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How Obscenter sees what your users see

Walk-throughs of what the product measures and how it gets from a symptom to the cause — with screenshots from a demo shop.

  1. Frontend overview for the Northwind Coffee web shop: sessions, page load p75 and Core Web Vitals 01 / 24 26 October 2026 · 7 min read

    Real user monitoring: Core Web Vitals from real visitors

    How Obscenter measures page loads, LCP, INP and CLS from the visitors you actually have, and lets you click any number through to the sessions behind it.

    real user monitoringcore web vitals monitoringRUM tool Read the walk-through
  2. Session replay player with a recorded Northwind Coffee visit and its timeline 02 / 24 26 October 2026 · 5 min read

    Session replay that respects your visitors’ privacy

    Session replay with every input masked, canvas and fonts never recorded, a sandboxed player and per-visitor sampling. What is captured, what is not, and why.

    session replayprivacy-friendly session recordingsession replay GDPR Read the walk-through
  3. One trace of POST /api/checkout on the Northwind Coffee API, opened span by span down to its database query 03 / 24 26 October 2026 · 6 min read

    From a slow page to the SQL behind it: end-to-end tracing

    One trace from the browser click through your Node.js services to the database query, with OpenTelemetry spans from other languages merged in.

    end-to-end tracingdistributed tracing Node.jsOpenTelemetry tracing Read the walk-through
  4. Hosts overview for Northwind Coffee with CPU, memory and disk per Linux machine 04 / 24 26 October 2026 · 7 min read

    Auto-instrumentation: an agent that turns monitoring on

    One install command: the agent finds the sites nginx serves, injects the RUM tag, prepares your Node services and claims the machine. All reversible.

    auto-instrumentationserver monitoring agentnginx monitoring Read the walk-through
  5. Problems list for Northwind Coffee with open tickets, severities and durations 05 / 24 26 October 2026 · 6 min read

    Root cause analysis instead of alert fatigue

    One ticket per fault, judged against its own baseline, with the root cause named from your traces and routed to Slack, Teams, email or a webhook.

    root cause analysisalert fatigueanomaly detection monitoring Read the walk-through
  6. Server security page for the Northwind Coffee machines 06 / 24 26 October 2026 · 6 min read

    Linux server security monitoring without another tool

    CVE scanning by source package with KEV and EPSS, reboots and restarts that are due, SSH logins from new places, scanners, and a sign-in log for the dashboard.

    Linux vulnerability scanningCVE monitoringSSH login monitoring Read the walk-through
  7. Synthetic checks for Northwind Coffee with their latest results 07 / 24 26 October 2026 · 5 min read

    Synthetic monitoring and load testing in one place

    HTTP checks with phase timings and certificate expiry, real-browser checks with click paths and screenshots, and JMeter load tests sized to the machine.

    synthetic monitoringuptime monitoringbrowser checks Read the walk-through
  8. Obscenter home page for Northwind Coffee with applications, machines, devices and open problems 08 / 24 26 October 2026 · 6 min read

    Self-hosted observability: one Node process, one SQLite file

    Obscenter runs on Node and SQLite with zero npm dependencies, keeps your data on your servers and scales to mirrors. Or use the hosted version, with teams.

    self-hosted observabilityself-hosted monitoringSQLite monitoring Read the walk-through
  9. Problems page with ten open tickets grouped into errors, security and slowdown, by severity 09 / 24 26 October 2026 · 6 min read

    Automatic problem detection with learned baselines

    How Obscenter judges every measurement against its own last three days, opens one ticket per fault, and closes it by itself when things are normal again.

    automatic problem detectionanomaly detectionbaseline alerting Read the walk-through
  10. Topology with the Northwind mobile app beside the web shop, both calling the API domain and the services behind it 10 / 24 26 October 2026 · 6 min read

    React Native and Expo app monitoring without a native SDK

    Monitor a React Native or Expo app with one vendored file: screens, cold starts from the tap, crashes, failed requests, long tasks, and optional native replay.

    React Native monitoringExpo app monitoringmobile crash reporting Read the walk-through
  11. Server security page with upgrade and restart tiles and an SSH attack card showing 246 refused attempts in 24 hours 11 / 24 26 October 2026 · 6 min read

    SSH brute force and attack detection for your servers

    Detect SSH and RDP password guessing, spraying, logins from new places and web scanners from logs your agent already reads, mapped by country and source.

