The Problem: One-by-One Operations Kill Performance Following up on my previous post about DevProxy and throttling testing, there’s another critical performance issue I see regularly in SharePoint CSOM code: executing operations one by one instead of batching them. Consider this common pattern …

The Problem: When Parallel Programming Backfires If you’ve ever optimized your C# API calls with parallel programming, you might know this story. Your client wants faster performance. You run multiple API requests in parallel. Locally, everything flies — especially late at night when traffic is low. …

The Problem: Multiple List Queries and Throttling When working with related data across multiple SharePoint lists, developers often fall into the trap of making multiple individual queries: // ❌ Bad approach - Multiple API calls var customers = context.Web.Lists.GetByTitle("Customers"); var …