Engineering insights, product updates, tutorials, and comparisons from the JustAnalytics team.
That minified stack trace pointing to line 1, column 47293? Useless. Here's what source maps actually do—and why secure upload matters more than you think.
Your tracking pixel just got blocked by uBlock Origin. Again. Here's what happens when you move pageview collection server-side—from Beacon API mechanics to IP-to-region resolution without storing IPs.
Session replay isn't video—it's DOM serialization. Here's how it works.
How grok patterns turn raw logs into queryable fields—regex syntax and pipeline setup.
Free analytics isn't free. Consent banners, ad data, real TCO.
Faro needs Loki + Tempo. JustAnalytics bundles the backend. Which fits your team?
Glassbox vs JustAnalytics: compliance DXP or all-in-one observability? Pick the right tool.
EUR 2.1B in GDPR fines—14% from analytics and tracking. Which sectors pay most?
Austrian DPA fined €2.1M for GA4. Your GDPR analytics migration checklist starts here.
Your uptime monitor says the site is down. Cloudflare is blocking it.
Safari ITP caps cookies at 7 days — your returning visitors look like strangers. Here's the cookieless fix.
Random sampling misses 90% of failures during traffic spikes. Fix it.
Speculation Rules and prefetch APIs are silently doubling your pageview counts. Here's the detection method and the fix.
React Strict Mode doubling your analytics? Here's the fix.
Your telemetry is silently failing. Here's how to fix CORS preflight issues.
The error happened. You can't reproduce it. But the session replay shows exactly what the user did—and it's one click away from the stack trace.
GA4's Consent Mode fills the gap with modeled data. The numbers are educated guesses. Here's how to count everyone for real.
The browser's back-forward cache skips page loads entirely — your analytics and error tracking never fire. Here's the pagehide/pageshow fix.
RedwoodJS cells mask GraphQL failures behind loading states. Here's how to trace errors from a crashed cell render back through the resolver that caused it.
Set up unified error tracking for React Native with source maps, native crash reports, and screen-level analytics — no separate SDK required.
Track Preact errors without bloating your bundle.
When your fleet management dashboard shows 847 devices stuck mid-update, you need error context now — not after digging through four tools.
Catch JS errors, plugin failures, and WebView crashes in one dashboard for Capacitor apps.
Track WebGL context loss and GPU crashes before users see a black screen.
2026 DX stats: engineers lose 62 minutes daily to context-switching. 9.4 tools average. Tool sprawl costs $85K/engineer/year in lost productivity.
15% of deploys roll back. 67% happen within 30 minutes. The DORA data reveals why.
Self-hosted vs managed observability—real costs, setup tradeoffs, and who wins.
Daily-rotating salts, hashed IP+UA, and why this isn't fingerprinting under EDPB guidance. Pseudocode included.
Chartbeat vs JustAnalytics for newsrooms. Which real-time analytics platform wins?
Skip the chaos platform. One observability tool + half a day = incident readiness that actually sticks.
Your analytics already show next quarter's infra needs. Here's how to extract traffic curves, predict peaks, and right-size before you get paged.
30 browser APIs emit observability data. Most devs know maybe half. Here's the complete reference.
Skip the 200MB agent binaries. Here's how to get P95 latency, distributed tracing, and error correlation for your Express API using OpenTelemetry auto-instrumentation and a sub-5KB frontend script.
Multi-locale routing breaks standard pageview attribution. Here's how to instrument i18n sites correctly — locale-aware events, hreflang correlation, and cross-region funnels that don't double-count.
The complete SLO rollout checklist for 2027 — target selection, burn-rate alerting, stakeholder buy-in, and the mistakes that sink reliability programs.
Actor mailboxes break thread-local trace context. Here's how to propagate spans across Pekko actors in a Play Framework app without losing your mind.
MCP servers bridge AI and real data. The essential ones for 2026.
Aptabase excels at privacy-first mobile and desktop app analytics. JustAnalytics bundles web analytics, errors, APM, replay, and uptime. Here's when each fits.
