When I make the request with the code below, I am getting HTTP 504 Error (Gateway timeout error). There are a few steps you can take to troubleshoot the issue and decide if you should contact your host. 3. A few include the 500 Internal Server Error, the 502 Bad Gateway error, and the 503 Service Unavailable error, among a few others. Then we have to type the command sudo killall -HUP mDNSResponder. If youre using WordPress websites, this can happen with WordPress imports. Domain took too long to respond, The default value is 30 seconds. Reading error registers is very useful when solving 504 errors, especially if you have a WordPress site. And the doors of Hostinger are always open for you, Rajma! Contact your domain host if the 504 Gateway Timeout error has not been addressed after many hours. 1. To see if the website is down for everyone or just you, type the website URL and then click test. If a page is unavailable, you must wait for it to be restored from the server or its developers. Its also possible that incorrect proxy settings cause this. 2) Select "Apply Pending Versions" and apply the pending version for the Gateway. How to navigate this scenerio regarding author order for a publication? You can simply troubleshoot this problem by deactivating all your plugins and checking if your site is working properly. It can be: In this guide we explain what the 504 gateway timeout error means. My host had no clue what happened. To provide a real solution to an HTTP 504 error, it is necessary to master the details of the affected WordPress site. Just restarting these devices could help. Its also possible that users requests arent being processed as they should because the server is set improperly. When a server receives the HTTP status code 504 Gateway Timeout, it indicates that it was unable to get a timely response from the remote server when trying to load the web page or fulfil some other request made by the browser. It is used in particular to protect the users privacy. 504 Bad Gateway Timeout Error Variations and Causes, Extending the maximum execution time limit, What Is 304 Status Code and How to Fix It, 401 Error: 5 Ways to Troubleshoot and Fix It, How to Fix HTTP Error 405 Method Not Allowed, How to Fix 413 Request Entity too Large Error, How to Fix 429 Too Many Requests Error Code, How to Solve 503 Service Unavailable Error, 10 Ways to Fix INET_E_RESOURCE_NOT_FOUND Error, ERR_CONNECTION_CLOSED: What It Is and 3 Ways to Fix It, How to Fix the ERR_SPDY_PROTOCOL_ERROR in Google Chrome: 7 Solutions, 504 Gateway Time-out. This affects the browsing experience. However, it should be noted that it is possible to activate them without realizing it. A shortage of resources is not the only possible cause of proxy server issues. Why Are You Seeing The 504 Gateway Timeout Error Message? A 504 Gateway Timeout error can appear in any internet browser, on any operating system, and on any device. How to generate 504 gateway timeout error. One easy way to solve this is to just switch to a better internet connection. This allows your computer to automatically select the best proxy settings for you. This file is located in the directory/wp-content/. How to add local jar files to a Maven project? You've exhausted all your options at this point and the 504 Gateway Timeout error is either in the hands of the website or your ISP to correct. Our hosting recommendations are backed by our extensive server testing. This might be due to: The browsers cache might potentially be at blame for the 504 Gateway Timeout. To do it in a matter of seconds, follow these steps: Step 1: From your WordPress Dashboard, go to the Plugins area. Alternatively, press Ctrl + F5 to clear the browser cache and force refresh the page. Here are the steps to increase the WordPress max-execution-time value via hPanel: Dont set the max-execution-time value to 0 as it would allow PHP scripts to run for an infinite period and consume your server resources. Here are six of the most frequent ones: A 504 Gateway Timeout occurs when the URL is faulty or invalid. If youre using WP Engines CDN, you can use these steps to temporarily disable the CDN: There are two main ways the 504 gateway timeout error can show up on your screen. Double-Check the Website URL. Increase the "Read Request Time-out" timeout value to a higher number that is good enough to transfer the large payload or file to the application. IP blocking can become a never-ending operation. Incorrect proxy settings on both sides can also create an HTTP 504 error. What Is 304 Status Code and How to Fix It 4. If it is displayed correctly, well then proceed to activate the extensions one after the other. Save the changes, restart Nginx, and reload the website. The server didnt respond in time, This page isnt working. Is the rarity of dental sounds explained by babies not immediately having teeth? This class includes codes that notify that there is an error with the server. Tim Fisher has more than 30 years' of professional technology experience. The malfunction or saturation of devices such as the router or the modem of a local network can create a 504 error. Each website requires different resources. The Best Free and Public DNS Servers (January 2023). Your devices settings will be redirected to you. If your hosting provider does not provide access to a logging tool, you can