Articles & Guides
Useful resources for web developers and system administrators
DevOps
Zabbix vs Cloud Monitoring
Zabbix vs cloud synthetic monitoring: a comparison on cost, control, maintenance, and blind spots. When to choose which and how to combine both layers.
DevOps
Uptime Checks in CI/CD Pipelines
How to embed uptime checks in CI/CD: post-deploy smoke tests, curl in GitHub Actions, retry logic, health-check rollback, and continuous post-deploy monitoring.
DevOps
Kubernetes Uptime Monitoring
Kubernetes probes: liveness, readiness and startup, how they differ, YAML examples, common mistakes, and why to layer external synthetic monitoring on top.
DevOps
Prometheus Blackbox Monitoring for Sites and APIs
Set up blackbox_exporter in Prometheus: http_2xx, tcp and dns modules, prometheus.yml config, probe_success metrics, and external synthetic monitoring.
DevOps
Grafana Website Monitoring: Dashboards, Alerts and Uptime
Self-hosted Grafana does not probe sites: pair it with blackbox_exporter or an external monitor, then build uptime, latency and SSL dashboards and alerts.
Monitoring
DMARC in 2026: Gmail/Yahoo Enforcement
Since February 2024 Gmail and Yahoo require SPF, DKIM and DMARC for bulk senders. We cover setting up the DMARC record and p=none/quarantine/reject in 2026.
HTTP
HTTP/3 in 2026: Should You Migrate
HTTP/3 runs over QUIC and UDP, speeding up loads on unstable networks with 0-RTT. We cover who should migrate to HTTP/3 in 2026 and when to wait.
SSL/TLS
Post-Quantum TLS: What Changes in 2026
Post-quantum TLS defends against harvest-now-decrypt-later attacks. We cover ML-KEM (Kyber, FIPS 203), the X25519MLKEM768 hybrid and the PQC migration in 2026.
Monitoring
Passkeys vs 2FA: The Future of Authentication
Passkeys built on WebAuthn/FIDO2 are phishing-resistant and replace passwords. We compare passkeys vs classic 2FA, the pros, cons and rollout scenarios.
Monitoring
INP in Core Web Vitals: The 2026 Metric
INP replaced FID in Core Web Vitals in March 2024. We break down the thresholds, common causes of slow responsiveness and how to measure INP in 2026.