When the audit is complete, use the Issues tab to search for pages that have returned a 4xx error.Įrror messages signal when something should be addressed or changed.You can set the audit’s crawl scope and include any disallowed pages. Configure the audit’s settings with the tool’s setting panels.(If you don’t have a project set up, you’ll need to create one for your website to use the Site Audit tool.) Pull up the Site Audit tool from your project’s dashboard.The tool also includes a specific check for permanent redirects (301 and 308), temporary redirects (307), and ambiguous redirects (302), and any outgoing external links that lead to a 403 status code.Ĭheck out our knowledge base for a complete list of issues you can find with the Site Audit. The Site Audit tool can show you if web crawlers encounter any 4xx (client error) or 5xx (server error) status codes. Recommended reading: A Non-Jargon Guide to HTTP Status Codes Some error codes are more difficult to find or attribute cause, so you can use site auditing tools to discover which pages on your website are showing these codes. If you own or run your website, finding and fixing 4xx errors can help improve your users’ experience. You can also try uploading the image to an alternative cloud storage service if the file size is still too large. HOW TO FIX IT: Try uploading a lower-resolution version of the image. If you’re uploading a file to your website when you receive the 400 Bad Request error message, it can be because the file size is too large and the server rejects it. When the DNS data stored locally on your computer does not sync up with the information on the internet, you get the 400 BNad Request error. If your computer’s hit with a virus, it could affect your DNS cache. However, unauthorized IP addresses are added to your DNS cache, or technical glitches can corrupt your DNS cache. Your computer keeps a temporary database of the websites you’ve visited, which can influence search results for you. Websites use DNS caching to get information about past queries you’ve made online. Clearing your browser cache means you’ll have to accept new cookies once you revisit the page. HOW TO FIX IT: You can clear your entire cache or refresh the page for new cookies. You might receive a bad request error if the cookies you have are old, out of date, or corrupted. The next time you visit that website, it will load faster for you by using the data stored by the cookies. Corrupted or Invalid CookiesĬookies are information stored on your computer about a site you’ve visited. HOW TO FIX IT: Double-check the URL for typos, illegal characters, or remove the double %% characters and try again. An illegal character is a character that isn’t usually found in an URL (e.g., “}”). You could also have a “malformed URL” or an “illegal” character in the URL string.Ī malformed URL is often when an extra percentage sign (%) is included in the URL string. This is the most common cause of 400 bad requests. If you see this error, it means you mistyped the URL. The server or your browser client might not indicate why, so it’s best to troubleshoot for these issues: Error In The URL String Syntax There are many reasons why your browser might trigger a 400 bad request response. What Causes a 400 Bad Request Response? & How Can You Resolve It? Note that these messages all describe the same error. There are many different messages servers use to indicate a 400 error code, including: When the server can’t understand a request you’ve made, it returns this error message. What Is a 400 Bad Request Code?Ī 400 bad request error is client-side, meaning something on your end triggered the error. Let’s review how this error code works and how you can fix it. 400 “bad request” error codes are a type of error that occurs When pages load improperly or not at all, your browser returns an error code.
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