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What Selenium is good at

There are a few factors that have attributed to Selenium’s success.
  1. Since this is a free tool, it often is one of the few options for companies that do not have a lot of budget for Automation tools.
  2. Selenium was first written in Java but it also supports .Net, Ruby, Perl, PHP and Python. This is a big plus when you want to build your framework in a language that has the highest adoption in the organization it is being built within. Tools like QTP force you to use VBScript – which is almost never the preferred scripting language for developers.
  3. Since this instantiates and drives a real browser, as opposed to simulated browser solutions like HtmlUnit, this tool runs in a client that is closer to what a real user would use. This in turn provides more confidence that tests run with this tool would catch most issues that a real user would experience.
  4. It has support for all of the popular browsers like IE, Firefox, Chrome, Safari etc. It also supports several Operating Systems and that makes it a tool of choice for cross browser/ cross platform certification.
  5. The developer community of Selenium are always trying to push the envelope of what can be achieved with browser automation. Drag and drop, key press actions, flex support etc are some examples of this.
    Besides that, there are companies like Sauce Labs who are provide a service called Sauce OnDemand which is a cloud service that allows users to execute their Selenium scripts in parallel.
  6. Once you get Selenium to work for you, it works reliably when used for running the tests over and over again. It’s definitely a lot more reliable than tools like QEngine or JExplorer but about the same as tools like QTP.
  7. You can instantiate several concurrent tests with Selenium Grid. Good luck trying that with tools like QTP!
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