Sitecore Docs - Tech Tips by GS

Recently, a fellow Sitecorian connected with me to discuss an interesting performance issue with a Sitecore JSS application running on Next.js and Vercel. The application was working perfectly fine for normal URLs. However, when users accessed the website through marketing or advertising URLs containing multiple query string parameters, the requests started taking significantly longer and eventually failed. The interesting part was that the same page worked perfectly when the query parameters were removed. Let's understand what was happening and how to fix it. The Problem The application was using Sitecore JSS with Next.js and hosted on Vercel. Normal URLs were working as expected: https://www.example.com/ Even URLs with a few query parameters were working: https://www.example.com/?p1=1&p2=2&p3=3&p4=4&p5=5 But when the number of query parameters increased, the request started taking much longer and eventually failed. In some cases, we were seeing errors such as: 504...