What is 404 error 404 not found error, error 404 not found


A 404 error occurs when you try khổng lồ visit a website page that doesn’t exist. Sometimes, the problem is on the trang web itself, & there’s not much you can do about that. But sometimes, the problem is one you might be able to lớn solve—maybe you typed the address wrong, or maybe your browser cache is causing problems. Here are some solutions you can try.

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What Is a 404 Error?

Like we mentioned, you get a 404 error when the website page you’re trying khổng lồ get khổng lồ doesn’t exist. It’s called a 404 error because that’s the HTTP status code that the web server uses lớn describe that kind of error. Different websites might show you different kinds of custom pages when you get this error. Above, you can see Google’s 404 error page, and the top of this article, you can see How-To Geek’s own custom error page. Some 404 error pages might even provide you with suggestions for finding what you’re looking for or ways khổng lồ navigate to other parts of the site.

Websites might also use slightly different names for this error. For example, you might see things like:

404404 Resource not foundError 404HTTP 404404 Not FoundError 404 Not Found404 Page Not Found404 tệp tin or Directory Not Found

They all mean the same thing.

So, let’s take a look at some things you can vì to try to fix a 404 error on your end.

Refresh the Page

It doesn’t happen often, but sometimes web servers can glitch và simply fail khổng lồ show a page that really does exist. The first thing you should try is refreshing the page. Most browsers use the F5 key lớn refresh, and also provide a Refresh button somewhere on the address bar. It doesn’t fix the problem very often, but it takes just a second khổng lồ try.

Double kiểm tra the Address

If you typed a URL into your address box yourself, it’s possible you mistyped. If you clicked a liên kết on another web page & were shown a 404 error, it’s also possible that the link was mistyped on the linking page. Check the address and see if you spot any obvious errors, lượt thích in the image below.


In that example above, you can try changing “watht” to lớn “watch” và seeing if you reach the correct page.

Perform a Search

If the URL you are trying to reach is descriptive (or if you know roughly the name of the article or page you were expecting), you can use the keywords in the address to search the website. In the example below, you can’t really tell from the URL itself if anything is mistyped, but you can see some words from the name of the article.


Armed with that knowledge, you can perform a tìm kiếm on the website with the relevant keywords.


That should lead you to the correct page.

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The same solution also works if the trang web you are trying lớn reach changed the URL for some reason và did not redirect the old address to lớn the new one.

And if the website you’re on doesn’t have it’s own search box, you can always use Google (or whatever tìm kiếm engine you prefer). Just use the “site:” operator to search only the trang web in question for the keywords.

In the image below, we’re using Google và the tìm kiếm phrase “site:jdomain.vn focal length” to search just the jdomain.vn site for the keywords.


Clear Your Browser Cache

It’s also possible the page with the error has been cached in your browser, but the actual link was changed on the website. To kiểm tra out this possibility, you’ll have to lớn clear your browser cache. Clearing the cache won’t affect your browsing experience much, but some websites may a take a couple of extra seconds to lớn load as they re-download all the previously cached data.


To clear the cache in your browser, you can follow this extensive guide which will teach you how lớn clear your cache on all the popular desktop and mobile browsers.

RELATED: How lớn Clear Your History in Any Browser

Change your DNS Server

If a trang web is giving you 404 error on multiple URLs while being accessible on other networks (like mobile), then it’s possible that your ISP has blocked access khổng lồ that website, or that their DNS servers are not working properly. To work around that, you can change your DNS servers và try to lớn access the website.

RELATED: The Ultimate Guide lớn Changing Your DNS Server

You can also try to lớn flush your DNS instead of changing your DNS vps to resolve the error. Flushing deletes the DNS cache which then forces a new DNS lookup. If the website or page in question was recently moved khổng lồ another IP address, then flushing the DNS should resolve the 404 error. Here is how to clear your DNS cache on Google Chrome and do the same on macOS.

Check if the website Has Temporary Issues

Sometimes a trang web may experience issues temporarily which might cause 404 errors. In that case, there is nothing you can bởi vì but wait. But to lớn confirm, you can demo the trang web on an availability testing tool. There are many tools out there, và you can just vì chưng a web tìm kiếm for “is website down” to lớn see a list of tools. Just make sure lớn replace “website” with the name of the site you want lớn test.

Contact the Website

If all else fails, then your last option is to tương tác the trang web owner directly. Look up their tương tác information on the website and liên hệ them about the page in question. It’s likely that the page you’re looking for was moved or deleted, và the owner can clarify why it was done. If there is no contact form, you can try & reach the website on their social media.

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