A 504 Gateway Timeout Error: What Is It?

When a server attempting to load a webpage does not receive a response from another server in time, a 504 Gateway Timeout Error is generated. The issue is almost always on the website itself, and your only option is to try again later. However, you can attempt a few quick fixes on your end. 

An error 504 gateway timeout: what is it?

If you see a 504 Gateway Timeout error, it means that the web server trying to download the content for users did not receive a timely response from the secondary server. It was requesting content from. Since that is the HTTP status code that the web server uses to identify that type of issue, it is known as a 504 error. There are a variety of potential causes for the problem. But the two most frequent ones are a server that is overloaded with requests or one that is undergoing maintenance. 

Website designers can alter the appearance of a 504 error page. Consequently, 504 pages on various websites may have a varied appearance. Additionally, websites may refer to this issue under somewhat different names. For instance, you might observe the following:

  • Error: Gateway Timeout.
  • Gateway Timeout
  • HTTP code 504 (504).
  • 504 Error 
  • 504 Gateway Timeout.
  • 504 – Gateway Timeout
  • an HTTP error.

Remembering that the 504 error is a server-side issue is crucial. This indicates that the problem is with the website you are attempting to view rather than your computer. The news is both good and awful. It is good news that nothing is wrong with your computer, but it’s bad news since, in most cases, there is not much you can do to fix the issue. 

A 504 Gateway Timeout Error
A 504 Gateway Timeout Error

Methods that the users can attempt to fix this.

You can find it difficult and burdensome to resolve a 504 Gateway Timeout problem if you don’t know all the specifics of the WordPress site, including the database server, hosting service, third-party extensions, and the volume of visitors it receives.

Given that there are numerous variables at play, we advise you to begin by resolving consumer difficulties, which are rather uncommon, before moving on to resolving connection problems. They are typically to blame for 504 errors.

Method 1: Reload the page.

A 505 mistake, as we previously discussed, denotes a transient issue, and in some cases, that issue is quite temporary. For instance, a website may be experiencing traffic overload. Refreshing the page is therefore always worthwhile. The majority of browsers have a Refresh button on the address bar as well as the F5 key for browser refresh. Although it rarely resolves the issue, it just takes a moment to try. If the problem happens when you are making a payment, be especially careful. Keep in mind that refreshing the page can result in a double charge.

Method 2: See if the website is unavailable for other users.

You may also see if other individuals are encountering the very same connection issues as you anytime you are unable to access a website (for whatever reason). There are many tools available for it though, but our favorites are downforeveryoneorjustme.com and isitdownrightnow.com. Both operate essentially the same. You will get such a piece of helpful information about a given to this after entering the URL you want to inspect.

There is not much you can do if you receive a report that the site is unavailable for everyone, other than to try again later. If the assessment indicates that the website is operational, then the issue may lie with you. Although it is extremely unlikely, you can attempt some of the solutions we discuss in the following sections if you receive a 504 error.

Method 3: Switch Off Your Devices and then restart the device.

You have thus utilized a site-checking tool to ascertain that the website is just unavailable to you. You have tried using a different browser, but the issue persists. This indicates that while the issue might be on your end, it is not a browser issue. It is likely that your computer or networking apparatus has some odd, transient problems (Wi-Fi, router, modem, etc.). Your computer and your networking equipment can both be restarted to potentially solve the issue. Another option is that the error stems from a DNS problem, but the DNS server, not your machine, is to blame. In that scenario, you can experiment with changing DNS servers to see if the issue is fixed.

Method 4: Message the website

You can also get in touch with the website’s owner directly. Find their contact information on the website and get in touch with them regarding the disputed page. If there is not one, try contacting the website via its social media accounts.

Method 5: Substitute Later

The only option left even when you have done all the suggestions above but are still receiving a 504 error is to wait and try again later. There are only a few alternatives you can try because the issue is not with your machine. It is likely that the culprits are already on the case and will correct it quickly. When you have some time, come return to the website. The likelihood of the error being fixed by then is high.