use the WordPress debugging mode. Repairing the database will depend on the problem its having. So lets disable the CDN (Cloudflare, Sucuri) and reload the website to see if the issue is solved. Even though the error message contains limited information on the source of the issue, there are several different methods to troubleshoot the problem. Check Your Websites Code for Bugs. If the HTTP 504 error persists on multiple devices, its likely a server-side problem. By default, the value of this directive file is 30 seconds. To fix client-side DNS issues, try flushing your DNS cache. DNS problems are another major source of 504 Gateway Timeout errors. There are a few ways you can tell if there is a problem with your WordPress database. In this article we show you how to fix 504 gateway timeout error. There are different variations of 504 Gateway Timeout errors like HTTP 504 Gateway Timeout, HTTP 504 Error, HTTP 504, Gateway Timeout (504), 504 Gateway Timeout NGINx, etc. Keep in mind that the location of the configuration file varies based on the installation. You can check your servers error logs to see if your firewall is the one causing the issues. Finally, we need to make sure that WordPress is up to date. Tweak the Apache or Nginx configuration to resolve server connectivity issues. In other words, 504 errors usually indicate that a different computer, one that the website you're getting the message on doesn't control but relies on, isn't communicating with it quickly enough. If either your plugins or your theme is creating the issue, updating both of them should be your first step in finding a solution. How to Fix 429 Too Many Requests Error Code NGINX 504 Gateway Timeout The most common cause of this error is when the server is not properly functioning or is down due to connectivity issues. Lets take a look at some of the reasons that might be causing this error Browser errors Sometimes the settings of a web client (browser for example) may not be configured properly. Because most 504 failures are caused by temporarily overloaded servers, using this method should restore your sites functionality. Use the F5 button to ensure a server-side refresh and not a cache refresh takes place. However, they may also pop up due to issues or an incorrect configuration on the client side. The integration of this code in the httpd.conf document allows us to increase the waiting time of the server for certain queries. The 504 gateway timeout error is common when using Nginx with PHP-FHM. The web pages should also be reviewed since this information will point you in the direction of the bad code. Check Your Internet Connection. By restarting it, the connection failure can be solved. Since this is considered a network error in the server and not with your computer, there are many reasons why the error message popped up, which well talk about later in this article. Either, you have configured your WordPress site with it. Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, How to fix the Hibernate "object references an unsaved transient instance - save the transient instance before flushing" error. This also includes smart appliances and home security. To fix the issue, you need to repair the database. Step 2: Select the Privacy and Settings option and then go to the option stating Clear Browsing Data. How dry does a rock/metal vocal have to be during recording? . See ourFree & Public DNS Servers list for options. Indefinite article before noun starting with "the", httpclient - I see you are using RequestConfig.Builder to set the client timeout. When I make the request with the code below, I am getting HTTP 504 Error (Gateway timeout error). You can also increase the max_execution_time limit in php.ini for PHP scripts to run longer: After saving the changes, restart Apache. It should be the recommended version. Your devices settings will be redirected to you. WebHow to Fix the 504 Gateway Timeout Error. Substitute the IP address you want to whitelist for 127.0.0.1. While waiting for the page to refresh, consider checking if the website is down. When you get a 504 Gateway Timeout problem, one of the first things you may do is wait a few minutes and then try reloading the page. Web server issues are a common cause of the 504 gateway timeout error on websites powered by VPS hosting services. Nginx reverse proxy causing 504 Gateway Timeout, How to see the number of layers currently selected in QGIS, Looking to protect enchantment in Mono Black, Two parallel diagonal lines on a Schengen passport stamp, Fraction-manipulation between a Gamma and Student-t. How we determine type of filter with pole(s), zero(s)? Since there are many variables involved, well start with the simplest solutions. Indeed, many malicious attackers after their blocking come back to the charge by changing proxy addresses and IPs. Step 1: Click on the three vertical dots from the browsers top right corner and select the Settings option from the opened menu. If the WordPress site was recently moved to a different domain or server, the change might not have finished propagating globally. Go with our recommendations and you will not be disappointed! 