Internet is full of new things, every day we come across something new on the web whether it is some kind of knowledge or errors.

ERR_SPDY_PROTOCOL_ERROR mostly comes when browsing popular sites like Reddit, Gmail, Facebook, Tumblr, Youtube and much more.

This err spdy protocol error usually appears on https site. But that’s not the problem with their site. This error has to be solved from our end.

In this post you are going to learn how to fix ERR_SPDY_PROTOCOL_ERROR in chrome step by step with no step skipped.

But first we have to know what actually this error is.


SPDY is a protocol of chrome browser which was developed by Google to load web pages much faster and to improve the security of the web. But after the HTTP 2 vulnerability Google stopped supporting SPDY Protocol in 2016.

Why This Error Occurs:

This error mostly comes when you are using an old version of Chrome or Due to Antivirus is blocking your Firewall connection.

First Check if you are using an updated version of Chrome or not, if you are still having this error with the new version of chrome browser then below are the solutions of this error.

How to Fix ERR_SPDY_PROTOCOL_ERROR in Chrome Browser:

Follow the simple steps to fix ERR_SPDY_PROTOCOL_ERROR in Chrome.

Now visit the site you were having error earlier, It will open the webpage successfully.

Also Read: How to Solve This Webpage has a Redirect Loop in Chrome

Important: if the above method works for you then you don’t have to try any other method like the one given below, if your problem is not solved yet then you can try the method given below.

Now your error will be gone.

If you are using Avast or any other antivirus then make sure you add that website in web shield exclusions.

To do that open Avast and go to Settings then go to components > Web Shield and click customize. Add that site in the exclusions.

Tip: Enable HTTPS scanning in main settings of Web Shield.


I hope this article helped you and was able to solve ERR_SPDY_PROTOCOL_ERROR in Chrome.

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