Method 6: Automatically block the CDN on your website

Your content delivery network may occasionally also be the source of the problem (CDN). Most CDNs will attempt to provide the entire webpage from their cache in the event that a site’s originating server cannot be contacted. But because it is difficult to buffer changeable resources on most websites, the majority of CDNs do not use this option by definition (e.g. the WordPress admin dashboard). Disabling your CDN for a while is an easy method to solve this problem. You can test refreshing your site by deactivating the free CDN Enabler WordPress plugin, for instance, if you use it to bind your website contents to CDN URLs.

The same is true when utilizing any additional plugins to access your CDN (e.g. WP Rocket, Breeze, W3 Total Cache). You can remove the plugin via SFTP by altering the plugin’s destination folder if you are unable to enter your site’s admin panel. Between their edge servers and your origin server, CDNs with full proxy services like Cloudflare or Sucuri have additional firewalls. As a result, when employing them, HTTP 5xx problems might pop up more frequently. It is simple to troubleshoot them because the majority of them cache the 5xx problems your origin service provided. A 5xx issue frequently appears when using Cloudflare’s free plan. Since it is a full proxy service, there is sadly no easy way to turn it off. Before you point the finger at Cloudflare, you should be aware that it displays two different 504 Gateway Timeout errors.

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Your network of content delivery may occasionally also be the source of the problem (CDN). Most CDNs will attempt to provide the entire webpage from their cache in the event that a site’s originating server can be sometimes contacted. But because it is difficult to buffer changeable resources on most websites, the majority of CDNs do not include this option by default (e.g. the WordPress admin dashboard). Disabling your CDN for a while is an easy method to solve this problem. You can experiment with refreshing your site by deactivating the free CDN Enabler WordPress plugin, for instance, if you use it to bind your website contents to CDN URLs. The same is true when utilizing any additional plugins to access your CDN (e.g. WP Rocket, Breeze, W3 Total Cache).

You can disable the plugin via SFTP by altering the plugin’s destination folder if you are unable to visit your site’s admin panel. There are additional barriers between the edge devices of CDNs like Cloudflare and Sucuri, which offer full proxy services, and your origin server. As a result, employing them may cause you to experience HTTP 5xx failures more commonly. Since the majority of them, are cache 5xx problems issued by your origin server, troubleshooting them is simple. The free version of Cloudflare frequently generates a 5xx error. However, there is no easy method to disable it because it is a full proxy service. Be aware that Cloudflare displays two different 504 Gateway Timeout errors before you point the finger at them.

Cloudflare 504 Gateway Timeout (Variation 1)

When the originating server for your website returns with a typical HTTP 504 result, Cloudflare will display a customized 504 Gateway Timeout error display. Your HTTP server is the problem in this case, not Cloudflare. You can try resolving it with the other suggestions listed below or ask for technical assistance from your cloud provider.

Cloudflare 504 Gateway Timeout (Variation 2)

The warning page will indicate “Cloudflare,” which would be presently the default site identity for all Cloudflare resources. If Cloudflare is to blame for the 504 Gateway Timeout problem. The warning message will typically look like this: You would not see any Cloudflare-branded error screens here because Cloudflare is currently inaccessible. It is probable that Cloudflare has already been cognizant of the issue and is attempting to resolve it. By looking at the Cloudflare System Status website, you may verify this. As an alternate, you can contact Cloudflare support for a quicker fix.

Massive Uploads at Cloudflare Caused a 504 Gateway Timeout. 

The website kneel downs may also be caused by the size of your site’s uploads. On both the Free and Pro plans of Cloudflare, the maximum upload file size (per HTTP POST request) is merely 100 MB. The problem could be also related to Cloudflare or with your provider. By using your DNS hosts file to go around Cloudflare and retrying your download, you can determine the specific problem. I advise utilizing their complimentary extension and avoiding crucial URLs from the cache if you use Cloudflare with WordPress (such as the WordPress admin dashboard). 

