Articles & Guides

On-call best practices for rotation, escalation and a sustainable schedule. An escalation template, fighting alert fatigue and a healthy on-call process.

The four golden signals of SRE monitoring: latency, traffic, errors and saturation. What to measure, PromQL examples, and how to cover them externally.

Error budget guide: what it is, how to derive allowed downtime from your SLO, the formula in minutes, and a sample policy for freezing releases when spent.

SLI, SLO and SLA explained in plain terms: how the indicator, objective and agreement differ, how to calculate availability percentages and the nines table.

Synthetic vs Real User Monitoring: how synthetic checks and RUM differ, a comparison table and why you need both. A practical engineering guide by enterno.io.

Best API monitoring tools 2026: solution categories, what to look for, a comparison table and a curl endpoint-check example. A practical guide by enterno.io.

A zero-downtime domain transfer checklist: whois and expiry checks, lowering TTL, verifying DNS before and after, preserving MX and SSL. enterno.io guide.

Monitoring for media and streaming: player and CDN availability, SSL, multi-region checks and response time under peak traffic. A practical enterno.io guide.

E-commerce peak load monitoring: track the cart and checkout path, run a health-check, use a short interval and instant alerts on sale days. enterno.io guide.

SLA monitoring for SaaS: the nines table, an uptime formula, allowed downtime and a health-check example. A practical engineering guide by enterno.io.