http headers for a responsible developer`, developers connect people, building things that help and enable people. HTTP is the protocol used by computers to request and send data over the web. Request headers are key-value pairs giving information like browser version or file formats understood. Response headers give information on the resource or server itself. The web has to be safe, affordable, and respectful. Developers have the power to build a better web for everyone. HTTP headers can help you build better products by reducing waiting time, preloading resources, using feature policy, and serving tailored resources to users.