DEV NOTE

Instructions for Installing Hermes Agent on Lume's macOS VM

This guide outlines the steps for setting up a macOS virtual machine (VM) in Lume and installing the Hermes Agent on it. We provide a practical, hands-on explanation covering the roles of Lume and the Hermes Agent, VM creation, initial setup, selecting an LLM provider, verifying functionality, and important considerations regarding the PATH environment variable.

2026.05.19

AI

Steps to Connect WordPress to Codex via AI Engine MCP [Manage Articles via AI Agent]

This guide explains how to connect to WordPress via MCP to control it from an AI agent. Using the AI Engine plugin, we’ve compiled a step-by-step process for quickly retrieving a list of WordPress posts from Codex (OpenAI) and reviewing drafts. This guide assumes you are implementing it safely on a test site.

2026.04.28

AI

How to Safely Test OpenClaw on a Lume Mac VM [Compatible with ChatGPT Plus · Without Messing Up Your Host Environment]

This guide explains how to create a macOS virtual machine using Lume on an Apple Silicon Mac and test OpenClaw without affecting your host environment. I’ve compiled everything you need to know, from configuring the Device Pairing method to run OpenClaw without incurring additional API charges within the ChatGPT Plus plan, to troubleshooting errors when Homebrew isn’t installed, and how to decide when to use a VPS instead.

2026.04.27

AI

Step-by-Step Guide to Setting Up OpenClaw Completely Free on the XServer VPS Free Plan [April 2026 Edition]

This guide explains how to build the autonomous AI agent "OpenClaw" completely free of charge using XServer VPS's free plan (2GB or 4GB of RAM) and OpenRouter's free model. It covers everything from creating SSH keys and installing OpenClaw to managing rate limits on the OpenRouter free model and troubleshooting package issues as of April 24, 2026.

2026.04.24

AI

Web Hosting Comparison: Two Recommended Providers for Beginners and Selection Criteria

If you're new to WordPress and looking for a web hosting provider, choosing between Lolipop High Speed and Xserver Standard is more than enough. Based on 7 days of real-world benchmarking and a 7-point comparison, we'll help you clearly identify the provider that's right for you. We've laid out all the key factors that often cause confusion—from pricing and speed to the control panel, free domain, and backup options.

2026.04.12

SERVER

A WordPress Development Workflow Using Cursor and Antigravity [Lightning-Fast Theme and Plugin Implementation]

This guide explains practical workflows that dramatically boost WordPress development productivity using Cursor and the autonomous AI agent "Google Antigravity." From searching for functions and correcting typos to building custom blocks and plugins from scratch, we provide detailed insights into how to leverage these AI editors and share specific prompt examples. Reduce the burden of manual work and start a new era of WordPress development with "Vibe Coding."

2026.04.12

DEV

Automatically Back Up WordPress with `rsync wp db export` [Mac × launchd]

This guide explains how to automatically back up your entire WordPress site using rsync and WP DB Export without relying on plugins. It provides a practical, step-by-step overview covering everything from the full script for VPS and shared servers, to setting up scheduled tasks with macOS launchd, implementing dual protection with Time Machine, and the restoration process.

2026.04.11

DEV

How to Safely Deploy WordPress from Local to Production Using wp-db and rsync

This guide explains how to securely deploy WordPress from a local environment to a production environment using the WP-CLI’s `wp db` command and rsync. We cover everything from designing a deployment workflow that relies solely on the command line without plugins, to considerations for URL substitution, rsync exclusion rules, a secure workflow via staging, and automation using GitHub Actions.

2026.04.11

DEV

Implementing HMR for WordPress Themes with Vite [Instant CSS Updates]

This guide explains how to implement HMR (Hot Module Replacement) in WordPress theme development using Vite. Based on the actual structure of a Cocoon child theme, I’ll walk you through the process step by step—from configuring `vite.config.js` and `functions.php` to setting up the `dev` script—so you can experience the lightning-fast performance of seeing SCSS changes reflected in your browser the moment you save them.

