


How to fix: err_response_headers_multiple_etag error in Google Chrome
Mar 14, 2025 pm 02:31 PMHow to fix: err_response_headers_multiple_etag error in Google Chrome
The err_response_headers_multiple_etag
error in Google Chrome typically occurs when the server sends multiple ETag (Entity Tag) headers in its HTTP response. ETags are used for web cache validation and optimization, and having multiple ETags in a single response can cause issues with Chrome's handling of the response. Here are the steps to fix this error:
-
Identify the Source: Start by confirming that the error is indeed caused by multiple ETag headers. You can use browser developer tools to inspect the response headers of the affected page. Open Chrome, navigate to the problematic page, and press
Ctrl Shift I
(Windows/Linux) orCmd Option I
(Mac) to open Developer Tools. Go to the 'Network' tab, refresh the page, and then click on the request that failed. Look under the 'Headers' tab for multiple ETag entries. - Contact the Website Owner or Administrator: Since this error is typically server-side, the best way to resolve it is to inform the website owner or administrator about the issue. Provide them with details of the error and, if possible, a screenshot of the response headers showing multiple ETags.
- Server Configuration Changes: If you have access to the server, you can manually resolve the issue by configuring the server to send a single ETag header per response. This might involve modifying the server's HTTP configuration or the application code that generates the headers.
- Temporary Workaround: If the website owner does not fix the issue promptly, you can try using a different browser temporarily to access the site. However, this is not a permanent solution and should only be used until the server-side issue is resolved.
- Clear Browser Cache and Cookies: Sometimes, clearing the browser cache and cookies can help resolve the issue temporarily. This can be done through Chrome's settings under 'Privacy and security' > 'Clear browsing data'.
What are the common causes of the err_response_headers_multiple_etag error in Google Chrome?
The err_response_headers_multiple_etag
error in Google Chrome is generally caused by the following issues:
- Multiple ETag Headers: The primary cause is the server sending more than one ETag header in the HTTP response. ETags are meant to be unique identifiers for a specific version of a resource, and multiple ETags suggest conflicting information.
- Misconfiguration of Web Servers: Web servers like Apache, Nginx, or IIS might be misconfigured, leading to the server inadvertently sending duplicate ETag headers. This can happen due to misconfigured modules or conflicting server settings.
- Application Errors: If the web application itself is responsible for generating HTTP headers, errors in the application code can lead to the generation of multiple ETag headers.
- Content Delivery Networks (CDNs): If a website uses a CDN, misconfiguration or issues with the CDN can result in multiple ETag headers being sent in the response.
- Proxy Servers: Intermediary proxy servers between the client and the origin server can sometimes alter or add headers, potentially causing the ETag conflict.
Can server configurations help prevent the err_response_headers_multiple_etag error?
Yes, server configurations can play a critical role in preventing the err_response_headers_multiple_etag
error. Here are some ways to achieve this:
-
Review and Correct Server Configuration: Ensure that the server configuration files do not inadvertently cause multiple ETag headers to be sent. For Apache, you can check the
.htaccess
file or the main Apache configuration file for duplicate ETag directives. Similarly, for Nginx, review thenginx.conf
file for any conflicting ETag settings. -
Disable ETag if Not Needed: If the ETag feature is not essential for your website, you can consider disabling it altogether to avoid any potential conflicts. For Apache, you can add
FileETag None
in the.htaccess
file to disable ETag headers. For Nginx, you can setetag off
in thenginx.conf
file. - Centralize ETag Generation: If ETags are needed, ensure that the ETag is generated centrally, either by the server itself or by the application code, to prevent multiple modules or components from generating their own ETags.
- Use Conditional ETag Settings: Some servers allow for conditional settings where ETags are sent only under specific conditions. Configuring these conditions appropriately can help avoid conflicts.
- Regular Audits: Conduct regular audits of your server configurations and application code to ensure that there are no issues that could lead to multiple ETag headers.
Are there any Chrome extensions that can assist in resolving the err_response_headers_multiple_etag error?
While there are no specific Chrome extensions designed solely to resolve the err_response_headers_multiple_etag
error, some extensions can help you diagnose and potentially mitigate the issue:
- HTTP Header Live: This extension allows you to view and modify HTTP headers in real-time. While it won't fix the server-side issue directly, it can help you confirm the presence of multiple ETag headers and understand the problem better.
- Modify Headers: This extension enables you to modify HTTP request and response headers. You could use it to temporarily remove or alter ETag headers to see if that resolves the error, although this would not be a permanent solution and should only be used for diagnostic purposes.
- Requestly: This is a versatile tool that allows you to intercept and modify HTTP requests and responses. It can be used to manipulate headers for testing purposes, potentially helping you work around the issue temporarily.
- Postman Interceptor: Although primarily used for API testing, this extension can capture and display HTTP headers, which can be helpful in diagnosing the ETag issue.
Remember, these extensions are useful for diagnosing the problem and experimenting with solutions but should not be relied upon for a permanent fix, as the root cause of the err_response_headers_multiple_etag
error lies in server-side configurations that need to be addressed by the website owner or server administrator.
The above is the detailed content of How to fix: err_response_headers_multiple_etag error in Google Chrome. For more information, please follow other related articles on the PHP Chinese website!

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