Part 4 of the SXG series is here! SXG makes websites load instantly for Google-referred users, even in airplane mode. But mutable subresources can break it—silently. 🔍 What causes it? 🛠️ How can you fix it? Find out in the latest post. https://blog.pawelpokrywka.com/p/fixing-sxg-prefetching-errors-caused-by-mutable-subresources