Customization of apps is a challenging task but it’s worth trying. According to a recent survey, 89% of marketers reported a revenue increase due to the customization of their apps.
That’s why we believe that you should learn something more about ServiceNow app customization. Let’s take a closer look at 10 tips that will make ServiceNow performance optimization an easy and understandable task.
Before customizing, thoroughly understand ServiceNow’s out-of-the-box features and functionalities. Leverage these as much as possible to reduce the need for extensive custom code and ensure compatibility with future platform upgrades.
While implementing the ServiceNow best practices, prioritize configurations over code modifications whenever feasible. Utilize ServiceNow’s built-in configuration options (e.g., Business Rules, Client Scripts, UI Policies) to achieve the desired functionality. This minimizes the risk of customizations breaking during platform upgrades.
Adhere to ServiceNow scripting standards and guidelines. This includes naming conventions, scripting best practices, and utilizing supported APIs.
ServiceNow workflow customization works better for apps within their own dedicated scopes. This prevents naming collisions and ensures that your customizations are isolated from the base system.
While client scripts at the ServiceNow mobile app development can enhance user experience, excessive client-side logic can impact performance. Opt for server-side processing (e.g., Business Rules, Workflow) whenever possible to maintain application responsiveness.
When dealing with the ServiceNow agile customization, it’s important to identify and resolve issues quickly and efficiently, ensuring the stability of your application.
ServiceNow portal and dashboard customization won’t give you any benefits if you don’t implement rigorous testing procedures for all customizations, including unit testing, integration testing, and user acceptance testing (UAT).
Maintain detailed documentation for all ServiceNow UI/UX customization and code modifications. This includes the purpose of the customization, how it works, and any dependencies.
Leverage ServiceNow UI development tools like the Script Debugger, Background Scripts, and System Logs to troubleshoot issues and optimize your customizations.
Design your custom applications with future growth and maintenance in mind. Avoid hardcoding values and instead use configurable options or reference data.
Oleksii Konakhovych, CTO, Apr 22, 2025
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