Blog

IsDown is joining UptimeRobot

IsDown has been acquired by UptimeRobot. Your plan, login, and data stay the same. Here's what's changing, what isn't, and the legal details.

Error Budget in SRE: The Complete Guide (2026)

Error budgets translate your SLO into a measurable allowance for failure. Learn how to calculate, defend, and spend your error budget - and why vendor outages silently drain it.

Cloud Outage History: Six Years of Recurring Failures

Six years of major cloud outages dissected - AWS, Cloudflare, CrowdStrike and more. Root causes, failure patterns, and what SRE teams keep getting wrong.

April 2026: IsDown Users Saved 16.5 Hours with Early Outage Detection

IsDown detected 45 outages up to 3.6 hours before vendors acknowledged them in April 2026, plus 104 incidents vendors never reported.

AWS Outage History: What Engineering Teams Should Learn

AWS outage history follows a predictable pattern: us-east-1, cascade failures, status pages that lag 30-90+ minutes. Here's what engineering teams should learn.

March 2026: IsDown Users Saved 10.5 Hours with Early Outage Detection

IsDown detected 33 outages up to 2.3 hours before vendors acknowledged them in March 2026, plus 87 incidents vendors never reported.

How to Reduce MTTR When Third-Party Services Go Down

Cut MTTR on vendor-caused incidents with two runbooks, proactive monitoring, and graceful degradation. A practical guide for DevOps teams and SREs.

How to Monitor AWS Status: Don't Wait for the Health Dashboard

AWS Health Dashboard lags 30-60 min during outages. Learn the monitoring stack SREs actually use to detect AWS issues before they hit customers.

Multi-Language Status Page Widgets: Customize Widget Messages in Any Language

IsDown widgets now support multi-language status messages. Customize operational, degraded, and outage text per language with automatic fallback.

AI Systems Status Report - February 2026

Monthly status report for AI systems in February 2026. Official incidents, early detections by IsDown, and more for OpenAI, Anthropic, Google Gemini.

SendGrid Status Monitoring: How to Track Email Delivery Outages

Monitor SendGrid status in real time to detect email delivery outages before they impact customers. Get instant alerts when SendGrid degrades or goes down.

YouTube Outage (Feb 17, 2026). What Happened?

YouTube went down on February 17, 2026, affecting homepage, sign-in, and TV apps worldwide.

AWS CloudFront Outage (Feb 2026): Timeline, Cascade, and Lessons

AWS CloudFront DNS failures on Feb 10 cascaded to 20+ services. Full timeline, which services were hit, and what engineering teams can learn from it.

January 2026: IsDown Users Saved 9.2 Hours with Early Outage Detection

IsDown detected 34 outages up to 2.2 hours before vendors acknowledged them in January 2026, plus 101 incidents vendors never reported.

Cloud Provider Status Report - January 2026

Monthly status report for cloud providers in January 2026. Official incidents, early detections by IsDown, and more for AWS, Azure, DigitalOcean.