Technology · Shipping carriers
detected by AwesomeTechStack audits
About Whistl
Whistl is a postal delivery company operating in the United Kingdom.
How we audit Whistl
We measure the detected version against Whistl's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksAudit any site that runs Whistl.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
