WordPress Performance, Optimization & Development Guides

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0-Day Analytics is a technical resource focused on WordPress performance, optimization, and development. Here you’ll find in-depth guides, plugin documentation, core function explanations, and practical tips to improve speed, SEO, and scalability.Topics include Core Web Vitals, Gutenberg optimization, custom development techniques, and detailed breakdowns of WordPress internals.

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August 18, 2026 · 0 Day plugin

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0 Day Analytics – Traffic Analytics Module Developer Documentation

April 27, 2026 · Traffic Analytics · 0-day-analytics, documentation

Traffic Analytics module of the 0 Day Analytics WordPress plugin, developers documentation

User Guide – Traffic Analytics

April 27, 2026 · Traffic Analytics · 0-day-analytics, documentation

How to use the Traffic Analytics module of the 0-day-analytics WordPress module (user guide).

Why Out-of-the-Box WordPress Is Completely Insecure

April 26, 2026 · Security · Brute Force, REST, XML-RPC

A deep-dive into why a default WordPress installation is dangerously insecure — covering user enumeration, XML-RPC, REST API exposure, weak defaults, and how

Building Your Own Object Cache Drop-In with PHPFastCache Plugin

April 24, 2026 · Object Cache · cache, performance

A hands-on, production-ready guide to replacing WordPress\’s default in-memory object cache with a persistent, high-performance drop-in powered by

WordPress Performance, Optimization & Development Resources