How To Fix ERR_BLOCKED_BY_RESPONSE Error?

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1. Try Common Troubleshooting methods

Sometimes following basic and simple troubleshooting methods can also do the work and you do not have to follow other extensive methods. Just try these simple methods first, if they fail, then proceed to other methods.

• Try accessing the website in incognito mode.
• Try to access the website on alternate browsers.
• Reset or Update your Browser

2. Clear your Browser Cache and Cookies

One of the very fundamental methods that works for majority of the internet errors is to clear browser cache and cookies.

If you are a Chrome browser user, follow the simple steps given below:

Step 1: Go to the settings menu by clicking on the three vertical dots located in the upper right corner of the window.

Step 2: To proceed, select “More tools” and then click on “Clear browsing data”.

Step 3: A pop-up window will appear, where you can select all three options located under the “Basic” section as shown in the picture below. These options include “Browsing history”, “Cookies and other site data”, and “Cached images and files”.

Step 4: Click on “Clear data” to initiate the process.

3. Disable Browser Extensions

You will see in the “Causes of err_blocked_by_response error” section that certain browser extensions or add-ons such as Adblocker can trigger this error. The best way to fix this issue is by finding out the culprit extension and disabling it.

Step 1: Click on the three dots located in the upper-right corner of your browser window.

Step 2: From the menu that appears, select “More tools” and then choose “Extensions.”

Step 3: You’ll see a list of all your Chrome extensions. Follow these actions to improve your browser’s performance:

• Option A: Turn off each extension by clicking the switch next to it.
• Option B: If you want to remove an extension entirely, click “Delete.”

Step 4: To fix the “ERR_BLOCKED_BY_RESPONSE” error, try turning off extensions one by one until the issue is resolved.

4. Reset Chrome Flags

If you are seeing an “err_blocked_by_response chrome” it means the error is specific to your Chrome browser. In this case, you need to check whether Chrome flags are enabled or not and try to reset them.

To reset Chrome Flags to their default settings, follow these steps:

• Open the Chrome browser on your device.
• In the address bar, type chrome://flags and press Enter.
• Locate the “Reset all to default” button at the top of the page and click on it.
• A prompt will appear asking you to confirm the reset. Click on “Reset all” to confirm.
• Once the reset is complete, you will be prompted to relaunch Chrome to apply the changes.

5. Check Resource-blocking network settings on your PC

You can check resource-blocking network settings on your PC by using any of the following ways.

• Temporarily disable Firewalls: You can check if your PC’s firewall or antivirus program causing the issue. You can refer to this method to temporarily disable antivirus or firewalls.

• Temporarily Disable Proxy server settings: If you are using a proxy server, check whether it is causing the issue. You can try temporarily disabling proxy settings and check if the error is showing up.
• Check network congestion: Keep an eye on your network performance as well as monitor the server response time.
• Check your DNS settings: Check and verify your DNS settings are well configured and that your PC can resolve the hostname without any issues.

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Read: 🚩 What is a DNS? How does Domain Name work?

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6. Try using a VPN or Proxy server to bypass Blocking

If your IP address has been blocked by your server admin, you can try using a VPN or Proxy server instead. This will bypass any limitations, restriction, or blocking imposed by your server admin and causes error.

• All you need to do is to download and install a reliable VPN service provider.
• Connect to a server location where the restrictions are not applicable.
• After successfully connecting, try to access the website again.

These VPN or Proxy servers will use Proxy IP addresses rather than yours and bypass any restrictions if any.

7. Check for malware or viruses

Sometimes even malware and viruses can also be responsible for triggering err_blocked_by_response error. The best thing you can do is to use a reliable and trusted antivirus program and conduct a Full scan.

If there is any malware or virus present in your system that can be causing the issue will be easily detected and you can take proper action accordingly.

8. Reach out to your web admin

You can also reach out to your website admin with all the necessary information., They can check out the website’s server and help you fix any server-related errors that might be triggering the err_blocked_by_response error.

In addition to that, they can even check if your IP address has been blacklisted or if it was the recent security updates that could not allow you to access the resources.

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Solutions for Webmasters or Web admins

However, if you are a webmaster, follow these troubleshooting methods below:

9. Ensure accurate and matching MIME-type

If you are a web admin or webmaster, make sure that you have configured accurate and matching MIME type of resources that the user is requesting from your server.

To make this happen follow these steps.

• The first thing you need to do is to determine the exact MIME type of resource the users requested from the server.
• Configure the MIME type settings on the server and update it. If your website is on Apache server you need to add the following line to the .htaccess file.

AddType application/octet-stream .extension

Now in the above line, you have to replace the “extension” part with the extension type of the resource your users are requesting.

• After successfully making changes save the file and restart the web server.
• Immediately ask your users to clear their web browser’s cache and cookies and then try accessing the website.

10. Allow loading of resources from different origins

To fix the err_blocked_by_response error and allow your users to see the resources from other origins, you need to make some changes to CORS settings. This will enable the loading of resources from different origins.

For this, you have to add CORS headers as per the response. Here are some steps you need to follow.

• The first thing you need to do is install an Apache HTTP server compatible with your operating system.
• Add “LoadModule proxy_module modules/mod_proxy.so” and “LoadModule proxy_http_module” that will activate the “mod_proxy” and “mod_proxy_http” modules.
• Now Add a reverse proxy configuration in the same file as per the guidelines mentioned below

The path that needs to be proxied: “/your_relative_path”

Target Server’s address as well as the resource’s location that is to be proxied: “http://absolute_path_of_your_application/your_relative_path”

• Add the appropriate CORS header as shown below to the reverse proxy’s configuration section.

Header add Access-Control-Allow-Origin “*”
Header add Access-Control-Allow-Headers “origin, x-requested-with, content-type”
Header add Access-Control-Allow-Methods “PUT, GET, POST, DELETE, OPTIONS”

• After that restart the Apache HTTP server and check if the reverse proxy settings are working or not.
• In case, the reverse proxy server is not already running on a production server configure the production server with reverse proxy.

11. Contact your Web hosting provider

In case, if none of the above troubleshooting methods work for you, the last hope left for you is to contact your Web hosting provider and ask them for help.

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Conclusion

No doubt, any sort of error you encounter while accessing a website on your browser can be irritating and frustrating. Similarly, the err_blocked_by_response error is not different. But the point is, how you can fix these types of issues?

The answer is simple and easy, all you have to find out the exact cause of the issue and then follow the above working troubleshooting methods mentioned in this post.

Here is a summary for you.

• Try Common Troubleshooting methods
• Clear your Browser Cache and Cookies
• Disable Browser Extensions
• Reset Chrome Flags
• Check Resource-blocking network settings on your PC
• Try using a VPN or Proxy server to bypass Blocking
• Check for malware or viruses
•  Reach out to your web admin
•  Ensure accurate and matching MIME-type
• Allow loading of resources from different origins
• Contact your Web hosting provider

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