Learning Selenium A Tool to Check If Websites Work Right | iCert Global

Have you heard of Selenium? Do you know why people use it? If you're curious, keep reading this blog! By the end, you'll understand what Selenium automation is and why it might be important for a job you could have in the future. It’s worth your time to learn something new and useful!

Selenium started because a person named Jason Huggins, who worked at a company in Chicago, found manual testing slow and boring. So, he made a tool called Java Script Test Runner to help test websites automatically. His coworkers were the first to try it.

What Is Selenium?
Selenium is a free tool that helps test websites using web browsers like Chrome, Firefox, Safari, and Edge. It checks if websites work the way they should.

Selenium is mostly used by people who build or test websites to make sure everything runs smoothly. But here’s something important: Selenium only works with websites. It can’t test desktop apps (like games or programs you install) or mobile apps (like phone apps).

What Are the Advantages of Selenium?
Selenium has many great things about it. First, it’s free to use, which means anyone can download and try it without paying money. It also works with many web browsers like Chrome, Firefox, and Safari. You can use it with different programming languages like Java, Python, or C#. Selenium helps save time by doing the same tests again and again without getting tired, unlike people.

What Are the Limitations of Selenium?
Even though Selenium is a powerful tool, it has some problems too. First, it only works for testing websites. You can’t use it to test desktop software or phone apps. Also, Selenium doesn’t come with its own support team, so if you face a problem, you have to search online or ask people in tech communities for help.

But don’t worry! These problems can be managed with extra tools and learning. Before we move on, let’s take a quick look at how Selenium became so popular. Here’s what we’ll talk about next:

• Why software testing is needed
• Problems with manual testing
• How automation testing is better
• How Selenium compares to other testing tools

Why Do We Need Software Testing?
Software testing is super important. Today, we use machines for almost everything—like phones, computers, and even smart cars. These machines do what they do because of the software inside them.

Testing helps us check if a program or website works properly. If the software has mistakes, it could cause big problems. For businesses, good software means happy customers and more successes specially with websites, since most companies today use the internet to grow and earn money.

Challenges with Manual Testing
Manual testing means a person checks if a website or software works by using it step by step. This sounds simple, but it can be very slow and tiring. If the same tests have to be done again and again, it takes a lot of time and effort.

Why Automation Testing Is Better Than Manual Testing
Automation testing is better than manual testing in many ways. It’s faster, doesn’t need as many people, and makes fewer mistakes. You can run tests many times without getting tired, and it even works when no one is around (this is called lights-out testing

Here are some quick tips for using Selenium in automation testing:

• Organize your tests neatly using Page Object Model (POM).

• Use error handling so your tests don’t stop if something small goes wrong.

• Try parallel testing to run many tests at once.

• Keep your browser tools (drivers) up to date.

• Use testing tools like TestNG to make your tests smarter and well-organized.

Selenium Suite of Tools
Selenium is not just one tool—it’s a group of tools that help test websites. These tools are:

• Selenium RC (Remote Control) – This tool is no longer used today, but it helped test web applications in the past.

• Selenium IDE – A simple tool that lets you record and replay tests. Great for beginners.

• Selenium Grid – Helps you run tests on many computers and browsers at the same time.

How to Pick the Right Selenium Tool for Your Work
Selenium has different tools, and each one does something special. To choose the right one, you need to know what kind of testing you want to do.

• If you are just starting out and want something easy, try Selenium IDE. It lets you record and play back tests without writing code.

• If you want to write tests using code and need more control, go with Selenium WebDriver. It’s powerful and works with many programming languages.

• If you want to run tests on many browsers and computers at the same time, use Selenium Grid.

Selenium IDE (Integrated Development Environment)
In 2006, a developer from Japan named Shinya Kastani gave his tool to the Selenium project. This tool became known as Selenium IDE. It was a simple add-on for the Firefox browser that helped people create tests quickly.

What Is Selenium Grid?
Selenium Grid is a tool that helps you run tests on many computers at the same time. It was first made by a person named Patrick Lightbody and was called HostedQA. It was used with an older tool called Selenium RC.

What Is Selenium WebDriver?
Selenium WebDriver was created in 2006 by Simon Stewart. It was the first tool that could control a web browser directly from the computer’s operating system. That means it could make the browser do things like click buttons or type text, just like a real user.

Benefits of Selenium WebDriver
Selenium WebDriver has many great features that make testing websites easier and better. It works with 7 different programming languages like Java, Python, C#, Ruby, PHP, Perl,

How to obtain  selenium certification? 

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Conclusion

Selenium is a smart and helpful tool that makes sure websites work the right way. It saves time, reduces mistakes, and helps people test websites faster than doing it all by hand. Even though it has some limits, its benefits make it a favorite for many developers and testers around the world.

Whether you're curious about how websites work or thinking about a future job in tech, learning Selenium can be a great step. With tools like Selenium IDE, Grid, and WebDriver, there's something for everyone—from beginners to experts.

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