Which means a 404 Not Found or other web pages error
Technologies / / December 19, 2019
The most common mistakes
Error 401 Unauthorized
This error occurs due to problems with authorization. Most often, this can be corrected by re-logging in to your account on the main page of the site.
If re-authentication does not work, look at the problem. But to exclude the server problem, which is the site, too, can not, even though they are unlikely.
Error 403 Forbidden
This error occurs when a user is logged on the site, but for some reason can not access certain pages or files. Most often, this means that it does not have permission to view published content. It is also possible that the page simply is closed to all users. For example, Apache servers restrict access to the file system directory.
Error 404 Not Found
One of the most common mistakes. It means that the server can not find anything at the address specified in the request. In this case, either you incorrectly enter URL, or you simply have a dead link, which leads to a non-existent page. Still there is the likelihood that the page move, and browser accesses the server of the old address.
Usually, website owners are trying to soften the anger of the user when it sees this error. The Network of you can find many examples of famously decorated 404 pages.
Error 504 Gateway Timeout
This error occurs when the server can not respond within the specified time. Most often this occurs because of the heavy load: requests time to be processed. Also, it can be any other problems on the server side. All that you can do - try to visit the site again after some time.
What to do if the browser gives an error
If the error 504 indicates a problem on the server, the class 4xx error most likely to appear on the user's fault. If you are logged in to the site or enter the correct URL, but error pages continue to open, try cleaning your cache or cookie in the browser.
Remove cookie
Cookie - are small pieces of data. They contain a variety of information obtained from the web server, including the user authentication on the site.
Chrome
For individual sites:
- Go to "Settings» → «Advanced».
- Select "Content Settings» → «cookie files» → «All cookie files and information site."
Delete all cookie:
- Go to "Settings» → «Advanced».
- Scroll down until you see "Clear History."
- Select for cleaning «cookie files and other site data".
Yandex. Browser
For individual sites:
- Go to "Settings» → «Advanced».
- Select "Content settings» → «Display cookie and site data".
Delete all cookie:
- Go to "Settings» → «Advanced».
- Select the "Clear download history» → «cookie files and other site data".
Firefox
- Open the "Settings» → «Privacy & Security".
- Click on "Show Cookies".
- Select what you want to do: remove the files of individual sites or all of the cookie.
Opera
- Go to "Settings» → «Security».
- Open the "All cookie files and data sites."
- Choose what to do: remove the files of individual sites or all of the cookie.
Safari
- Go to "Settings» → «Privacy».
- Click on the "data-driven sites."
- Choose what to do: remove the data from the individual sites or to clear everything.
Clear your browser cache
Kesh It contains data about the web pages you visit. Sometimes, online there have been some changes, and the browser continues to refer to the old data.
Chrome
- Go to "Settings» → «Advanced».
- Select "Clear History," check the box next to "Images and other files stored in the cache" and click on "Delete Data".
Yandex. Browser
- Go to "Settings» → «Advanced».
- Select the "Clear download history» → «The files stored in the cache."
Firefox
- Go to "Settings» → «Privacy & Security".
- Scroll down until you see "Cache Web content" and click "Clear Now."
Opera
Go to "Settings» → «security» → «Delete browsing history".
Safari
- Go to "Settings» → «Privacy».
- Click on the "data-driven sites."
- Choose what to do: remove the data from the individual sites or to clear everything.
see also
- How to turn on the turbo mode in different browsers →
- What if the browser slows down →
- DuckDuckGo - ad blocker and privacy protection in the browser and on your phone →