有时，当您访问网站时，您可能会看到400 Bad Request消息。您应该尝试的第一件事是按Ctrl+F5硬刷新网页。如果它没有帮助，还有其他事情可以做。但在此之前，让我们尝试了解为什么会发生这种情况。

当您访问某个网页时，如果服务器发现该域的Cookie过大或某些Cookie已损坏，将拒绝为您提供该网页。相反，在您的浏览器窗口中，它会显示400 Bad Request、Request Header or Cookie Too Large或 Big 错误。这对于nginx 服务器^{(nginx servers)}很典型。

400错误请求^{(Bad Request)}，请求标头^{(Request Header)}或Cookie 太大^{(Cookie Too Large)}

如果您经常收到此错误，最好的办法是删除该特定域的 Cookie。假设您在访问example.com上的任何页面时收到此错误，那么您应该从浏览器的缓存中删除example.com的所有 Cookie。^{(example.com)}

虽然您始终可以使用CCleaner之类的工具来清空整个缓存，但如果您不想这样做，则必须仅清除该特定域的Cookie。

这些帖子将向您展示如何做到这一点：^{(These posts will show you how to do it:)}

• Chrome、Edge Chromium和Firefox可以看到这篇文章 – Clear Cache & Cookies for specific website in in
• 如果您是Internet Explorer用户，请参阅这篇文章：删除特定域的临时 Internet 文件和 Cookie。
• 如果您是Microsoft Edge 旧版^{(Microsoft Edge Legacy)}用户，则此浏览器不允许您删除特定网站的缓存。您将不得不删除整个浏览历史记录和缓存^{(delete the entire Browsing History & Cache)}。
• 想要一个方便的工具？使用CookieSpy，这是一款免费软件，可让您在一个地方管理所有浏览器的 Cookie。

正如我之前提到的——如果您不想这样做，您还可以通过其设置或选项清除该浏览器的整个Cookie缓存。请注意，当您使用此选项时，您将删除所有Cookie，因此您的设置和登录信息也会被删除。

400 Bad Request, Cookie Too Large - Chrome, Edge, Firefox

At times, when you vіsіt a website you may get to see a 400 Bad Request message. The first thing you should try is to hard refresh the web page by pressing Ctrl+F5. If it does not help, there is something else that you can do. But before that let us try and understand why this happens.

When you go to visit a web page, if the server finds that the size of the Cookie for that domain is too large or that some Cookie is corrupted, it will refuse to serve you the web page. Instead, in your browser window, it will show you 400 Bad Request, Request Header or Cookie Too Large or Big error. This is typical for nginx servers.

400 Bad Request, Request Header or Cookie Too Large

If you receive this error frequently, the best thing to do is to delete the Cookies for that particular domain. Let us say, if you are receiving this error when you visit any page on say, example.com, then you should delete all the Cookies of example.com from your browser’s cache.

While you can always use a tool like CCleaner to empty your entire cache, if you don’t want to do this, you will have to clear the Cookie for that particular domain only.

These posts will show you how to do it:

• Chrome, Edge Chromium and Firefox can see this post – Clear Cache & Cookies for specific website in
• If you are an Internet Explorer user, see this post: Delete Temporary Internet Files & Cookies for a particular domain.
• If you are a Microsoft Edge Legacy user, then this browser does not let you delete cache for particular websites. You will have to delete the entire Browsing History & Cache.
• Want a convenient tool?  Use CookieSpy, a freeware that lets you manage Cookies of all Browsers in one place.

As I mentioned earlier – If you do not wish to do this, you can also clear the entire Cookie cache of that browser, via its settings or options. Note that, when you exercise this option, you will be deleting all your Cookies and therefore your settings as well as your logins.

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