I sent the same link to three Slack channels last Tuesday and realized I had zero way of knowing which one drove the 47 signups I saw that morning. I was using a basic curl command to shorten my links, but that didn't give me any insight into how they were performing — I just knew I had 27 clicks in total, but no idea which device or browser they were coming from. This was a problem, because I had 14 different links floating around, and I had no way to track which ones were actually working. Why curl wasn't enough I was using a simple bash script to shorten my links, which looked something like this: curl -s -o /dev/null -w "%{http_code}" https://linkcut.link/api -d "url=https://example.com" . This worked fine for shortening links, but it didn't give me any information about how those links were being used. I could see the number of clicks in my terminal, but that was about it.…