Security monitoring Header grades + copy-paste fixes Email security SPF / DKIM / DMARC monitoring Uptime & API Second-probe confirmed checks Status pages Hosted, white-label status LiveStatus TV walls Full-screen status on any TV Reports & SLA Scheduled PDF / CSV evidence
All features →
Free tools Pricing Blog Compare Docs
Sign in Start free
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.
RSS feed
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
maintenance status-page

Maintenance Windows Done Right — Planned Downtime Without the Panic

Planned maintenance shouldn't look like an outage — picking windows, pausing monitors, 503 + Retry-After, SLA carve-outs and a comms template that works.
· 6 min read
heroku migration

Heroku's Free Tier Is Gone — A Migration Checklist That Doesn't Break Production

Heroku's free dynos and Postgres shut down November 28. Where hobby projects are moving — Render, Fly.io, Railway, a VPS — and how to cut over safely.
· 6 min read
uptime monitoring

Ping vs HTTP Checks — What "Up" Actually Means

Ping succeeds while your site serves 500s; HTTP 200 while the page is broken. What ICMP, TCP, HTTP and browser checks each prove — and when to use them.
· 6 min read
http status-codes

HTTP Status Codes Through a Monitoring Lens — What Should Actually Page You

Not every non-200 is an outage and not every 200 is fine. Which HTTP status codes should page you, how to handle 503s and redirects, and the soft-200 trap.
· 6 min read
uptime monitoring

What Is Uptime Monitoring? A Plain-English Guide for Website Owners

What uptime monitoring is, how HTTP checks work, which check interval to pick, where alerts should go — and what downtime really costs a small business.
· 6 min read
uptime performance

Monitoring During Traffic Spikes — Your Site Slows Down Before It Falls Down

Traffic spikes rarely kill a site without warning — response times drift first. Reading capacity signals and monitoring under load in 2020's surge.
· 6 min read
performance monitoring

Slow Is the New Down — Why Performance Is Availability

Users abandon slow sites long before a timeout, and degradation usually precedes outages. Why response-time trends belong in your uptime monitoring.
· 6 min read
spa javascript

Monitoring Single-Page Apps — When 200 OK Means Nothing

SPAs return 200 with an empty shell even when a JS error blanks the page. Why classic uptime checks miss SPA failures — and what actually catches them.
· 6 min read
monitoring uptime

Website Monitoring vs. Server Monitoring — Why Green Dashboards Lie

Nagios says CPU and disk are fine, yet a visitor overseas sees a timeout. Why external website checks catch what server agents structurally cannot.
· 6 min read

Monitor your site — free

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.
Start monitoring free Try the free tools
Uptime is table stakes. We watch the rest — security headers, email authentication, certs and DNS, with the fix attached.
Start free
Product
Security monitoring Email security Uptime & API Status pages LiveStatus TV walls Reports & SLA Pricing
Free tools
Security header checker DMARC checker SSL checker DNS lookup Uptime test
Resources
Blog Compare All features Docs
Company
About Contact Status
Account
Sign in Start free Terms Privacy
© 2026 CompleteStatus. All rights reserved. CompleteStatus — operated in the United States · support@completestatus.com
Terms Privacy Docs