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WordPress Blog ✓ 205+ Articles ✓ 20+ Years Expertise

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6min read
Guide

#WordPress Knowledge & Experience

Welcome to my blog where I share knowledge about WordPress programming, web development, and industry best practices. As a developer with over 20 years of experience, I publish practical guides, tutorials, and technical analyses based on real-world projects and challenges. This blog represents my commitment to the WordPress community and my continuous learning journey.

My writing focuses on actionable content that you can immediately apply to your projects. Rather than theoretical discussions, you’ll find code examples, step-by-step tutorials, and solutions to problems I’ve actually encountered working with clients across Europe and globally. Each article is written to help developers and business owners make better decisions about their WordPress implementations.

#Topics You’ll Find on the Blog

The blog covers the full spectrum of WordPress development, from beginner-friendly introductions to advanced optimization techniques:

WordPress Programming - Advanced techniques for custom theme and plugin development. I explore the WordPress hook system in depth, explaining how actions and filters work together to modify core functionality without touching parent code. You’ll find tutorials on custom post types and taxonomies, which allow you to extend WordPress beyond blog posts to create fully custom content structures. My programming articles also cover PHP best practices within the WordPress context, security considerations, and performance optimization at the code level.

WooCommerce - Comprehensive guides on building and optimizing online stores. From basic store setup to advanced customization, I cover everything including product display variations, custom checkout fields, payment gateway integration, and shipping method development. My WooCommerce articles also address common challenges like managing large product catalogs, optimizing database queries for performance, and creating tight customer experiences that convert visitors into buyers.

Security - Protecting WordPress sites from vulnerabilities and attacks. Security articles cover topics like hardening WordPress installations, implementing proper user role management, securing API endpoints, and responding to security incidents. I emphasize prevention over cure, explaining security practices that should be implemented from the start of any WordPress project rather than added as afterthoughts.

Performance - Speed optimization techniques that improve Core Web Vitals scores and user experience. Performance is one of my core specialties, and my articles reflect this expertise. You’ll find detailed guides on caching strategies, image optimization, database optimization, code minification, and server configuration. Many articles include before-and-after performance comparisons demonstrating the impact of specific optimizations.

SEO - Technical positioning strategies that improve search engine visibility. My SEO content covers on-page optimization, schema markup implementation, XML sitemap generation, robots.txt configuration, and technical audits. I focus on white-hat techniques that comply with search engine guidelines while delivering measurable results.

Tools - Reviews and comparisons of WordPress development tools, plugins, and services. Before recommending any tool, I test it extensively and provide honest assessments of pros and cons. You’ll also find articles about my development workflow, including the tools I use for version control, deployment, testing, and project management.

#Latest Articles

I regularly publish new content based on real projects and challenges I encounter in daily work with clients. Each article includes practical code examples and ready-to-use solutions. My goal is to create a resource that helps both novice WordPress users and experienced developers improve their skills and build better websites.

The blog also serves as a knowledge base for my clients, who often reference articles when making decisions about their WordPress implementations. If you’re working with me on a project, you’ll likely receive links to relevant blog posts as part of my consulting process.

#Cadence and contact

Posts go out when we have something concrete to say. There’s an RSS feed if you want to follow along, and the contact form is the right channel for project work, second opinions, or audit requests.

#What this blog actually is

This is a working notebook, not a marketing surface. Entries appear when we hit a problem worth writing down and a solution that survived production. If a post exists, it’s because the underlying issue cost us hours, broke a client site, or surfaced a pattern we want to be able to point back to later.

There’s no editorial calendar. The cadence is irregular by design. Some months produce three posts, others none. We’d rather publish nothing than publish filler, and there’s no shortage of WordPress filler on the open web already.

International readers evaluating WPPoland often land here before the services pages. That’s fine. The blog is a more honest signal of what the team actually deals with than any case study we could write. Read the posts in your stack, see if the reasoning matches how you think about WordPress, and decide from there.

#What we actually publish

Six categories cover most of what ends up here. They map to real client work, not to keyword clusters.

