Requestly blog

Learn how to use XPath in Selenium for locating elements, handling dynamic attributes, and running reliable cross-browser tests.

Learn how to use CSS selectors in Selenium to locate elements, handle dynamic content, and write robust automation tests.

Learn what the Page Object Model in Selenium is, its principles, examples, and how Page Factory extends POM for scalable test automation.

Learn Selenium wait commands with examples, differences, and best practices to build reliable automated tests.

In the world of technology, some leaders don’t just follow trends, they define them. They are the builders and thinkers, grounded in real-world experience, whose insights push the industry forward. To celebrate their work and bring their hard-won wisdom to the community, we’re proud to introduce Endpoint, a series by Requestly spotlighting the leaders shaping the future of software.

Keep API collections close to code and test across services seamlessly with Requestly’s Multi-Workspace View — modular, versioned, and collaborative.

Optimize GraphQL API performance with DataLoader by batching and caching data requests to reduce redundant queries and improve response times.

Understand CORS errors, their causes, and solutions. Learn how proper server setup and tools like Requestly can help fix cross-origin issues.

Learn how to create REST APIs with best practices, step-by-step guides, and efficient testing using the open-source Requestly API Client tool.

Learn how to handle dynamic elements in Selenium using XPath, CSS selectors, waits, and best practices to build stable, reliable test automation.

Learn how to generate Extent Reports in Selenium to capture test status, logs, and screenshots across TestNG, JUnit, and NUnit frameworks.

Learn how to handle CAPTCHA in Selenium with practical strategies, advanced techniques, and best practices for reliable test automation.

Learn how to work with web tables in Selenium by locating rows and cells, extracting values, handling dynamic content, and managing nested structures.

Easily share values across workspaces with Requestly Runtime Variables. Create, persist, and override variables to speed up testing and collaboration.

Discover how to manage alerts in Selenium WebDriver using the Alert interface, waits, and strategies for handling modal dialogs and authentication.

Learn how to use the Select class in Selenium to manage single and multi-select dropdowns with examples, validations, and best practices.

Learn what API simulation is and how it differs from mocking and stubbing. See when to use it, where it fits in QA workflows, and the mistakes to avoid.

Learn what API virtualization is, how it works, when to use it, and how it compares to mocks, stubs, and fakes with real examples and use cases.

A complete guide to understanding HTTP versions, their core features, and key issues testers must validate to ensure API reliability and performance.

Learn how Swagger-based mock servers simulate APIs, handle dynamic responses, test error scenarios, and improve development workflows.

WireMock vs MockServer comparison: Explore key features, pros, cons, and find out which API mocking tool best fits your development needs.

Learn what HTTP is, how it works, key methods, and headers. Also, explore how HTTP supports APIs, security, and debugging in real-world development.

Explore the 5 best REST API tools in 2025, including Requestly, Postman, Apache JMeter, Karate DSL, and Rest Assured, with key features, pros, and cons.

Learn what an HTTP message body is, its purpose, structure, use with HTTP methods, supported content types, common issues, and best practices for API testing.

Learn what API stubbing is, how it works, and when to use it. Also, explore strategies, real-world use cases, and examples.

Learn how to implement, test, and validate ARIA roles for dynamic content and compliance with WAI-ARIA standards.

Understand chunked encoding in HTTP and how to debug it in real time using Requestly to inspect, modify, and test streamed responses.

Explore a complete accessibility QA checklist with tools, standards, and best practices to ensure inclusive, compliant digital products.

Explore how Charles Proxy works and why Requestly is a faster, modern alternative for real-time traffic debugging and API testing.

Understand the key differences between ADA, Section 508, and WCAG standards, and learn how to achieve web accessibility compliance

Explore REST API headers with types, examples, and best practices to improve API communication, testing accuracy, and reliability.

I tested Postman, Insomnia, Bruno, and Requestly head-to-head across real-world scenarios. By the end of this post, you’ll know exactly which one fits you.

Learn how to intercept and modify GraphQL requests using Requestly. This step-by-step guide shows how to change query variables in real-time, using Requestly.

Learn how to modify headers in automation to handle auth, geolocation, and bot detection, using Requestly for cross-browser support.