer: use Fiddler to test the functionality and accuracy of your software code.Footnote 3

  • Senior quality assurance engineer: use Fiddler to resolve bugs during technical product development.Footnote 4

With an array of web developer jobs to choose from, having the ability to use a debugging environment like Fiddler can make your resume more competitive. However, each of these roles can have specific and different educational requirements which may vary by employer. Some employers may look for candidates with a bachelor’s degree in computer science or a related field, while others may want proof of the ability to execute specific spills. Before deciding on a specific learning pathway, research potential careers you hope to pursue and align your coursework with your professional aspirations.

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