Troubleshooting

Stripe, Twilio, and SendGrid all return 429 once traffic ramps. Read the rate-limit headers, add exponential back-off with jitter, cache idempotent GETs, dedupe concurrent calls, and batch writes — in that order.

#Backend #Debug
Troubleshooting

You changed robots.txt but Google still crawls or indexes the same URLs. The fix is almost always a cache layer or a duplicate file — here is how to find which one.

#Hosting #Debug
Troubleshooting

Build sits at "Building" with no new logs. Cancel it, read the last log line, then fix the real cause: a hung fetch in static generation, an install deadlock, OOM, or a postbuild hook.

#Hosting #Debug