Engineering
AI and LLM Observability Glossary: 30 Terms Defined
30 LLM observability terms defined — token accounting, evals, agent spans, guardrails. Plain English for AI ops.
JustAnalytics Platform TeamAugust 17, 202613 min read
Engineering
26 posts in this category
Engineering
APM for Flask and Python WSGI Apps: Request Tracing and Slow-Query Spans
Add request tracing and slow-query detection to Flask apps with OpenTelemetry and JustAnalytics. Gunicorn-ready.
JustAnalytics Platform TeamAugust 14, 202611 min read
Engineering
APM for ASP.NET Core Minimal APIs: OpenTelemetry + Endpoint Filters
APM for .NET 8 Minimal APIs — trace slow endpoints in under an hour.
JustAnalytics Platform TeamAugust 10, 202612 min read
Engineering
APM for PHP Symfony and Messenger Workers: 2026 Guide
Trace Symfony HTTP requests and Messenger workers with OpenTelemetry APM. Doctrine spans, queue timing, full visibility.
JustAnalytics Platform TeamAugust 10, 202613 min read
Engineering
APM for Java Quarkus and Micronaut Services
Wire OpenTelemetry APM into Quarkus and Micronaut apps — including GraalVM native images where the usual Java agent trick doesn't work.
java-apmquarkusmicronaut+6
JustAnalytics Platform TeamAugust 10, 202610 min read
Engineering
APM for gRPC and Protobuf Microservices
How to wire distributed tracing into gRPC microservices — interceptor-based span propagation, deadline errors that actually tell you something, and streaming RPC traces that don't blow up your cardinality.
grpcprotobufapm+6
JustAnalytics Platform TeamAugust 10, 202612 min read
Engineering
APM for tRPC and GraphQL Resolvers: Find the Slow Field Fast
Which resolver took 2.8 of your 3-second query? Per-field APM tracing reveals all.
JustAnalytics Platform TeamJuly 31, 202613 min read
Engineering
Error Tracking for TanStack Start and TanStack Router Apps
TanStack Start's beforeLoad and loader errors vanish into the void unless you catch them yourself. Here's the setup for route-loader failures plus pageviews in one script.
JustAnalytics Platform TeamJuly 26, 202612 min read
Engineering
APM for Spring MVC With Java Virtual Threads: Tracing Without Thread-Local Surprises
Java 21 virtual threads break APM agents. Fix your traces with OpenTelemetry.
JustAnalytics Platform TeamJuly 26, 202612 min read
Engineering
APM for Rust Web Services: Tracing Axum and Actix Without a Vendor Agent
Rust APM tracing with no agent—finally, real observability.
rust-apmaxum-tracingactix-observability+6
JustAnalytics Platform TeamJuly 21, 202611 min read
Engineering
How to Build an Internal Metrics Dashboard From Your Analytics API
Build a live internal dashboard with the JustAnalytics API — real code included.
analytics-apiinternal-dashboardmetrics-dashboard+6
JustAnalytics Platform TeamJuly 20, 202611 min read
Engineering
Your Analytics Script Is Blocked by Content Security Policy: How to Diagnose and Fix It
CSP silently drops your analytics. No errors in your app, no data in your dashboard. Here's how to read the violation and fix it in under 10 minutes.
JustAnalytics Platform TeamJuly 19, 202611 min read
Engineering
Error Tracking for Browser Extensions: Background, Content-Script, and Popup Failures
Track crashes in extension service workers, content scripts, popups. Manifest V3 ready.
chrome-extensionsmanifest-v3error-tracking+6
JustAnalytics Platform TeamJune 25, 202612 min read
Engineering
Phoenix LiveView APM: Tracing Without Heavy Agents (2026)
Phoenix LiveView breaks naive APM tools. Here's the fix using Telemetry + OpenTelemetry.
phoenix-liveview-monitoringelixir-telemetryopentelemetry-elixir+6
JustAnalytics Platform TeamJune 24, 202611 min read
Engineering
Error Tracking for Angular Apps: Zone.js Errors, RxJS Failures, and Route Drop-Off
Angular error tracking with Zone.js, RxJS, and route analytics in one 5KB script.
angular-error-trackingrxjs-observabilityzone-js-errors+6
JustAnalytics Platform TeamJune 24, 202612 min read
Engineering
Black Friday Readiness for Your Monitoring Stack: Load, Alerts, and Failure Drills
Your monitoring stack was built for normal traffic. Black Friday isn't normal.
JustAnalytics Platform TeamJune 22, 202614 min read
Engineering
When Stripe or AWS Goes Down: Detecting Third-Party Outages Before Your Users Do
Your app looks broken when a dependency dies. Learn to detect third-party outages with synthetic checks and error-spike correlation — minutes, not hours.
JustAnalytics Platform TeamJune 21, 202613 min read
Engineering
Error Tracking for Travel Booking Engines: When a Failed Search Costs the Sale
A silent API timeout in your flight search can bleed bookings for hours before anyone notices. Here's how to catch it.
JustAnalytics Platform TeamJune 20, 202611 min read
Engineering
Build a Status Page From Uptime Data (2026 Tutorial)
Build a status page from uptime data. No extra vendor, no extra bill.
status-pageuptime-monitoringincident-management+6
JustAnalytics Platform TeamJune 18, 202611 min read
Engineering
Error Tracking for Svelte and SvelteKit: Catching Load-Function and Hydration Failures
SvelteKit load functions and form actions fail in ways generic SDKs miss. Here's how to catch them with handleError and pageview tracking in one embed.
JustAnalytics Platform TeamJune 17, 202612 min read
Engineering
Error Tracking for Electron Desktop Apps: Main, Renderer, and Native Crashes in One View
Catch main, renderer, and native crashes in one dashboard — debug Electron apps faster.
electron-error-trackingdesktop-app-monitoringcrashpad-integration+6
JustAnalytics Platform TeamJune 16, 202613 min read
Engineering
Vue & Nuxt Error Tracking: Capture Hydration Errors and SSR Crashes
Catch Vue hydration mismatches and SSR crashes before your users report them.
vue-error-trackingnuxt-ssr-debugginghydration-mismatch+6
JustAnalytics Platform TeamJune 16, 202611 min read
Engineering
Laravel Error Tracking: Exception Handler to Funnel Impact
Laravel error tracking that correlates exceptions with funnel drop-offs. Stop debugging blind.
JustAnalytics Platform TeamJune 13, 202612 min read
Engineering
Error Tracking for E-Commerce Checkout Flows: Catching the Bugs That Kill Sales
A silent JS error in your checkout can bleed thousands before anyone notices. Here's how to catch it.
JustAnalytics Platform TeamJune 12, 202613 min read
Engineering
Correlate Errors with Funnel Drop-Off: Find Conversion Bugs Fast
A JS error cost 12% of checkouts. Find yours in 30 seconds.
JustAnalytics Platform TeamMay 14, 202613 min read
Engineering
Django Analytics Middleware: Error Tracking + Pageviews in 80 Lines
One middleware for pageviews and errors. Celery + DRF included.
JustAnalytics Platform TeamMay 13, 202611 min read