🔧 Why Purging Nginx Cache Is Only Half the Job (And How I Built the Other Half)

If you're self-hosting WordPress behind Nginx with caching, you've probably relied on plugins to automatically purge your cache.


📝 Post updated → 🗑 cache wiped → ✅ done.


Except it's not done. The cache is now cold. The next visitor hits your server with a full uncached PHP + DB round trip and pays the latency penalty — the exact problem...