WordPress and WooCommerce engineering. Custom post types, hook patterns we keep reaching for, WooCommerce checkout work, multisite quirks, edge cases in REST and the block editor. Mostly the kind of post that starts with “we needed X and the obvious approach didn’t work.”

Performance and Core Web Vitals. LCP, INP, CLS in production, not synthetic. Image pipelines, caching layers that survive plugin updates, server-side decisions that move the numbers. We try to publish before/after data when it’s honest.

Security and hardening. Real incidents, hardening checklists we use on new builds, what we do after a compromised site lands on our desk. Skewed toward prevention because the alternative is expensive.

SEO, GEO, LLMO, AI search readiness. Technical SEO that compounds, schema that AI crawlers actually parse, what we’re learning about visibility in ChatGPT, Perplexity, and Google AI Overviews. This category moves fast and gets revisited often.

Headless WordPress with Astro and Next.js. Cases where headless paid off, cases where it didn’t, integration patterns, build pipelines, and the operational cost nobody warns you about up front.

Agency operations and industry analysis. Contracting, scoping, remote work, the Polish IT market, salary signals, WordCamp recaps, and occasional commentary on the broader WordPress economy. Useful if you’re running an agency or evaluating one.

#What this blog deliberately is not

No lifestyle content. No “10 best plugins” listicles. No opinion pieces unrelated to WordPress, performance, or the work. No AI-generated padding masquerading as analysis. If a post would only exist to chase a search term, it doesn’t get written.

We don’t publish news for the sake of news either. WordPress release notes are already on wordpress.org and don’t need a paraphrased version here.

#How to use it

Skim the categories above to find the area you care about. The search on the blog index handles the rest. If a post saves you time, that’s the whole point. If you want to talk through something specific to your project, the contact form is in the header.

Get in touch

Related cluster

Explore other WordPress services and knowledge base

Strengthen your business with professional technical support in key areas of the WordPress ecosystem.

Recommendations from LinkedIn

Recommendations and reviews of working with WPPoland

Selected recommendations from WordPress, WordCamp and e-commerce leaders - with a focus on delivery on time, technical depth, and a business-driven approach to WordPress development.

Karolina Czapla

Karolina Czapla

Marketing Strategist – Performance & Digital Strategy

“Working with Mariusz on WordCamp has shown me how rare it is to combine deep technical skill with genuine leadership. He plans, coordinates and delivers with precision, while giving the team space to grow and contribute....”

Co‑organiser, WordCamp Gdynia 2024 & 2025

Argert Boja

Argert Boja

Senior Full‑Stack Developer

“Mariusz is the teammate everyone hopes for: strong full‑stack WordPress skills, clear explanations and a positive attitude even under pressure. He moves easily between custom plugins, performance work and Gutenberg layou...”

Worked alongside Mariusz on WordPress projects

Daniel Blossfeld

Daniel Blossfeld

Process Optimization & Digitalization Consultant

“I had the pleasure of working with Mariusz for almost three years. During that time, his WordPress development skills proved invaluable across a range of projects, from website builds to online member areas and even Shop...”

Mariusz was his client for WordPress work

Jessica Di Pasquale

Jessica Di Pasquale

Leading SEO initiatives with data-driven growth strategies.

“Mariusz is a very skilled, patient and expert guy. Always ready to help and to fix errors, I really appreciated working with him. He is such a great colleague!”

Managed Mariusz directly

Belinda Koch

Belinda Koch

Web-Tracking Analyst at TUI

“Mariusz is a great person to work with. He is extremely motivated to learn new things and share his knowledge, and is very knowledgeable on a wide range of topics. We worked together on digital analytics and tracking top...”

Worked with Mariusz on digital analytics and tracking topics

Paweł Lewczuk

Paweł Lewczuk

Front-end developer, WordPress developer

“I collaborated with Mariusz on several projects and our cooperation was always exemplary. I believe there are many more joint projects ahead of us. Highly recommended!”

Mariusz was Paweł's client

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