Operations and Performance

Cost control, observability, performance troubleshooting, autoscaling, and reliable cloud operations.

6 notes in this category.

13 Aug 2026Operations and Performance13 min read

Why is my WordPress admin slow? A technical diagnosis guide

A step-by-step diagnosis for slow WordPress admin: outbound plugin calls, Heartbeat, autoloaded options, WP-Cron, slow queries, PHP, and OPcache.

2 Jun 2026Operations and Performance4 min read

Practical multi-cloud cost optimisation

An operating model for right-sizing, reserved capacity, and cost ownership across AWS, Azure, and GCP without compromising production reliability.

28 Sept 2020Operations and Performance5 min read

How outbound plugin calls added 16 seconds to WordPress admin

Query Monitor trace: Modern Events Calendar firing 28 uncached outbound HTTP calls per admin page load, and how host-level egress blocking removed the delay.

13 Jan 2016Operations and Performance2 min read

Installing MongoDB on Ubuntu 15.04

Resolve MongoDB service startup failures on Ubuntu 15.04 during the Upstart-to-systemd transition, with unit files and verification steps.

9 Oct 2015Operations and Performance2 min read

CSV UTF-8 encoding issues in Excel

Fix CSV UTF-8 encoding corruption in Microsoft Excel with correct import settings, UTF-8 BOM handling, and verification steps.

23 Nov 2013Operations and Performance2 min read

Lazy loading images with JavaScript

Use native browser lazy loading first, understand LCP and CLS tradeoffs, and keep JavaScript lazy-loading libraries for legacy cases.

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