Method 7: Bots, DDoS attacks, or spamming

By submitting too numerous and/or sources of energy requests, cyber hackers can cause your web server to sputter. Bot advertising or a DDoS assault on your website can overwhelm your server and cause many legitimate users to get 504 Gateway Timeout issues. To determine if you can identify any strange trends in the website visitors. You can check your server traffic and analytics. By visiting your MyKinsta Analytics dashboard, you can quickly examine this information if Kinsta is hosting your website. Begin by taking a glance at the most popular client IPs.

You will have a better picture of who and where creates the most queries by doing this. This report will be very helpful if your server suddenly consumes a lot of broadband or receives a lot of traffic. You can then review the report on Cache Analysis. Also, you can check however many responses are being given from the caching or avoiding it in this area. You really would like to archive as many queries as you can for performance and stability reasons. But sometimes it is feasible to do so. For instance, WooCommerce sites produce a lot of requests that cannot be cached. Such as those for the shopping cart and the checkout procedure.

Last but not least, you can utilize a WordPress security plugin to strengthen the security of your company by identifying and banning unsettling traffic/IPs. You can also request that your host ban a certain IP range. The procedure of delisting IPs could never stop because many attackers change their IP and proxy connections after being blacklisted, based on the scale and scope of the operation. Note: Because WordPress security extensions can significantly affect the site’s performance, particularly its scanner capability, Kinsta does not really permit its customers to install them. Blocking IPs might not always function as expected because Kinsta employs load balancers with the Google Cloud Platform. You can defend your websites from DDoS attacks and spambots by utilizing specialized security mechanisms like Cloudflare or Sucuri. 

Method 8: Evaluate the Plugins and Themes on Your Website

Also, Third-party plugins and themes typically do not result in 504 issues. However, there is a remote possibility that they could result in server timeouts, often by queuing up numerous uncached requests sent by the plugin or theme. This can result in 504 errors because it uses up many PHP workers on your server. WooCommerce, a component added to the WordPress website to add shopping capabilities, is a fantastic illustration of this problem. Temporarily disabling all of your extensions is the quickest way to resolve this issue. Keep in mind that if you just disable a component, no data will be lost. You can head to the Extensions panel, choose Deactivate from the bulk actions menu, checkmark every plugin, and then click the Apply button if you can reach your dashboard.

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Your extensions will all be disabled as a result. And using the previously mentioned technique, you can disable plugins via SFTP if you are unable to reach your admin area. To disable all the plugins at once, simply change the name of the primary plugin folder. After all the plugins have been disabled, check to see if your website is loading correctly. If it functions, you must enable each plugin, checking the website after each one is enabled. Next, make absolutely sure that WordPress core, extensions, and themes are all current. Additionally, make sure PHP is set up on your server using the required edition. The worst-case problems, such as an ineffective inquiry or poor coding in a component or theme, can be fixed by hiring a Software development company.

Method 9: Network Problems (Check With Your Host)

Another of the most frequent causes of a 504 Gateway Timeout error is server problems. As Nginx or Apache web servers, which power the majority of WordPress websites, are waiting for a response from someone, Nginx or Apache is stalling out. For precisely this issue they are experiencing at another WordPress hosting. Given the large number of uncacheable responses produced by high-traffic and e-commerce websites, these companies are now more likely to receive 504 errors because of server overloading. Nonetheless, this problem can arise on any website, even small blogs. Many servers will request that you switch to a high-tier plan in order to resolve the problem, although this is typically not essential. The majority of WordPress hosts that offer dedicated server packages lack this option. As a result, your page may also display a 504 error if it shares a server with a busy website.

In addition to keeping each site separate in its containers,  Since there is no latency between the machines, queries run more quickly and timeouts are less likely. A service downtime can have other causes besides an overwhelmed server. The 504 error could be also caused by numerous other factors:

Technology for slow servers.

Your WordPress website’s hosting server could not have sufficient capacity to handle the load. It really is comparable to enjoying a contemporary, graphically demanding videogame on a PC from a decade ago. When the server tries to provide the website, it simply picks up the phone. Only upgrading to a server with better infrastructure will solve this issue. 

So many PHP Workers are necessary.