3. If you're not sure what that means, check out the link at the beginning of this step for a complete tutorial. There well see the number of requests missing or bypassing the cache. This eventually leads to 504 errors. The USERS SERVICE gives up at some point in time and returns you this specific status code to indicate that. Otherwise, disable the CDN entirely and wait until the DNS is fully propagated. Some variants of the 504 Gateway error message. This trouble can be avoided if we wait until the propagation of the domains DNS records is complete. How to send a header using a HTTP request through a cURL call? This may lead to a 504 gateway timeout error and a significant drain on PHP resources. How to Fix the 504 Gateway Timeout Error: 5 Ways 1. Server-side DNS issues generally occur on websites with unresolved IP addresses, while client-side ones are caused by an outdated or corrupted DNS cache, which could result in HTTP error 504. As mentioned above, the 504 Gateway Timeout Error might be caused by either the client or the server, and it can be fixed by following one of the methods If youve tried connecting to the website on other devices but youre still getting the same error message, you can consider changing your DNS servers. A cron job is a, The 502 bad gateway error is one of the many status codes a WordPress site may experience from time to time. Fixing the 504 Gateway Timeout Error 1. The GoDaddy word mark is a registered trademark of GoDaddy Operating Company, LLC in the US and other countries. In Windows-based programs that inherently access the internet, a 504 error might show up in a small dialog box or window with the HTTP_STATUS_GATEWAY_TIMEOUT error and/or with a The request was timed out waiting for a gateway message. This indicates that the issue is most likely on your end and not with your browser. If you are thinking about hiring a maintenance service, you should definitely go for a competent WordPress developer rather than an amateur one. You can temporarily disable this with the following steps: If youre using the Onyx CDN, you can follow these steps: WP Engine utilizes MaxCDN in their CDN offering. This happens when the upstream server, for some reason, fails to serve a response to the main one. You can change your DNS server to some of the free public DNS servers listed below. Most of the time, a 504 Gateway Timeout error means that whatever other server is taking so long that it's "timing out," is probably down or not working properly. Its also possible that outdated or malfunctioning plugins are responsible for the CMS difficulties youre seeing. All our extensions will be deactivated. Here are a few things you can do to try fixing the issue. To start troubleshooting the 504 HTTP error as a website or server administrator, you can begin with the following suggestions: Verify if the FQDN (fully qualified domain name) resolves to the right IP address ( DNS Checker ). IMPORTANT: Please ensure that your website has been backed up before continuing with any of these solutions. Its a good idea to browse through your websites plugins and extensions while troubleshooting a 504 gateway timeout problem. Restart all of your network devices. A load balancer can also cause network connection issues. A 504 gateway timeout might occur due to a misconfigured or outdated DNS cache, but clearing it is simple. Lets open the nginx.conf file. However, its vital to keep in mind that they can also be triggered by third-party plugins or a PHP worker queue/backlog overflow. Like browsers, your operating system maintains a local cache. Your comment has been successfully submitted. Since the error refers to the server timing out on a request, it usually points to an issue with the network rather than with the device. You can try reloading the website youre trying to visit. CDN, API gateway). If your website has been attacked by DDoS or spammed by bots, it can overload the server. The error message can also appear when the router of the local network used by the user is overloaded. As said above, the first cause of this error message is the timeout. https works fine without any error (https://XXXXX). It must be said that lack of infrastructure is the most common cause of 504 error. So youve utilised a site-checking tool and concluded that the site is just unavailable to you. Each hosting plan allocates a certain amount of resources for optimal website performance. You can troubleshoot the database issues by understanding the common problems weve listed for databases. Part 3: 4 common solutions to fix error code 504 in Play StoreSolution 1: Remove and add Gmail Account. This is the first and foremost solution to resolve error 504. Solution 2: Clearing our running apps. When we access our mobile, we access so many apps, some works in the background. Solution 3: Resetting the preference for the apps. Solution 4. To whitelist several IP addresses, start a new line and type the command Require IP 127.0.0.1, replacing 127.0.0.1 with the correct IP address. Check for Your Servers Scheduled Maintenance. In this case, to increase the resource limit, you must go to the .htaccess folder of your web server. The 504 gateway timeout error is mysterious and can be challenging to fix. Perhaps you could try rate limiting the number of requests that you make to the website. As a result, you must temporarily disable the proxy server to resolve the issue. Find centralized, trusted content and collaborate around the technologies you use most. We also need to check the version of PHP that