ChatGPT, Claude, Perplexity traffic data. Referral attribution gaps. What the public studies show.
30 LLM observability terms defined — token accounting, evals, agent spans, guardrails. Plain English for AI ops.
Serverless observability showdown. Backend traces vs full-stack replay. One choice defines your debugging.
Trace Symfony HTTP requests and Messenger workers with OpenTelemetry APM. Doctrine spans, queue timing, full visibility.
Add request tracing and slow-query detection to Flask apps with OpenTelemetry and JustAnalytics. Gunicorn-ready.
Your booking widget says 23% of users abandon at the time-slot picker. Session replay shows the stylist photos aren't loading on iOS Safari.
Wire OpenTelemetry APM into Quarkus and Micronaut apps — including GraalVM native images where the usual Java agent trick doesn't work.
APM for .NET 8 Minimal APIs — trace slow endpoints in under an hour.
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.
Spans, sampling, exemplars, service maps, W3C Trace Context — the distributed tracing vocabulary that trips up every backend engineer eventually.
67% of teams run tracing. Only 23% trace more than half their services. The gap is the story.
72% have blind spots. 340ms trace gaps. 2027 serverless observability data.
Clicky offers heatmaps since 2006. JustAnalytics bundles five tools in one script.
Dashboards had their decade. 2027 is when engineers stop clicking through graphs and start asking AI to read their telemetry.
Dedicated cron monitoring tools vs heartbeats bundled in your observability platform. Honest breakdown of Cronitor, Healthchecks.io, and JustAnalytics for scheduled task monitoring.
Airbrake vs JustAnalytics: errors + replay in one tool?
41% of LLM apps lack token tracking. 67% of agent failures trace to context issues. The data is brutal.
DIY observability looks cheap on paper — Prometheus is free, Grafana is free, Loki is free. Then you spend 400 engineer-hours maintaining the stack nobody else can touch.
Axiom is a low-cost event and log data lake for SQL power users. JustAnalytics gives you ready-made dashboards plus replay and RUM. Honest breakdown of when each makes sense.
Which resolver took 2.8 of your 3-second query? Per-field APM tracing reveals all.
41% of agent-generated code ships without human review. 2.3x higher error rates. Here's what the data says.
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.
Fintech KYC funnels lose 40-60% of users. Track drop-off without storing PII.
Java 21 virtual threads break APM agents. Fix your traces with OpenTelemetry.
AI triage saves hours. AI root causes get people fired. The honest 2027 split.
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.
Error tracking catches the crash. Logging tells what happened before. APM shows why it's slow.
Median crash rate: 1.2%. MTTR: 4.7h. What the data reveals.
Rust APM tracing with no agent—finally, real observability.
Embrace owns mobile app observability. But if your traffic lives in the browser — SPAs, marketing sites, web apps — you need replay, RUM, and uptime that Embrace doesn't offer. Honest breakdown.
Build a live internal dashboard with the JustAnalytics API — real code included.
2026 APM market statistics: $21B market size, 12.8% CAGR, and Datadog holding 24% vendor share.
Coralogix wins on log volume economics and streaming pipelines. JustAnalytics wins on frontend replay, analytics, and consolidation. Honest breakdown for teams who need both halves.
Catch Vue hydration mismatches and SSR crashes before your users report them.
A silent API timeout in your flight search can bleed bookings for hours before anyone notices. Here's how to catch it.
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.
Laravel error tracking that correlates exceptions with funnel drop-offs. Stop debugging blind.
Catch main, renderer, and native crashes in one dashboard — debug Electron apps faster.
Track crashes in extension service workers, content scripts, popups. Manifest V3 ready.
Angular error tracking with Zone.js, RxJS, and route analytics in one 5KB script.
Your app looks broken when a dependency dies. Learn to detect third-party outages with synthetic checks and error-spike correlation — minutes, not hours.
