How to Fix WordPress Error ERR_SPDY_PROTOCOL_ERROR

If you landed on this page it means that you are having issues with your WordPress site or site similar. Every time you are working on your site, it abruptly stop working and tell you that your site cannot is not available and show the error ERR_SPDY_PROTOCOL_ERROR.  I was having that very same issues. After a week having to continually restart my browser each time this happen, I decided to research it.  At first, I thought it had to do with my WordPress setting or because of a new plugin I installed, but it wasn’t the case. I host my site with [eafl id=”389″ name=”SiteGround” text=”SiteGround”], and I thought it could have been a back end error on the server side, but it wasn’t the case as well.

Wordpress Error ERR_SPDY_PROTOCOL_ERROR - The Newest Factor

I am not sure if this also occurs in Internet explorers, but it happened as I was using Google Chrome. The error may look similar to that image above. The actually issue was the website cookies!  Here are the steps to fix this issue.

Steps to Fix the Error:

We are going to clear the chrome’s cookies and data then restart the browser. (you can skip step 1 & 2 by opening a new browser tab and type “chrome://settings/” and hit enter)

  1. Click on the Google Menu (located at the top right of the browser, usually loos like 3 vertical dots)
  2. Click on Setting
  3. Scroll all the way down and click “Advanced
  4. Under “Privacy and security”  click on “Clear browsing data – Clear history, cookies, cache, and more”
  5. On the “Clear browsing data” popup, make sure only “Cookies and other site data” is selected.
  6. For the “Time range” at the  top, select the time range based on when this issue started.  (for me I selected ‘Last 4 weeks’ since that is when it started.)
  7. Once all is check and set, click on “CLEAR DATA” 

After you completed step 7, make sure you close all your browsers. Then go back in log into your WordPress site. It shouldn’t give you that error anymore. It definitely worked for me. If you continue to have issues; put a comment below and I will follow up with you.

No more Wordpress Error ERR_SPDY_PROTOCOL_ERROR!



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2 thoughts on “WordPress Error ERR_SPDY_PROTOCOL_ERROR Fix

  1. It only seems to have started happening to me with SiteGround. When I was on GoDaddy, this did not happen. Now it happens constantly, and there is an error that continues to randomly happen to the customer’s end as well, where they cannot load the webpage. It is hard to get a screenshot from them, but when we do, it will definitely help pinpoint what they are seeing. We do have caching on the website, but even after clearing my data and all of that, the problem still pops up occasionally. It’s happening right now, which is why I’m searching, but I know it will just take some time to fix. The issue is that we don’t have customers that are going to continuously try to order from the website – they will just go somewhere else with a working website, because everything is interpreted as face value and first impression, of course.

    1. Are you using Chrome or Internet Explorer? Well with Siteground, your actual website doesn’t go down when you see that error. Your website will still be up. I think it’s something going on with Chrome. It times you out of your account. I would recommend you use IE until this issue is fix.

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