Infrastructure
Website Response-Time Checker
Measure edge-to-origin response time and HTTP status for a public URL.
Examples
Compare two landing pages; confirm an API endpoint responds.
Common mistakes
Results vary by region; this is not a complete Core Web Vitals test.
Related tool: Redirect Checker →Tutorial on LearnWithIrfan: Network performance analysis →Created by Muhammad Irfan Aslam, Senior Systems & Cloud Engineer.
Case study: WordPress on AWS Lightsail with Nginx and Varnish →