Guides

Website & app diagnosis guides

When something breaks, start here. Each guide walks the symptom, what it usually means, what to check first, what not to touch, what a 30-minute diagnosis can determine — and when it's time to get help.

• Website Down? What to Check First, In Order →

  Your website won't load? Here's exactly what to check first, in order — DNS, SSL, hosting and server errors — before you panic or change anything.

• HTTP 500 Internal Server Error: What It Means and How to Find the Real Cause →

  An HTTP 500 error hides the real cause from visitors. Learn where the actual error lives in your server logs and how to find it fast.

• Your website broke right after an update: how to roll back safely and find the conflict →

  A site down after a plugin, theme, dependency or PHP update? Enable debug logging, isolate the change, roll back safely and pinpoint the exact conflict.

• Contact Form Not Sending Emails: Diagnosis Guide →

  Your contact form stopped sending emails or they land in spam? The cause is usually SMTP or SPF/DKIM/DMARC. A clear, ordered diagnosis to fix it.

• Checkout Not Working: How to Trace the Failing Payment Step →

  Customers can't pay or the order isn't created after payment? A clear, ordered diagnostic to find the exact failing step in your checkout.

• Site down but the host says the server is fine: hosting problem or code problem? →

  Your host says the server is healthy but your site is down. How to tell a DNS, SSL or hosting fault from an application/code bug, step by step.