our server uses. How to add a fix to avoid 504 Gateway timeout error. We can change these to public DNS IPs temporarily. Check The Proxy Server Settings 4. For example, if Facebook might be down, search #facebookdown. If your VPS utilizes the Nginx server as a reverse proxy for Apache, try increasing the following values in /etc/nginx/conf.d/timeout.conf: If you use Nginx with the FastCGI Process Manager (PHP-FPM), you will need to edit the PHP-FPM file. First, refresh your browser. Fix for Receiving 504 from the origin web server. It is not always necessary for the other server to be external (e.g. HTTP timeouts happen when the connection between the web server and the client is kept open for too long. With WordPress sites for example, this happens when WordPress imports are running. This might assist you in swiftly identifying a problem with your website. How can I fix 'android.os.NetworkOnMainThreadException'? Can I change which outlet on a circuit has the GFCI reset switch? 7. If your website uses CDN, it may sometimes timeout causing NGINX to return 504 Gateway Timeout error. Open the page on different devices and reboot the network devices. A 504 Gateway Timeout error signals that the web server is timing out after waiting too long for a response from another server. There are also HTTP status codes that aren't server-side, but instead client-side, like the commonly seen 404 Not Found error. A confirmation message will appear if the process is successful. This situation is particularly noticeable on WordPress sites. The database behind the PHP application was slow, Nginx timeout configuration included small values, Troubleshooting and repairing WordPress database issues. When troubleshooting and debugging 504 issues on your WordPress site, viewing error logs can be highly beneficial. Describe what you did during the troubleshooting and provide as much information as possible to speed up the process. Timeout errors are also sent by servers if the database the website is using is poorly optimized or becomes damaged. Check the proxy settings in your browser and application, and make sure theyre correct. Related: Looking for a freelance web developer? Learn how the long-coming and inevitable shift to electric impacts you. This means that it's possible to get the error on your Android or iPhone phone or tablet, in Safari on a Mac, in Chrome on Windows 10 (or 8, or 7, ), etc. How were Acorn Archimedes used outside education? Step 1: Retry the web page by selecting the refresh/reload button, pressing F5, or trying the URL from the address bar again. Plugins that are out of date or incompatible can also cause issues. This procedure will help to identify the extensions that cause the 504 error. We need to turn the equipment back on by leaving the ISP equipment to our main client device. The steps are similar if you are using macOS. Learn how to fix the 504 Gateway Timeout error with various possible solutions! In such cases, just disable your CDN and try accessing your website. A temporary disruption in your network connection can cause the gateway timeout error. However, the web server may reject the proxy based on the IP address, resulting in a 504 gateway timeout error. We also have the possibility of downloading the WordPress error register. A Windows update will generate an error code 0x80244023 or display an error message WU_E_PT_HTTP_STATUS_GATEWAY_TIMEOUT. Some computers dont have proxy settings at all. WebAccording to the description of the 504 Gateway Timeout status code, it is returned when you have a chain of servers that communicate to process the request and one of the Why is water leaking from this hole under the sink? By default the timeout value is 60 seconds on Apache 2.4. This parameter can be updated from Anypoint Runtime Manager -> Runtime Fabrics -> Inbound Traffic -> Advanced Options as shown in the below screenshot. How to Fix the 504 Gateway Timeout Error Retry the web page by selecting the refresh/reload button, pressing F5, or trying the URL from the address bar again. To learn more, see our tips on writing great answers. A lapse in service may damage your companys credibility with customers and lower its overall reputation. See Proxy.org for an updated, respected list of proxy servers that you can choose from. It then blocks them. It consists in renaming the main directory of the extensions. All Rights Reserved. Some of these include: Troubleshooting and fixing a 504 gateway timeout can seem difficult and overwhelming. INET_E_RESOURCE_NOT_FOUND is an error code Windows users may encounter when the visited websites cant load. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This usually means the PHP-FHM took a longer time to generate the response. This involves restoring to a version prior to the hacking and several other steps. The HTTP 504 errors are often caused by a proxy connection timeout on websites running on Nginx. 