404 not found? Common problem solution summary

in the process of browsing websites or maintaining websites on the Internet every day, many people have encountered 404 not found pages, which will not only interrupt the user's browsing rhythm, but also affect the user experience and search engine ranking of the website. Many people will be at a loss when faced with this prompt and do not know where to start. This article will dismantle the common causes and corresponding solutions of 404 not found in detail from the perspectives of client-side investigation, website-side repair, optimization and prevention. Whether you are an ordinary viewer or a website operation and maintenance staff, you can find the appropriate treatment method.

How to solve 404 not found?

when ordinary users encounter the 404 not found prompt, they must first start from their own operation and equipment environment, and most of these problems can be solved quickly through simple operations.

1, check whether the URL input is correct

One of the most common causes of

404 not found is URL input errors, such as spelling mistakes, typing more and less characters, case errors, etc. Especially some URLs containing English words or special characters are prone to input biases. At this time, you can carefully check the official URL of the target page, or search for the target content through the search engine, and enter the correct page from the search results to avoid 404 not found due to manual input errors.

2, clean browser cache and Cookie

old page data cached by the browser or expired cookies may also cause a 404 not found prompt. After some websites update the page path, the old path information cached locally will not match the current path of the server, triggering 404 not found. Users can open the browser's settings option, find the function of cleaning cache and cookies, select Clean the data of the most recent period, and try to visit the target page again.

3, switch network environment or browser

network fluctuations and abnormal DNS resolution may also cause 404 not found problems. Users can try to switch between WiFi and mobile data networks, or use a mobile phone hotspot to connect to the network to test whether it can be accessed normally. At the same time, different browser compatibility settings are different, you can also change a browser to reopen the target URL to check whether 404 not found is caused by browser compatibility.

How to fix 404 not found?

for website operation and maintenance personnel, the appearance of 404 not found means that there is a problem of link failure or path error within the site, which needs to be repaired from the site structure and server settings.

1, troubleshoot and fix dead links

dead links inside the website is one of the core reasons for 404 not found, which may be caused by the page being deleted, the path being modified but not synchronized to update the internal links, or the content not being set to jump after migration. Operations personnel can use dead link detection tools to regularly scan all links in the site, locate the link pointing to the 404 not found page, and then timely update the link pointing, or delete the invalid dead link to avoid the user clicking and triggering 404 not found.

2, set 301 redirect rules

if there is a page on the website that needs to be changed or deleted, but the page has a high traffic or search engine weight, direct deletion will lead to a large number of 404 not found. At this time, you can set 301 permanent redirection through the server to direct the traffic of the old path to the new page or the homepage of the site.

3, configure custom 404 not found page

even if the pre-investigation is done, it is impossible to completely avoid the appearance of 404 not found. At this time, it is particularly important to configure custom 404 not found pages. Custom pages can add elements such as site navigation, popular content recommendations, search boxes, etc., to guide users to continue browsing other content on the site, reduce user churn rate, and also improve the professional image of the site and reduce the negative experience brought by 404 not found.

3. How to optimize the prevention of 404 not found?

in addition to post-event solutions, optimize preventive measures in advance can reduce the probability of 404 not found from the root cause and improve the stability and user experience of the site.

1, standardize page path management

in website construction and daily maintenance, it is necessary to establish standardized page path naming rules to avoid modifying the page path at will. If you must adjust the path, plan in advance, update all relevant internal links synchronously, and set redirection rules to prevent 404 not found due to path changes. At the same time, to avoid using overly complex dynamic paths, try to use static paths to reduce the probability of path failure.

2, regular site link detection

operation and maintenance personnel should develop the habit of regularly detecting site links. They can use professional tools to scan all links in the site every week or month to find potential dead links and deal with them in time to avoid the accumulation of dead links causing a large number of 404 not found. In addition, pay attention to the effectiveness of external links. For links to external sites, regularly check whether they are invalid, replace or delete invalid external links in time, and prevent users from jumping to 404 not found pages through this site.

3, monitoring search engine crawl log

search engine spiders crawl site content, if they encounter 404 not found pages, they will be recorded in the crawl log. Operation and maintenance personnel can regularly check these logs, find the 404 not found problem when the search engine crawls, and timely troubleshoot the corresponding page path. Whether there is an abnormality ensures that the site content can be crawled by the search engine normally, and avoids the impact of 404 not found on the search engine ranking of the site.

sum up, 404 not found is a common problem in the process of surfing the Internet, and the solution needs to distinguish between the client and the website. The client can quickly solve the problem by checking the URL, cleaning the cache, etc. The website operation and maintenance personnel should start from the dead link repair, redirection settings, custom page configuration, etc. At the same time, regular detection and path specifications and other preventive measures can effectively reduce the appearance of 404 not found and improve the user experience and site operation quality.