PHP individuals are also hired to run the code on your WordPress website. A simple blog that receives the same amount of traffic does not use nearly as many facilities as an eCommerce site with 50,000 monthly visitors. The PHP workers on the website will create a backlog when they are all in demand. Old connections are ignored by the host so when the list is too full, which might also result in a 504 gateway error. You can inquire with your host about adding more PHP workers. Your website will be able to process several inquiries at once thanks to this. 

Firewall Problems

Your server’s firewall may have flaws or conform figured incorrectly. It really is possible that a couple of its constraints hinder the server from correctly setting up a connection. You can look through the log file on your computer to determine whether your firewalls are to blame.

Issues with Internet Connectivity

HTTP responses to queries could take longer to process if there are communication problems between both the remote server and the server software. You may experience problems with internet connectivity if you utilize a network interface. 

Suspensions on HTTP

When communication between both the web server and the customer is kept open for much too long, HTTP commercial breaks might happen. This typically occurs while executing WordPress exports on WordPress sites. Changing to a faster internet connection is one option to remedy this problem. To completely avoid the HTTP connectivity. You could also employ a tool that supports WP-CLI to perform the programs immediately on the client. For illustration, you may execute the WordPress Importer plugin straight from the function interfaces with the wp import WP-CLI function. 

Important: Problems with the code 504 Gateway Timeout resemble those with the code 503 Service Unavailable or 502 Bad Gateway. But each one is unique. You can employ a service like updown.io to independently analyze the downtime of your website. By making an HTTP request to any URL, it will frequently assess the state of your webpage. You have a choice of setting the monitoring interval between 15 and 1 hour. Your website will send you an email or an SMS to let you know when it is not working properly.

All memberships at updown.io come with a substantial amount of complimentary points, although if you are seeking less expensive options, you might want to choose WebGazer or UptimeRobot. You may check the availability of your site using one of these services completely free every five minutes. That will do for the majority of online marketers. You may determine how frequently your page is unavailable by watching it. This seems to be incredibly beneficial if your internet service is also sharing. The majority of managed WordPress hosting handles this for you seamlessly. Consequently, it is usually advised to follow them.

More information on 504 Gateway Timeout.

The 504 Gateway Timeout server error response code for the HyperText Transfer Protocol (HTTP) signals that the website while serving as a doorway or gateway. One did not receive a reaction from the downstream domain controller in time for it to finish the query. The term “Gateway” can apply to a variety of things in communication. And you often could not fix a 504 problem; instead, the web server or the proxies you are attempting to contact must correct it.

One of the most frequent HTTP 5xx faults encountered by website owners and site visitors is the 504 Gateway Timeout error. Understanding how to resolve server issues like these is essential for many WordPress blogs and e-commerce platforms to prevent their hard-earned visitors from leaving and visiting rival websites. It is challenging to determine what is causing the server timeout because the 504 Gateway Timeout error does not explain why it happened. This article will assist you in fully comprehending it, discovering its root cause, and fixing it.

The web server that houses the website receives a query from your browser each time that you visit a website. The server responds with the requested resources after processing the request. One of the numerous HTTP status signals is included in the response message to let the browser know how the response is progressing. However, not every HTTP status code indicates a problem. For instance, a 200 OK status code indicates that “Everything will Be ok” and that the server handled the request correctly. The 5xx class of HTTP status codes denotes that the server is experiencing a problem, and is aware of the problem. And is unable to fulfill the client’s request. They are sometimes known as Server Error 5xx status codes as a consequence.

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Five position symbols are specifically recognized underneath the 5xx class (500, 501, 502, 503, 504). You might also come across a lot of unofficial codes (506, 507, 509, 520, etc.).

The 504 Gateway Timeout error is defined as follows by the Internet Engineering Task Force (IETF): The 504 (Gateway Timeout) status code signifies that the upstream website the service required to visit in order to process the operation did not respond to the demand in a reasonable timeframe although the server was serving as a gateway or bypass.

To even further streamline, this problem occurred when demand is being handled by two servers. While awaiting an answer from the second server, the first server (usually the primary server) expires (the upstream server). 

There are several ways that the 504 Gateway Timeout error can appear. 

