// technical writing

Technical Blog

Deep-dive articles on WordPress engineering, CSS architecture, web performance, and the tools that power professional projects. No fluff — just signal.

Featured

How to Optimize WordPress for Core Web Vitals

LCP, CLS, INP — what they measure, what breaks them in WordPress, and a systematic approach to hitting green scores. From image preloading to JS deferral to server-level caching.

Read article →

// Preload your LCP image

<link

rel="preload"

as="image"

href="/hero.webp"

fetchpriority="high"

/>

// Defer non-critical scripts

add_filter( 'script_loader_tag',

function( $tag, $handle ) {

return str_replace(

'<script ', '<script defer ',

$tag );

} );

// browse by topic

WordPress 3 articles Themes, plugins, hooks, and the platform internals that matter. Performance 1 article Core Web Vitals, loading strategies, and server-side wins. ACF 1 article Advanced Custom Fields for production editorial systems. CSS 1 article Layers, naming systems, and architecture that scales.

// all articles

— WordPress

How to Create a WordPress Theme from Scratch

Theme anatomy, template hierarchy, the Loop, hooks, and enqueueing assets — everything you need to ship a production theme.

Plugin vs functions.php — What to Use and When

The most misunderstood decision in WordPress. A clear framework: coupling, must-use plugins, and the site-specific plugin pattern.

ACF Guide for Professional WordPress Projects

Flexible content, ACF Blocks, options pages, and query patterns that scale to real editorial and agency workflows.

— Performance & CSS

How to Optimize WordPress for Core Web Vitals

LCP, CLS, INP — systematic approach to green scores. Covers images, fonts, JS deferral, and server-level caching.

Ideal CSS Architecture for Large Projects

@layer, modified BEM, design tokens, component boundaries, and Stylelint — building stylesheets that survive team growth.

// quick reads — key takeaways

Rule If it survives a theme switch, it belongs in a plugin — not functions.php.

Plugin vs functions.php→

Tip Preloading the LCP image alone can cut load time by 400–800 ms.

Core Web Vitals→

Rule Never remove wp_head() or wp_footer() — plugins depend on them.

WordPress Themes→

Tip Register ACF field groups in PHP, not the UI — keep schema in version control.

Rule Components should never set their own width or margin — that's a layout concern.

CSS Architecture→

Tip Use tax_query instead of meta_query when possible — it's indexed and significantly faster.

ACF + WP_Query→

// written by

LM

Lucas Moura

Enterprise Solutions Architect & Creative Technologist

Over a decade building digital products — from WordPress platforms and custom SaaS tools to enterprise-scale integrations. These articles document what I've learned on real projects, distilled into patterns you can apply immediately.

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