    SSH brute force detectionSSH login monitoringRDP brute force Read the walk-through
  12. Server security page with 2 to upgrade now, 8 with no fix yet, 0 restarts needed, and a card per machine 12 / 24 26 October 2026 · 6 min read

    Vulnerability scanning with CVE, KEV and EPSS

    Every host package and library checked against OSV every four hours, by source package, ranked by CISA KEV and EPSS, with one upgrade command per machine.

    vulnerability scanningCVE scanner LinuxCISA KEV Read the walk-through
  13. Launchpad with the Automation group: Workflow, Load test and Synthetic 13 / 24 26 October 2026 · 6 min read

    Load testing with JMeter, sized to the machine running it

    Shape a ramp, spike or soak, run it with JMeter from the dashboard, and be told up front whether the machine generating the load can actually drive it.

    load testingJMeter load testwebsite stress test Read the walk-through
  14. Logs page with 2,993 lines, 112 errors and 14 sources, level and host filters, a volume chart and the newest lines 14 / 24 26 October 2026 · 6 min read

    Server log monitoring: journald, files and log patterns

    Collect systemd journal units and log files from every host, see which sources are worth it, filter by level, and drop noise by pattern at the collector.

    server log monitoringjournald log collectioncentralized logging self-hosted Read the walk-through
  15. Topology in layers: the Northwind web shop and mobile app, their domains, the services, data stores and external calls 15 / 24 26 October 2026 · 5 min read

    A live service topology map, drawn from real traffic

    A service dependency map from browser to service to database and external APIs, where every line is a measured call and every machine is on the map.

    service topology mapservice dependency mapapplication topology Read the walk-through
  16. Profiling page with processor use per machine over 24 hours and a table of processes with average, peak and memory 16 / 24 26 October 2026 · 6 min read

    Code-level profiling for Node.js in production

    Sampled CPU profiles, heap growth with time left, event loop saturation, and pins for functions you must keep measuring, within a 1% budget of the main thread.

    Node.js profilingcontinuous profilingproduction CPU profiler Read the walk-through
  17. Problems page with a serious ticket saying the Checkout API available error budget is burning fast 17 / 24 26 October 2026 · 6 min read

    SLOs, error budgets and burn-rate alerting

    Set availability, error and latency objectives, track the error budget over a rolling window, and alert on one-hour and six-hour burn rates, not every blip.

    SLO monitoringerror budgetburn rate alerting Read the walk-through
  18. Launchpad with the Automation group: Workflow, Load test and Synthetic 18 / 24 26 October 2026 · 6 min read

    Incident workflow automation when a problem opens

    When a problem opens: branch, wait, look things up, ask a model, write the message, call a webhook or send mail. What runs today, and what does not yet.

    incident automationalert workflow automationrunbook automation Read the walk-through
  19. Hosts page with four Ubuntu machines, their addresses, uptime, agent version, CPU and memory 19 / 24 26 October 2026 · 5 min read

    A browser terminal to any server, with no SSH port open

    Open a root terminal on a monitored Linux server from the browser, through the agent already on it: nothing listening, off until the machine allows it, every session audited.

    web terminalbrowser SSH alternativeremote shell without SSH Read the walk-through
  20. Replay of a visit to the Northwind Coffee cart page, with the timeline and the list of what happened 20 / 24 26 October 2026 · 5 min read

    Attention heatmaps: which part of a page was actually read

    Time on screen for every band of a page, rebuilt from session recordings, even for visits recorded before you asked. Plus scroll depth, sections and video.

    attention heatmapscroll depth trackingscroll heatmap Read the walk-through
  21. Error groups for the Northwind web shop with counts, sessions, first and last seen 21 / 24 26 October 2026 · 5 min read

    Sentry integration: issues and releases beside your own data

    Connect a Sentry organisation and see its issues, releases, crash-free sessions and users next to your traces and machines, pulled every five minutes.

    Sentry integrationSentry crash-free sessionsSentry releases dashboard Read the walk-through
  22. User sessions for the Northwind web shop with entry and exit pages such as / to /cart and /product to /subscriptions 22 / 24 26 October 2026 · 5 min read

    Conversion funnel analysis, walked in order per session

    Build funnels from page paths and custom events, walked strictly in order per session, then find out why people left from their sessions and replays.

    conversion funnel analysischeckout funnelfunnel drop-off Read the walk-through
  23. Roaster drum device page: an ESP32-WROOM-32E with firmware 1.4.2, its health, and two temperature probes charted over 24 hours 23 / 24 26 October 2026 · 6 min read

    IoT device monitoring: an ESP32 thermometer in one HTTP call

    Monitor ESP32 sensors with one JSON POST and no agent: readings, device health, logs and report traces, plus settings and actions sent back on the answer.

    IoT device monitoringESP32 monitoringDS18B20 temperature logging Read the walk-through
  24. Launchpad with Dashboard among the frontend apps, and AI assist at the top of the menu 24 / 24 26 October 2026 · 6 min read

    Custom dashboards and an AI assistant that asks first

    Pin any chart into dashboards of your own, share them with your organisation, and ask an assistant that reads your data and offers changes as buttons you press.

    custom monitoring dashboardsAI observability assistantmonitoring copilot Read the walk-through