HTTP Status Code 504

A 504 Gateway Timeout error indicates a communication issue between two servers. When you try to visit a website, your browser contacts a web server to retrieve the content. Sometimes, that web server needs to get information from another server, like a database or an API.

A 504 error occurs when the first server (the gateway) waits too long for a response from the second server (the upstream server). This can happen for a few reasons:

• The upstream server is overloaded or down for maintenance.
• The servers are having network connectivity issues.
• The gateway itself is malfunctioning.

In most cases, a 504 error is a temporary problem on the website's side. There isn't much you can do to fix it yourself, but you can try refreshing the page or visiting the site again later.

Other 5xx Status Codes

• 500 Internal Server Error
• 501 Not Implemented
• 502 Bad Gateway
• 503 Service Unavailable
• 504 Gateway Timeout
• 505 HTTP Version Not Supported
• 506 Variant Also Negotiates
• 507 Insufficient Storage
• 508 Loop Detected
• 510 Not Extended
• 511 Network Authentication Required
• 521 Web Server is Down
• 525 SSL Handshake Failed