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The CompleteStatus Blog

Monitoring & security, explained

Practical, no-fluff guides on uptime and security monitoring — fixing security headers, email authentication, SSL certificates, and consolidating your monitoring stack.
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All posts security 23 uptime 21 monitoring 19 incidents 18 outages 10 tls 9 https 9 dns 8 ssl 8 performance 8 email-security 6 security-headers 5
uptimerobot alternatives

UptimeRobot Alternatives in 2026 — When the Free Tier Isn't Enough

UptimeRobot's free tier is genuinely generous, but its May 2026 ToS bans white-labeling and resale. Honest alternatives for teams that outgrow it.
· 6 min read
ssl tls

SSL Certificate Monitoring — Never Get Caught by an Expired Cert Again

Expired TLS certificates are a common self-inflicted outage. Why auto-renewal isn't enough, what to actually monitor, and how to get alerted weeks before expiry.
· 4 min read
api-monitoring monitoring

API Monitoring Beyond Ping — Assertions, Latency Budgets, and Auth

A 200 OK doesn't mean your API works. Status-code and JSONPath assertions, latency percentiles, authenticated checks and third-party dependencies.
· 6 min read
domains dns

Domain Expiry — The Outage Nobody Monitors

How domains actually lapse, what the grace, redemption and auction timeline costs at each stage, and how domain expiration monitoring prevents it all.
· 6 min read
cookies session-security

Cookie Security — Secure, HttpOnly, SameSite and the __Host- Prefix, Properly Explained

What Secure, HttpOnly and SameSite actually do, the Lax/Strict/None trade-offs and CSRF implications, the __Host- prefix, and Laravel/PHP/Express examples.
· 6 min read
cron heartbeat-monitoring

Silent Cron Job Failures — Why You Need Heartbeat Monitoring

Cron jobs fail silently — exit codes nobody reads, mail nobody receives. How heartbeat monitoring catches dead jobs, hung jobs and rebooted servers.
· 6 min read
email-security spf

The SPF 10-DNS-Lookup Limit — Why Your Email Authentication Silently Fails

The SPF 10-DNS-lookup limit silently breaks email authentication with permerror. How includes stack up, how to count lookups, and the fixes that work.
· 6 min read
pingdom alternatives

The Best Pingdom Alternatives in 2026 (an Honest Roundup)

Pingdom Professional costs $249/month for 250 monitors as of May 2026. An honest look at six alternatives — what each does well and who should pick it.
· 6 min read
security-headers clickjacking

Preventing Clickjacking — X-Frame-Options vs CSP frame-ancestors

How clickjacking attacks work, step by step — and how to stop them with X-Frame-Options and CSP frame-ancestors, with nginx, Apache and Caddy configs.
· 5 min read
incidents communication

Incident Communication Templates You Can Copy-Paste at 3 A.M.

Copy-paste incident communication templates for every stage — investigating, identified, monitoring, resolved — plus tone rules that keep customer trust.
· 5 min read
uptime incident-response

Website Down? The Exact Checklist to Diagnose and Fix It

Your website is down. Here's the triage runbook: confirm it's real, isolate DNS vs TLS vs server vs app with actual commands, and communicate like a pro.
· 6 min read
security-headers hsts

HSTS Explained — max-age Strategy, includeSubDomains Pitfalls, and the Preload List

A practical HSTS guide — how Strict-Transport-Security works, how to ramp max-age safely, includeSubDomains pitfalls, preloading, and copy-paste configs.
· 6 min read

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Uptime is table stakes. We watch the rest — security headers, email authentication, certs and DNS, with the fix attached.
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