How to Enable Cron Optimizer for Your Application
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Written by Cloudways Product
Updated over a week ago

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In the world of web hosting, dealing with cron jobs can be a real headache for website administrators. Whether you've been struggling with the unpredictability of WordPress cron jobs, which relies on website traffic, or trying to figure out the complexities of server-side cron jobs, it's a common frustration.

At Cloudways, we understand these challenges and the pains of cron job management; thus, we are excited to introduce the Cron Optimizer for WordPress—a revolutionary feature that makes it simple to switch to server-side cron jobs and smartly spreads out their tasks to ease the load on your server.


Cron Optimizer is only available on Cloudways New Interface for WordPress applications, including WooCommerce and Multisite.

In this article, we'll take a closer look at cron jobs, their common issues, and how our Cron Optimizer makes managing your website very simple while improving your server's performance.

What are Cron Jobs

Cron is like a helpful digital assistant for your server. It's a standard tool in Unix-like and Linux systems that lets you schedule tasks, like running scripts or commands, to happen automatically at certain times and dates. These scheduled tasks are called cron jobs. Think of it as a way to make your computer do repetitive tasks for you without needing your constant attention.

To make the most of cron jobs, it's good to understand how they work and have some knowledge of Linux and its commands. This way, you can use this feature effectively and save time on routine tasks.

The typical format of the cron job command is as follows:

Minute(0-59) Hour(0-24) Day_of_month(1-31) Month(1-12) Day_of_week(0-6) Command_to_execute

Common Applications of Cron Jobs

Cron jobs can be very convenient for automating various tasks you might find yourself doing regularly. Here are some common uses:

  1. Cleaning Up: You can set cron jobs to delete temporary files, like old log files, that accumulate over time and are no longer needed.

  2. Backup Routine: Cron jobs are great for scheduling backups of your important data, ensuring you have a copy of critical files and databases in case something goes wrong.

  3. Resource Monitoring: They can help you monitor your server's resources, such as disk space. You can set up cron jobs to notify you when resources are running low or to take specific actions to prevent issues.

  4. Database and File Management: Cron jobs can be used to automate tasks like optimizing databases or updating files, making sure your applications run smoothly.

  5. System Maintenance: Running system maintenance tasks, such as cleaning up system logs, updating software, or performing security checks, can all be automated with cron jobs.

Using cron jobs for these tasks saves time and ensures that essential processes are taken care of without manual intervention.

Types of Cron Jobs

Cron jobs come in two primary flavors, each serving a specific purpose:

  1. Server-Level Cron Jobs: These cron jobs operate at the server level and run at predetermined intervals. For example, you can set a server-level cron job to run every 5 minutes or every 6 hours. These jobs focus on tasks related to overall system maintenance and upkeep. They ensure your server runs smoothly and efficiently by automating essential background processes.

  2. Application-Level Cron Jobs: Application-Level con jobs are specific to individual applications and work within the context of that application's environment and permissions. A classic example is WordPress cron jobs (WP-Cron), often used to schedule tasks like publishing posts and checking for updates to plugins and themes. These cron jobs can be configured directly within the application's settings and are triggered based on specific events or site traffic.

Understanding these two types of cron jobs allows you to effectively manage and automate tasks at the server level and within your applications.

What is WP-Cron

WP-Cron is a vital component within the WordPress ecosystem, serving as a task scheduler for time-based actions. It takes care of essential tasks in WordPress applications, including automating the publication of scheduled posts and checking for plugin or theme updates. This behind-the-scenes worker ensures that your WordPress website runs smoothly and adheres to its schedule without requiring manual intervention, allowing you to focus on creating and managing content.

Cons of WP-Cron

WP-Cron relies on user interactions with your website, and this dependency can lead to some significant drawbacks. Firstly, if no one visits your site at a specific scheduled task time, WP-Cron won't run, causing delays in task execution. This delay is reflected in your WordPress dashboard as 'delayed,' potentially affecting your content publication schedule.

Moreover, WP-Cron can be triggered multiple times when you have concurrent visitors on your site. For example, WP-Cron may execute fifty times simultaneously if you have fifty visitors at once. Suppose a group of visitors clicks on the same link. In that case, it can trigger WP-Cron multiple times again, increasing page load times and potentially impacting your site's overall performance.

It's important to note that even search engine bots are counted as visitors when they crawl your site in response to search queries. This means that WP-Cron can be triggered by bot visits, further affecting your site's performance.

Given these limitations, solely relying on WP-Cron for critical time-based tasks may not be the most reliable or efficient approach.

What Does Cron Optimizer Do

Imagine having a dependable assistant who takes care of all the complicated stuff behind the scenes so you can focus on what truly matters - your website content and performance. That's precisely what the Cron Optimizer for WordPress is all about.

Enabling Cron Optimizer simplifies cron job configuration and ensures your server runs smoothly. No more diving into technical settings or manually disabling WP Cron - the Cron Optimizer does it all for you.

It seamlessly switches your site to efficient server-based cron jobs using WP-CLI, which means better performance than ever. Additionally, it schedules cron jobs strategically to prevent any server overload. For instance, if you have multiple tasks set to run simultaneously, instead of overwhelming your server, it patiently executes them one by one, ensuring your site remains stable and responsive.

Is Cron Optimizer Right for You?

Whether you are managing multiple websites or just one, the Cron Optimizer takes the burden off your shoulders. In the case of WordPress multisite, it runs cron jobs for each subsite one by one. Say goodbye to spending hours fine-tuning cron jobs. Set a general schedule for each website, and let our trusted assistant take care of the rest.

How to Enable Cron Optimizer for Your Application

Here's how you can enable Cron Optimizer for your WordPress application:

Log in to your Cloudways Platform using your credentials.

  1. From the top menu bar, open Servers.

  2. Then, choose the server where your desired application is deployed.

  3. Next, click www.

  4. Choose your application.

  5. Under Application Management, select Application Settings.

  6. Navigate to the General tab.

  7. Enable Cron Optimizer.

  8. You will be prompted to confirm this selection; thus, click Confirm to enable the Cron Optimizer.

You have successfully enabled the Cron Optimizer for your WordPress application. Here comes the next step of setting up the cron jobs from the Cloudways Platform.

That’s it! We hope this article was helpful. If you need any help, then feel free to search your query on Cloudways Support Center or contact us via chat (Need a Hand > Send us a Message). Alternatively, you can also create a support ticket.

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