erdoplugins blog

WordPress guides,
straight to the point.

Practical articles on WordPress performance, client workflows, and EU compliance — written by the developer behind erdo plugins.

Freelance

WordPress Plugins Every Agency and Freelancer Needs in 2026

Not another generic top-10 list. Here's a plugin stack organized by the actual workflow gaps agencies hit — performance, client review, compliance, and caching.

Jul 14, 2026

10 min read

Workflow

Zero-Downtime WordPress Migration: The Complete Guide

Moving WordPress to a new host doesn't have to mean a broken site for hours. Here's the exact sequence that keeps a migration invisible to visitors.

Jul 14, 2026

10 min read

ComplianceEU

WordPress Accessibility Guide: WCAG 2.2 and the EU EAA

The EU Accessibility Act is already in force. Here's what WCAG 2.2 AA actually requires for a WordPress site, and the failures that trip up most sites first.

Jul 14, 2026

10 min read

Freelance

Choosing WordPress Hosting for Agencies and Freelancers

Managing 10+ client sites differs from hosting one blog. Here's what matters — multi-site dashboards, staging, white-labeling, and cost per site.

Jul 13, 2026

9 min read

Performance

Common WordPress Errors and How to Fix Them

White screen, 500 error, memory exhausted — here's how to diagnose and fix the most common WordPress errors, step by step, without the random guesswork.

Jul 13, 2026

9 min read

Performance

How to Speed Up WordPress: The Complete Guide

Slow WordPress site? Images are only one piece. Here's the full picture — hosting, caching, plugins, themes, and database cleanup — for real speed gains.

Jul 13, 2026

10 min read

SecurityCompliance

Most Common WordPress Vulnerabilities and How to Fix Them

Outdated plugins, weak logins, XML-RPC abuse — here's what actually gets WordPress sites hacked, and the specific fix for each vulnerability type.

WordPress Security Hardening Checklist for 2026

A single fix won't secure WordPress — here's the full hardening checklist covering access control, server config, monitoring, and compliance requirements.

WordPress Staging Site Setup: Free vs Paid Methods

Testing changes on a live WordPress site is risky. Here's how to set up a staging site for free with a plugin, or upgrade to a paid host-managed option.

WordPress Image SEO: Alt Text, File Names & Size Guide

Want your WordPress images to actually rank in Google Images? Here's how alt text, file names, and image size affect image SEO — plus a quick checklist.

WordPress Image CDN vs. Local Optimization: Which Is Faster

Comparing a WordPress image CDN against local server-side optimization? Here's how they actually differ in speed, cost, and setup — and when you need both.

WordPress Responsive Images: How srcset Actually Works

WordPress adds srcset to every image automatically, but most sites still ship oversized files. Here's how responsive images work, and how to fix them.

How to Improve Your WordPress PageSpeed Insights Score

A low PageSpeed Insights score on WordPress usually comes down to a few fixable issues. Here's the step-by-step audit we use to move scores from red to green.

Jul 11, 2026

9 min read

Image Optimizer

ComplianceGDPRWordPress

GDPR vs. the EU Cyber Resilience Act for WordPress

GDPR and the EU Cyber Resilience Act sound similar but cover different ground. Here's what each one actually requires from a WordPress site.

Apr 22, 2026

7 min read

CRA Compliance

SecurityComplianceWordPress

What Is security.txt and How to Add It to WordPress

security.txt tells security researchers how to report vulnerabilities responsibly — and it's expected under EU rules like the Cyber Resilience Act.

May 5, 2026

5 min read

CRA Compliance

WorkflowClientsWordPress

How to Set Up a Client Approval Workflow in WordPress

Endless email threads with screenshots aren't a review process. Here's how to set up a clean approval workflow without giving clients a login.

May 15, 2026

6 min read

Draft Links

WorkflowWordPressClients

Password-Protected Pages vs. Secure Preview Links

WordPress's built-in password protection feels like a quick fix for sharing client work, but it has downsides. Here's how it compares to a preview link.

WebP vs AVIF for WordPress: Which Should You Use

WebP and AVIF both beat JPEG on file size, but they're not interchangeable. Here's how to decide which format to serve on WordPress.

Jun 10, 2026

6 min read

Image Optimizer

PerformanceCore Web VitalsImages

WordPress Core Web Vitals Checklist: Fixing LCP with Images

Largest Contentful Paint is usually an image problem, not a hosting problem. A practical checklist for fixing LCP issues on WordPress.

EU Cyber Resilience Act 2027: What WordPress Owners Must Do

The EU Cyber Resilience Act takes effect in December 2027. Here's what WordPress site owners selling to EU customers need to know before the deadline.

Jun 15, 2026

9 min read

CRA Compliance

WorkflowClientsFreelance

The Right Way to Share a WordPress Draft with a Client

Giving clients editor access just to review a draft is a security risk. Password-protecting posts is clunky. Here's a better solution that takes 10 seconds.