The hard part of price comparison isn't prices. It's identity.

I've spent three years building a price comparison tool. It works, it's free, and it has made no money. I want to write about the part that turned out to be genuinely difficult, because it wasn't the part I expected. The problem I thought I was solving Read a product page, search other shops, compare the numbers, show the cheapest. A scraping and... Weiterlesen