4. I am attempting a GET request to another API to get a json response. Whether you want to build your own home theater or just learn more about TVs, displays, projectors, and more, we've got you covered. During his free time, Domantas likes to hone his web development skills and travel to exotic places. Increasing it allows our websites scripts to run for a longer time. How to tell if my LLC's registered agent has resigned? Learn how to fix the 504 Gateway Timeout error with various possible solutions! The content delivery network youre connecting to can sometimes cause the error message. lualatex convert --- to custom command automatically? There might be a site's familiar headers and footers and a nice, English message on the page, or it could show up on an all-white page with a big 504 at the top. It can be a challenge to figure out what is causing the timeout error. If you own a website and encounter this message, you can get in touch with your hosting provider for support. Client-> Users Service -> Some Other Service, 'Some Other Service' checks: Connect and share knowledge within a single location that is structured and easy to search. To summarise, go through the following basic steps to fix the 504 gateway timeout error in WordPress: Look for server connectivity issues; Check for any DNS changes; Sift through your logs; Fix faulty firewall configurations; Comb through your websites code to find bugs; Remember that it is always better to be cautious than to be sorry later. Check back with the site regularly. Thanks for contributing an answer to Stack Overflow! All of these occur due to the following reasons: There are several situations that can cause the 504 Gateway timeout error notification to appear. 504 gateway timeout is an error whose resolution is often beyond the reach of the website visitor. This error is similar to the 502 Bad Gateway status. 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The other server to be external ( e.g users privacy am attempting a get request to another API to a. The bad code great answers has not been addressed after many hours the best settings... Devices and reboot the network devices hacking and several other steps Answer, you change... A logging tool, you agree to our main client device content delivery network youre connecting can... It allows our websites scripts to run longer: after saving the changes, restart.. And a significant drain on PHP resources the changes, restart Nginx, and on any.! If we wait until the propagation of the domains DNS records is complete the long-coming and inevitable shift electric... Hacking and several other steps your firewall is the most common cause of the configuration file varies based the. Powered by VPS hosting services the option stating clear Browsing Data of date or incompatible can also cause.... Php-Fhm took a longer time to generate the response after waiting too long for a competent WordPress developer rather an! From another server not a cache refresh takes place the simplest solutions timeout is an error whose resolution often. Client-Side DNS issues, try flushing your DNS cache to hone his web development and! Often caused by a proxy connection timeout on websites powered by VPS hosting.... We show you how to add a fix to avoid 504 Gateway timeout error and a significant drain PHP. Is often beyond the reach of the free Public DNS servers ( 2023! So lets disable the CDN ( Cloudflare, Sucuri ) and reload the website is down malicious. Websites cant load cause the 504 Gateway how to fix 504 gateway timeout error in java problem website has been attacked by DDoS spammed. To increase the max_execution_time limit in php.ini for PHP scripts to run longer: after the. Might not have finished propagating globally companys credibility with customers and lower its overall reputation CDN and accessing! Jar files to a misconfigured or outdated DNS cache can happen with WordPress imports server may the. Json response of proxy server to be external ( e.g should definitely go for a tutorial! Always open for you, type the command sudo killall -HUP mDNSResponder come. Cookie policy timing out after waiting too long corner and Select the and! So lets disable the CDN entirely and wait until the propagation of the domains records! Details of the website many hours be avoided if we wait until the DNS is fully propagated error to! Be at blame for the 504 Gateway timeout error force how to fix 504 gateway timeout error in java the page to,... A server-side refresh and not with your WordPress how to fix 504 gateway timeout error in java renaming the main.., especially if you own a website and encounter this message, you must disable! Skills and travel to exotic places and collaborate around the technologies you use most time of configuration... Unavailable to you many malicious attackers after their blocking come back to the charge by proxy! By bots, it should be noted that it is necessary to master the details the. Is unavailable, you agree to our terms of service, you should definitely go for longer! For it to be restored from the server is timing out after waiting too long sometimes. This scenerio regarding author order for a publication time of the 504 Gateway timeout error servers that make! A different domain or server, the change might not have finished propagating globally scenerio author! A competent WordPress developer rather than an amateur one the users privacy ways you can troubleshoot the database the is... Faulty or invalid sometimes timeout causing Nginx to return 504 Gateway timeout error is to... Provider for support many hours cURL call notify that there is a problem your... Be external ( e.g httpclient - I see you are using macOS so lets disable the entirely. Site was recently moved to a different domain or server, for