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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
change-detection defacement

Website Change Detection — Catch Defacement Before Your Visitors Do

How website change detection works — rendered DOM vs raw HTML diffing, tuning out dynamic noise, and catching defacement before your visitors do.
· 6 min read
monitoring consolidation

You're Paying for 5 Monitoring Tools. Here's How to Consolidate to One.

A small team often pays separately for uptime, status, cron, DMARC and SSL monitoring. Here's the real monthly math — and how to collapse it into one dashboard.
· 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
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
uptime monitoring

Uptime Monitoring Best Practices — Intervals, False Positives, and What 99.9% Actually Means

Check intervals, multi-location probes, keyword assertions, alert routing and what 99.9% really means — a practical uptime monitoring guide for 2026.
· 7 min read
performance ttfb

Why Is My Website Slow? — Diagnosing Latency Layer by Layer

DNS, TLS, TTFB, download, front-end weight — a layer-by-layer method for finding where your page's time actually goes, with a curl one-liner.
· 6 min read
monitoring keyword-checks

The Page Loads, But It's Broken — Catching Failures That Return 200

Soft failures — blank pages, dead checkouts, APIs returning errors with status 200 — slip past status-code monitoring. Content assertions catch them.
· 6 min read
tcp port-monitoring

TCP Port Monitoring — Watching the Services That Aren't Websites

HTTP checks miss mail servers, SSH and custom services. What a TCP port check proves, what it doesn't, and when a heartbeat is the better tool.
· 6 min read
ecommerce uptime

Monitoring E-Commerce Before Peak Season — A Pre-Black-Friday Checklist

Black Friday readiness for e-commerce: monitor the money path, sweep certificates before code freeze, baseline response times and set up on-call now.
· 6 min read
health-checks api-monitoring

Health Check Endpoints Done Right — Designing /health So It's Worth Monitoring

Shallow vs deep checks, /live vs /ready, real status codes and load-balancer cascade failures — how to design health check endpoints worth monitoring.
· 6 min read
wordpress monitoring

Monitoring WordPress Sites — What Breaks, and How to Catch It

WordPress runs over 40% of the web — and fails in WordPress-specific ways. Keyword checks, wp-cron heartbeats, defacement detection and xmlrpc abuse.
· 6 min read
monitoring synthetic

Synthetic Monitoring vs Real User Monitoring — What Each Catches, What Each Misses

Synthetic monitoring vs real user monitoring — what each catches, what each misses, what they cost, and why small teams should start synthetic-first.
· 6 min read

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Uptime, SSL, DNS, security-header grades and SPF/DKIM/DMARC — one dashboard, one bill. The free tier includes the security layer and allows commercial use.
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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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