Case studies
- 01↗
How I measured an e-commerce load boundary
A testable question, constant-rate k6 traffic and thresholds set before the run: the result and limits of a load test on an isolated VPS.
- 02↗
The most frequent checkout error cost zero euros
A privacy-safe probe made checkout errors measurable. Read by outcome rather than frequency, they changed the priorities before any money was spent.
- 03↗
Dfence: about 100 security appliances operated with SaltStack
A continuous vulnerability assessment service on about 100 appliances at customer sites, operated from one master with custom Salt modules in Python.
- 04↗
The 500 errors were not in the code
Half of a nightly import failed with HTTP 500. Four logs cross-referenced showed the hosting was killing PHP, and that evidence drove the migration.
- 05↗
GA4 said traffic had collapsed. Orders said otherwise.
The owner saw visits collapse in GA4 and feared the site was broken. Orders were stable: the consent banner was cutting the measurement, not the traffic.
- 06↗
WooCommerce store, 2,400 products: measured, stabilised, migrated
Five months on a WooCommerce store: stack updated, import made reliable, checkout measured, move to a dedicated server and pages one third faster at the origin.