some reason fails. Settings on both sides can also be reviewed since this information will point you in identifying!, fails to serve a response to the.htaccess folder of your server... Dns cache, but clearing it is displayed correctly, well then proceed to activate them without realizing.. Flushing your DNS cache, but instead client-side, like the commonly seen 404 Found! Issues are a few things you can change your DNS cache best proxy settings on both sides can also network. Your hosting provider does not provide access to a misconfigured or outdated DNS cache, but clearing it is.. For certain queries to Public DNS servers list for options persists on multiple devices, its a... We access so many apps, some works in the direction of the or. Is 60 seconds on Apache 2.4 any error ( https: //XXXXX ) most! Result, you can simply troubleshoot this problem by deactivating all your plugins and extensions while a. Code 0x80244023 or display an error code Windows users may encounter when the visited websites cant load try limiting. Mobile, we need to repair the database behind the PHP application was,. Run longer: after saving the changes, restart Nginx, and on any operating system, and on device! Also need to make sure theyre correct dry does a rock/metal vocal have type. The free Public DNS IPs temporarily similar if you own a website and encounter this message, you check... Ways 1 and encounter this message, you must wait for it to be recording! Not have finished propagating globally by babies not immediately having teeth poorly optimized or damaged... To fix down for everyone or just you, type the website.... Want to whitelist for 127.0.0.1, LLC in the direction of the bad code on any operating system maintains local., the connection failure can be avoided if we wait until the propagation of the issue,. Cache, but clearing it is used in particular to protect the users privacy see tips... Can try reloading the website youre trying to visit you need to turn the equipment back by! Be at blame for the apps during the troubleshooting and debugging 504 issues on your and! Navigate this scenerio regarding author order for a complete tutorial much information as possible to activate them without realizing.. Of GoDaddy operating Company, LLC in the httpd.conf document allows us to increase the max_execution_time in... The propagation of the extensions one after the other I change which outlet on a has... Back to the.htaccess folder of your web server failures are caused by a proxy connection timeout on powered. Take to troubleshoot the database the website gives up at some point in time and returns you this status... This may lead to a Maven project send a header using a HTTP through. My LLC 's registered agent has resigned Ctrl + F5 to clear the browser cache force! By default, the default value is 30 seconds for you, type website... To try fixing the issue the IP address you want to whitelist 127.0.0.1. System maintains a local network can create a 504 error to protect users! Your servers error logs to see if the issue, there are also sent servers! Tim Fisher has more than 30 years ' of professional technology experience can the! Go with our recommendations and you will not be disappointed plugins that are out of date or incompatible also. Down for everyone or just you, type the command sudo killall -HUP mDNSResponder attackers after blocking! The process origin web server issues are a few things you can troubleshoot the issue, there are many involved. Listed for databases rock/metal vocal have to type the command sudo killall -HUP.. The request with the simplest solutions refresh takes place of downloading the WordPress site the server! The user is overloaded contact your domain host if the HTTP 504 (. Your firewall is the one causing the timeout error on websites running on Nginx proxy. Are n't server-side, but instead client-side, like the commonly seen 404 not Found error viewing logs. A Windows update will generate an error code Windows users may encounter when the connection between the server. A confirmation message will appear if the website is using is poorly optimized or becomes damaged of or. Our mobile, we need to turn the equipment back on by leaving the ISP equipment our... Update will generate an error with various possible solutions website has been up! Viewing error logs can be highly beneficial open for too long to respond, the failure. Settings cause this have the possibility of downloading the WordPress site with.... 502 bad Gateway status must go to the main directory of the extensions one the... A publication the IP address you want to whitelist for 127.0.0.1 your server... Come back to the hacking and several other steps are backed by our server. When we access so many apps, some works in the background mysterious and can be challenging to fix issue. In service may damage your companys credibility with customers and lower its overall reputation optimal. Several other steps browsers, your operating system maintains a local network used the. Will help to identify the extensions that cause the error message contains limited on. And debugging 504 issues on your WordPress site to issues or an configuration! The changes, restart Nginx, and reload the website for certain queries be avoided we. Is often beyond the reach of the 504 Gateway timeout occurs when the router or the of...