Hi ,

Please follow below threads for best Practices of ServiceNow Development.

1. Service Portal Best Practices:- Service Portal Best Practices

2. Service Catalog Best Practices:- Service Catalog Best Practices Article 1

Service Catalog Best Practices Article 2

3. ServiceNow Scripting Best Practices:- Scripting Best Practices

4. ServiceNow Client Scripting Best Practices:- Client Scripting Best Practices

5. ServiceNow Business Rule Best Practices:- Business Rule Best Practices

6. ServiceNow Debugging Best Practices:- Debugging Best Practices

7. ServiceNow Logs And Queues Best Practices;- Logs And Queues Best Practices

8. ServiceNow Update Set Best Practices:- Update Set Best Practices

9. ServiceNow XML Data transfer Best Practices:- XML Data transfer Best Practices

If my article helped you anyway, Kindly mark it as bookmarked and helpful.

Thanks & Regards

Prasant Kumar Sahu