5 Signs Your Website Is About to Crash
The Titanic didn't sink instantly. First came the hit, then water in the holds, and only then — disaster. Your website is the same. It "screams" for help long before it crashes. Do you know how to read these signals?
Checklist: Symptoms of Imminent Death
*If you see this in logs — call NineLab.
1. TTFB Growth (Time to First Byte)
If the server thinks longer than 200ms before giving the first byte — this is the first bell. It means code or database is already working at the limit.
2. "Too many connections" in DB
Every SQL request requires a connection. If the pool is full, new users just get an error. This is a classic scaling problem.
3. Disk Swap
The scariest sign. When RAM ends, the server starts using HDD/SSD as memory. Disk is 100,000 times slower than RAM. The site turns into a pumpkin instantly.
4. Growth of 5xx Errors
One 500 error per day is an accident. Ten errors per hour is a pattern. 1% errors of total traffic is a fire.
5. Log Silence
Sounds strange, but if logs suddenly stopped writing, maybe you just ran out of disk space. This is "silent death".
Advice: Configure alerts in Zabbix or Prometheus. Learn about problems before your users write an angry tweet.
Next steps
Validate before traffic peaks: load testing, performance audit, pricing.
Related services
FAQ for this topic
Focus is engineering metrics and stack—API, DB, CDN, code—not only copy and meta tags.
Prefer metrics and logs; for DB, read-only or a replica-backed staging is often enough.
Both: lab gives reproducibility, RUM shows real devices and networks; together they explain gaps.
Prioritize by impact/effort, define post-change metrics, re-measure; heavy fixes can be a separate phase.
Want to apply this in practice?
Tell us about your system — we’ll propose a work plan and the metrics worth fixing in an SLA/SLO.
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