We will also look at a few socially appropriate ways it manifests itself. The 502 Bad Gateway error, denotes that the first server received an erroneous response from the second server. And the 504 Gateway Timeout error is identical (upstream server). Any 504 Gateway Timeout issue is shown inside the browser, just like any other problem. It can manifest itself in numerous ways due to the diversity of operating systems, web servers, browsers, and user agents. Here are a few typical 504 error message variations you might encounter:

  • 504 Gateway Timeout
  • 504 Gateway Timeout
  • 504 Gateway.
  • Error: Gateway Timeout.
  • Error 504.
  • 504: HTTP Error
  • Gateway Timeout 
  • HTTP Error 504 
  • HTTP 504 
  • Error 504 
  • Bridge Timeout (504)
  • This page is not functioning. The domain’s response time was excessive.
  • 504 Gateway Time-out — Server response was delayed
  • The time it took to finish the page request was too great.
  • Website users: Let us consider your request again in a few minutes since there was a problem serving it.
  • Website Owners: A gateway timeout occurred. For additional details, see your error log.
  • A white, blank screen

Despite the variations in wording, each of the aforementioned error messages refers to the same 504 Gateway Timeout server issue. The 504 Gateway Timeout error can be displayed to customers in a variety of ways by web servers and websites. They can be cool in some cases! It is a great strategy to make their guests feel better.

The 504 Gateway Timeout Error’s effects on SEO

The user experience is negatively impacted by all 5xx errors since they prohibit a webpage from loading. Search engines like Google take these mistakes seriously as a result. The website may potentially be deindexed from search engine results if the problem lasts for a long time. For instance, Google crawlers will recognize a 503 Service Unavailability error as a temporary problem. Because it is typically used to enable site maintenance mode. They will so attempt to crawl the website once more later. A 504 Gateway Timeout error can occur for a variety of reasons, thus it is not always transient. The spiders will attempt to serve the page from their cache if your site is down for only a short period of time and they are trying to crawl it several times per minute. It would not even be noticed by them.

However, if your website remains down for six or more hours. Google will view the 504 error as a major site-wide problem that needs to be resolved right away. Your SEO may suffer as a result. One of the greatest SEO tools for tracking HTTP 5xx issues on your website is Google Search Console.

504 Gateway Timeout Error Sources

The 504 error is most likely not related to the client’s computer or internet connectivity because it results from a latency amongst servers. You should also consider your equipment and connectivity. A 504 Gateway Timeout error means that the web server “timed out” after waiting for too long for a response from this other server. There are several potential causes for this latency, including the other server’s malfunction, overload, or downtime. The second server doesn’t always have to be external (e.g. CDN, API gateway). Additionally, it might be a host machine component of the primary web server (e.g. reverse proxy server, database server).

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The Conclusion

The 504 Gateway Timeout error might damage your WordPress website for a lot of different reasons. You discovered how to fix them all in this article. These failures are also caused mainly by server-side problems, in which case you can contact your provider and get it swiftly fixed.

You must really be aware, though, that this issue could also be brought on by faulty multiple databases, third-party extensions, templates, and applications. Or a mix of two or more of these. It is also advised to optimize your site for performance if you are using all of your server’s resources, such as the number of PHP workers. If your company is also still experiencing timing out, you may need to improve your hosting plan or the number of PHP developers. I advise you to only take this option into account after trying every other alternative mentioned in this article.


Do I need to really go through a 504 Gateway Timeout?

They are not the client’s business. Although your demand is valid, the server is unable to produce the shared resource. The 504 Gateway Timeout error means that the additional website your web service was attempting to connect to. In order to display the page did not reply to it promptly.

How can I extend the gateway timeout?

You might want to change the request timeout to 300 seconds, for instance. Furthermore, you must add the directions HTTP or server block for proxy read timeout, proxy connect timeout, and proxy send timeout. The HTTP restriction in this case permits updates to all servers running NGINX.

A bad gateway error is really what?

Why does that matter? When a server receives a 502 bad gateway message, it means that a different server provided an abnormal result. In short, you have established a connection with a temporary device (like an edge server) from which you ought to be able to retrieve all the information required to load the website.

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