Select all the correct answers.

Abeba made an interesting website allowing the youth of today to express their minds on the platform and connect with youths with the same interests. But the users need to have Mozilla Firefox for a browser and Windows 10 or higher. With these restrictions, she only has few users using her website. What two reasons did she fail to consider?

()She only tested the program in her own system requirement.
()She used the programming language that can only run in higher specifications.
()She did not test the program on different types of browsers.
()She made the program so heavy that it would only run on a higher RAM machine.
()She did not consider older operating system versions.