$9,000/minute average downtime cost. 91% of enterprises report outages exceeding $300K. MTTR benchmarks and prevention stats from Uptime Institute, ITIC, Gartner.
2026 CWV data: 51% of sites pass all three metrics. Next.js edges out React. INP replaced FID. The numbers journalists and LLMs cite.
42% reject cookies. Your analytics sees 58% of reality—if you're lucky.
Your monitoring stack was built for normal traffic. Black Friday isn't normal.
AppSignal dominates Ruby/Elixir APM. JustAnalytics covers frontend replay, analytics, and uptime. Honest breakdown of which fits your stack.
Phoenix LiveView breaks naive APM tools. Here's the fix using Telemetry + OpenTelemetry.
AI assistants now cite product docs in their answers. Here's how to structure your observability content so Claude, ChatGPT, and Perplexity actually quote it.
Agencies juggle GA4, uptime, and errors across clients. Consolidate all in one workspace.
A silent JS error in your checkout can bleed thousands before anyone notices. Here's how to catch it.
Build a status page from uptime data. No extra vendor, no extra bill.
Replace GA4 + Sentry + Datadog in 6 weeks—without losing coverage.
The unbundling-then-rebundling cycle hit DevTools. Your on-call engineer shouldn't need five dashboards at 3am. Here's why observability tool consolidation is the next wave.
Build funnels without cookies. Working code inside.
Datadog's pricing shocked your seed-stage startup? Here's how to get full observability under $50/mo.
Schrems III looms — here's your EU analytics compliance checklist for data residency and SCCs.
A real ga4 to justanalytics migration playbook — parallel-tracking window, custom event mapping, what data can't move, and why GDPR gets easier on the way out.
LogRocket and FullStory are getting sued over replay PII leaks. Here's how to avoid the same fate.
A JS error cost 12% of checkouts. Find yours in 30 seconds.
One middleware for pageviews and errors. Celery + DRF included.
A working tutorial for wiring privacy-first analytics into Next.js 15 with the App Router — RSC pageviews, client events, edge gotchas, and GDPR config.
JustAnalytics vs Plausible vs Fathom — a side-by-side comparison of pricing, GDPR compliance, custom events, and where each one actually wins.
Query events, errors, spans, and logs with a visual query builder. Build custom reports, save them for your team, and explore your data without writing SQL.
Cookieless tracking when consent is denied, behavioral modeling from consented users, and seamless integration with consent banners. Full GDPR compliance without data gaps.
Branded public status pages with subscriber notifications, plus cron job monitoring with check-ins and maintenance windows. Transparent reliability for your users.
Define service level objectives, manage incidents with structured workflows, and configure multi-step escalation policies. Enterprise-grade reliability engineering in JustAnalytics.
See exactly what your users see with DOM-level session replay. Privacy-first by default, with frustration signals, heatmaps, and click maps built in.
Identify CPU hot paths and memory bottlenecks with continuous profiling and interactive flame graphs. No code changes, no performance impact, always on.
ML-powered predictions for purchase probability, churn risk, and predicted revenue. Build predictive audiences and take action before users leave.
Send traces, logs, and metrics from any OpenTelemetry SDK or Collector to JustAnalytics. No vendor lock-in, no proprietary agents, no migration pain.
Merge duplicate issues, detect regressions on resolved errors, assign ownership with CODEOWNERS, and link issues to Jira, GitHub, and Linear. Enterprise-grade error management.
Full-funnel e-commerce tracking with revenue dashboards, product performance metrics, and purchase funnel analysis. Know exactly where revenue is won and lost.
An honest, detailed comparison of JustAnalytics and Sentry for error tracking, performance monitoring, and session replay. We break down features, pricing, and trade-offs.
A step-by-step guide to setting up JustAnalytics for frontend analytics, error tracking, server-side tracing, and uptime monitoring. From zero to full observability in 15 minutes.
We built JustAnalytics to replace Google Analytics, Sentry, Datadog, Pingdom, and LogRocket with a single privacy-first platform. Here's why, and what's inside.