Tag

#metrics

5 posts

Cloud & DevOpsJune 29, 202611 min
Custom Prometheus Metrics in Node.js + Express (2026)
Add Prometheus metrics to a Node.js + Express app with prom-client: a /metrics endpoint, custom counters and histograms, and safe low-cardinality labels.
AI & Machine LearningFebruary 16, 20269 min
Mastering Model Evaluation Metrics: From Accuracy to AUC
Model evaluation metrics explained — accuracy, precision, recall, F1, ROC/AUC, regression error. When each matters and how business goals drive your choice.
Cloud & DevOpsJanuary 23, 20268 min
Building a Modern Monitoring Strategy That Actually Works
A deep-dive guide to implementing a scalable, secure, and actionable monitoring strategy — from metrics and logs to alerting and observability best practices.
Architecture & DesignDecember 29, 20259 min
Designing a Modern Observability Platform
A deep dive into building scalable, secure, and insightful observability platforms — from architecture design to real-world deployment strategies.
Performance & OptimizationDecember 19, 20258 min
Mastering Web Performance Metrics: A Complete 2025 Guide
Web performance metrics in 2026: Core Web Vitals (LCP, INP, CLS), TTFB, speed index, and field-data tools (CrUX, RUM) that decide what Google sees today.

Every post in #metrics (5)

Custom Prometheus Metrics in Node.js + Express (2026)