Disable Next Prefetching

How can I temporarily disable prefetching with nextjs for performance testing purposes so that I demonstrate the page load time reduction it delivers while browsing my site?

Prefetching can be disabled by bypassing the service worker using Chrome devtools. In Application > Service Workers, check Bypass for network as shown here:

Thanks @mark.brocato. That’s a great option for local testing, but what about for using services like webpagetest.org?