Introduction

There is nothing more frustrating than starting a job, either opening a webpage or installing the software, you encounter a white screen or we can say an error. Where you don't know how to troubleshoot the error or to fix the error. All you know is the error code without any specific cause of error.

These errors are responsible for the loss of revenue, the loss of visitors, and a bad reputation.

What is the 504 Gateway Timeout Error?

Before diving into the more details of what are the Causes of occurrence of 504 error. Let's first understand what is exactly 504 errors. A requirement for resources on a website results in the request being forwarded to the server on which site is hosted, this server processes the request and send back the response. In case of 504 Gateway timeout error, the server acting asT a gateway timed out while waiting for resources from another server.

504 Gateway Timeout Error Variations

Due to the variety of browsers, operating systems, and servers available, there can be many variations of the 504 Gateway Timeout Error. They all have the same meaning only the syntax is different.

Here is a snapshot of how 504 error looks on Quora.

Below are just a few variations of the 504 error code.

• 504 Gateway Timeout
• HTTP Error 504
• HTTP Error 504 Gateway Timeout
• Nginx 504 Gateway Timeout
• HTTP 504
• 504 Error
• Gateway Timeout(504)
• A blank white screen

What are the Causes and Fixes for 504 Gateway timeout Error?

From where you should start troubleshooting the error? Without prior understanding of the error, you will be caught in a vicious circle of troubleshooting, looking here and there to find the cause of the error. Checkout the common Causes and Fixes for 504 Gateway Error.

Here are a few things that you can try:

1. Retry your webpage.
2. Restart all your network devices.
3. Check proxy server settings in your browser or application.
4. Change your DNS servers.
5. Contact your website directly.
6. If the above fixes don't help, below is the list of platform specific Causes and Fixes.

Fixes of 504 error for different platforms

We have constructed a list of Causes and Fixes for various platforms like-

1. Wordpress
2. Websites
3. Prestashop
4. Magento
5. Nginx

Wordpress

There is nothing more irritating in the world when your site displays a blank screen. 504 Bad Gateway Error is one such error. Today, we are going to discuss top 9 Causes and Fixes for 504 error.

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Refer How to Fix 504 error in Wordpress for step by step guide on ways to fix 504 error.

Websites

One web server error that occurs in high traffic servers is 504 Gateway Timeout error. In web server setup like Nginx in the frontend and Apache in the backend, 504 error can occur when there is a delay in response from one server to another server. Checkout the various Causes and Fixes for 504 error.

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Refer How to Fix 504 error in Websites for step by step guide on ways to fix 504 error.

Prestashop

Website owners face this error while downloading and installing a new version of Prestashop. Today, we will discuss top 6 Causes and their Fixes for 504 error.

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Refer How to Fix 504 error in Prestashop for step by step guide on ways to fix 504 error.

Magento

Mostly, 504 Gateway Timeout error in Magento occurs due to the following 2 reasons-

1. The firewall drop
2. The origin server is down

Let's discuss some scenarios in which this error occurs.

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Refer How to Fix 504 error in Magento for step by step guide on ways to fix 504 error.

Nginx

Nginx is an open-source, high performance HTTP web server. It is used for serving web pages, as a reverse proxy, caching, load balancing and more. Checkout Causes and Fixes for 504 error in Nginx.

Refer How to Fix 504 error in Nginx for step by step guide on ways to fix 504 error.