Systems | Development | Analytics | API | Testing

Whether for frontend or backend, testing is a key aspect of building trustworthy JavaScript applications. For example, when writing code that relies on external modules or services such as APIs, databases, or configuration providers, mocking can allow for a more isolated testing structure without those real dependencies. If you are using Jest, one of the most popular JavaScript testing frameworks, then you may have seen the term mock.

For decades, testing was about ensuring predictable outcomes in mostly static environments. Today, AI-driven applications are dynamic, adaptive, and sometimes unpredictable. That raises the stakes for quality engineering. When Gartner rolls out a brand-new Magic Quadrant, it’s a big deal to those of us in the software industry. We believe it signifies a new, innovative tech has officially arrived on the global stage.

In the competitive world of web apps, **javascript for performance** is a strategic lever. Small changes in script behavior yield outsized benefits in speed, responsiveness, and user satisfaction. If you’re ready to take performance seriously, try LoadFocus to instrument and stress-test your JavaScript across real usage scenarios. You’ll see exactly which pieces of code slow you down—and how to fix them. Is Your Infrastructure Ready for Global Traffic Spikes?

Artificial intelligence is becoming a core part of modern software. From fraud detection to recommendation systems, machine learning models are shaping business outcomes and user experiences. But with this progress comes complexity. Unlike traditional applications, AI systems don’t behave in predictable ways. They adapt, learn, and sometimes make mistakes that are hard to trace.

Today, Gartner released the first-ever Magic Quadrant for AI-augmented Software testing, and I’m very excited to share that Katalon has been named a Visionary!

When working with web automation in Python, knowing how to get the current URL is essential. It helps you confirm where the browser is, catch unexpected redirects, and make sure your test steps behave as expected. The command driver.get("url") is what takes you to a page. But after that, how do you check if you're on the right one? That’s where driver.current_url comes in.

Data obfuscation offers a powerful solution to today's enterprise security challenges — and the stakes couldn't be higher. IBM reports that the global average cost of a data breach crossed $4.88 million in 2024. And 60% of the organizations we surveyed for our State of Data Compliance and Security Report have experienced data breaches or theft in non-production environments — up 11% from last year.

The expectations of users in the modern digital environment are ruthless. A smooth, user-friendly, and responsive online experience is no longer a competitive edge to be obtained; it is the standard for keeping customers. To design such experiences, Quality Assurance (QA) should extend beyond traditional functional testing.