How to Load Test a Website with Large Datasets

Most performance failures do not emerge from traffic alone—they emerge from the weight of the data each request drags through the system. A site can feel fast when the underlying dataset is small, yet slow, unstable, or outright unresponsive once real production...

How Third-Party Scripts Affect Load Testing Results

Third-party scripts have quietly become one of the biggest sources of noise, distortion, and false failures in load testing. Every marketing tool, analytics pixel, optimization framework, and widget adds another remote dependency your application doesn’t control....

How to Load Test GraphQL Endpoints (the Right Way)

GraphQL changed how frontends consume data—and in doing so, it changed how APIs fail under pressure. Unlike REST, where each route defines what data returns, GraphQL inverts control. The client decides what fields to fetch, how deep to traverse, and how often to...