### Q1: What is the first step in building a simple web application?  
### Q2: How can you ensure that your application is scalable as your user base grows?  
### Q3: What are the benefits of using version control tools like Git in your development process?  
### Q4: Which programming language and framework might you choose for the back end of a simple application?  
### Q5: What strategies can you employ to optimize the performance of your web application?  
### Q6: How does implementing security best practices impact the development of your application?  
### Q7: What key factors should you consider when designing the user interface of your web application?  
### Q8: How can cloud services facilitate the scalability of your application?  
### Q9: In what ways can a well-designed user experience affect user retention?