Google Chrome Error Code ERR_BLOCKED_BY_RESPONSE: How to Fix It

Q: What causes ERR_BLOCKED_BY_RESPONSE error in Chrome?

This error is caused by Chrome's Cross-Origin Read Blocking (CORB) security feature, which prevents websites from loading resources from other domains when proper CORS headers aren't configured. It protects against malicious cross-site attacks but can block legitimate requests if the server isn't properly configured.

Q: Is ERR_BLOCKED_BY_RESPONSE error dangerous?

No, this error is actually Chrome protecting you from potentially malicious content. It means Chrome blocked a request that could have been a security threat. The error itself is not dangerous, but it may prevent websites from functioning properly.

Q: Can I permanently disable CORB in Chrome?

While you can temporarily disable CORB using command line flags, it's not recommended as it removes important security protections. Instead, website developers should fix their CORS configuration to properly allow cross-origin requests.

Q: Why does this error only happen in Chrome and not other browsers?

Different browsers implement cross-origin security policies differently. Chrome's CORB is particularly strict to enhance security. The same website might work in other browsers that have less restrictive policies, but this doesn't mean Chrome is wrong - it's being more secure.

Q: Will clearing my browser data fix ERR_BLOCKED_BY_RESPONSE?

Clearing browser data can help if the error is caused by corrupted cache or cookies, but won't fix server-side CORS configuration issues. If clearing data doesn't work, the problem is likely with the website's server configuration rather than your browser.

Abstract

The ERR_BLOCKED_BY_RESPONSE error occurs when Chrome's Cross-Origin Read Blocking (CORB) security feature prevents a website from loading external resources. This error typically happens when websites try to access data from other domains in a way that violates browser security policies, protecting you from malicious cross-site attacks.