WordStress Companion Plugin
To start load testing on a website, you’ll need to install the WordStress plugin. The WordStress plugin handles authentication to simulate a logged in user, it’s also a way of confirming that you own the website that you run the stress test – this prevents WordStress being used for DDoS attacks.
After installing the plugin, go to Settings -> WordStress and generate a cookie value – then continue by pasting the cookie value in the load test you’re creating on the WordStress platform.
After this you’re all set to starting running your first load tests!