Code & QA Zone: Tutorials, Tools, Guides & Tips for Developers & Testers

Top Free Public APIs for Your Next Project (2026)

One of the smartest ways to speed up project development is by using Free APIs. APIs are essential tools in modern development and give your application instant access to external data, authentication systems, AI services, and other backend capabilities, allowing developers to focus on building ...

GraphQL Key Components Explained

If you’re new to GraphQL, check out our previous post [**GraphQL Essentials: What It Is, How It Work ...

GraphQL Essentials: What It Is, How It Works and When to Use It Instead of REST

Modern applications consume data from many sources and serve multiple clients like web, mobile, and ...

SQL JOINs Explained With Diagrams

Understanding SQL joins is one of the most important skills when working with relational databases. ...

Best Chrome Extensions for Exploratory UI/UX Testing

Google Chrome is one of the most widely used browsers in the software development and testing commun ...