The Lancet

2025年11月16日 · The HTTP Cache-Control header holds directives (instructions) in both requests and responses that control caching in browsers and shared caches (e.g., Proxies, CDNs).

I found that Chrome responds better to Cache-Control: no-cache (100% conditional requests afterwards). "no-store" sometimes loaded from cache without even attempting a conditional request. Firefox responds better to "no-store" but still sometimes loads from cache if you reload immediately afterwords. What a mess!

2026年3月11日 · Responses without any cache headers are heuristically cacheable by default for certain status codes, so origins wanting to prevent caching entirely need to send no-store explicitly. Bingbot sends Cache-Control: no-cache on requests and relies on crawl-delay in robots.txt and IndexNow for crawl pacing.

The .nocache.js file contains JavaScript code that resolves the Deferred Binding configurations (such as browser detection, for instance) and then uses a lookup table generated by the GWT Compiler to locate one of the .cache.html files to use.

Cache directive "no-cache" An explaination of the HTTP Cache-Control header The Cache-Control header is used to specify directives for caching mechanisms in both HTTP requests and responses. A typical header looks like this Cache-Control: public, max-age=10 public Indicates that the response may be cached by any cache. private

Remarks This property represents the "no-cache" directive in a cache-control header field on an HTTP request or HTTP response. When the NoCache property is set to true present in a HTTP request message, an application should forward the request toward the origin server even if it has a cached copy of what is being requested.

Middleware to destroy caching. Latest version: 4.0.0, last published: 3 years ago. Start using nocache in your project by running `npm i nocache`. There are 495 other projects in the npm registry using nocache.

One Click No Cache (OCNC) is a lightweight and user-friendly Chrome extension that helps you chrome clear cache with a single click. Perfect for developers, testers, and anyone who needs to refresh web pages without cached data, OCNC eliminates the hassle of clearing cache manually.

62 Under certain circumstances, IE6 will still cache files even when Cache-Control: no-cache is in the response headers. The W3C states of no-cache: If the no-cache directive does not specify a field-name, then a cache MUST NOT use the response to satisfy a subsequent request without successful revalidation with the origin server.

2016年7月12日 · But what I would like to do is to apply ?nocache=1 to every URL related to the site (including the assets like style.css) so that I get the non cached version of the files.