Middleware ‘nocache’ Enhances Web Cache Control

The middleware nocache is available on npm under version 4.0.0, which has been published at least three years ago.¹ It works by setting HTTP headers that instruct browsers and proxies not to cache responses. Specifically, it adds the `Cache‑Control: no‑cache` header, telling caches they should revalidate with origin servers before serving content from their storage; this differs from a simple “no‑store” directive that prevents caching entirely. Because the package’s age suggests its core functionality remains relevant but may lack modern features such as support for service workers or more granular control over different types of cached resources, developers often need to supplement it with additional configuration when working with newer web technologies.

An earlier discussion in July 12 2016 by GoDaddy Managed Services highlighted using `?nocache=1` appended to URLs to avoid caching of assets such as stylesheets. This technique provides an easy way to bypass caching mechanisms on certain URLs without modifying server configurations directly, though relying solely on query string manipulation might be insufficient if CDNs are involved because those often have independent caching policies requiring additional configuration changes beyond just appending parameters.²

The GitHub repository Feh/nocache contains a README describing its purpose to minimize client-side caching through header manipulation or query strings. The project is hosted under the helmetjs organization and can be found at github.com/Feh/nocache/blob/master/README and github.com/helmetjs/nocache.³

MDN documentation lists the Cache‑Control header details and was last updated September 17 2026. It explains how browsers interpret various directives such as `no-cache`, `max-age`, and others used by middleware like nocache.⁴.org]