2026.04.11

DEV

Herd Set Up a Local WordPress Environment with DBngin in 5 Minutes [Mac]

This guide explains how to set up a local WordPress development environment on a Mac. With Herd DBngin, you can enjoy a lightweight and fast setup that runs natively without the need for Docker. We’ll walk you through the process step by step—from installation to setting up WordPress using WP-CLI, managing multiple sites, and troubleshooting—complete with screenshots.

2026.04.11

DEV

[2026 Edition] The Best Solution for a WordPress Local Development Environment: A Comparison of Recommended Tools

The days when simply choosing "Local" was enough for a WordPress local environment are long gone. As of 2026, the optimal solution varies depending on your needs: "Local" for beginners, DDEV for team-based operations, and Herd dbngin for those who develop daily on a Mac. This guide provides a practical overview, covering comparisons of major tools, their pros and cons, why we recommend Herd dbngin, basic setup procedures, and common pitfalls during production migration.

2026.04.11

DEV

Cloudflare × WordPress Troubleshooting: Solutions for Redirect Loops and 403 Errors

This article explains the causes and specific solutions for common issues that arise when setting up Cloudflare on WordPress, such as "ERR_TOO_MANY_REDIRECTS" (redirect loops), "403 Forbidden" errors, and errors accessing the admin dashboard.

2026.04.01

SERVER

Cloudflare × WordPress Complete Setup Guide [Updated for 2026]

From how to set up Cloudflare—which dramatically improves the loading speed and security of your WordPress site—to detailed caching configurations using Cache Rules, WAF protection, and solutions for common redirect errors, we’ll provide a thorough, practical guide.

2026.03.31

SERVER

The Fastest WordPress Optimization Setup: KUSANAGI + Cloudflare Achieves an 82% Improvement in TTFB in Real-World Tests

Exploring the fastest WordPress setup using a combination of VPS, KUSANAGI, and Cloudflare. Based on 13 real-world tests conducted over 12 hours, we confirmed an 82.89% improvement in desktop TTFB. We’ll introduce practical speed-optimization techniques—implementable without plugins—across three layers: server, CDN, and frontend.

2026.03.31

SERVER

WordPress Server Comparison: Recommended Shared and VPS Hosting Options by Use Case

This guide compares server options for WordPress, looking not only at the differences between shared hosting and VPS but also at each provider’s official pricing as of March 30, 2026, and benchmark results from our own site. It’s a comprehensive comparison guide that outlines the pros and cons of providers like Lolipop, Shin VPS, and KAGOYA CLOUD VPS, explains when shared hosting is sufficient, and identifies the signs that it’s time to switch to a VPS.

2026.03.30

SERVER

How to Solve Troublesome Email Issues During a VPS Migration Using Cloudflare and SMTP2GO: Separating Incoming Email for Your Custom Domain from Outgoing Email for WordPress

When migrating WordPress to a VPS, you need to decide in advance how to handle your email setup, separate from the website migration. In this article, we’ve organized options such as Cloudflare Email Routing, SMTP2GO, Brevo, Sakura Mailbox, Amazon SES, Google Workspace, and Microsoft 365, and summarized criteria for choosing based on the number of outgoing emails, the number of recipient accounts, and estimated costs.

2026.03.29

SERVER

A Complete Guide to WordPress Server Migration: A Professional’s Manual Migration from a Shared Server to a VPS [Summary Version]

Unlike the plugin-based migration methods typically used by beginners, this guide outlines the complete process for migrating WordPress from a shared server to a VPS, assuming a manual migration performed by professionals with a focus on reproducibility. In addition to SSH connections, wp-db export, rsync, wp-config.php configuration, and—where necessary—wp-db create, wp-db import, hosts file verification, and DNS switching, this guide also covers preparing to install WP-CLI on Lolipop and how to configure Xserver VPS.

2026.03.29

SERVER

What Is a VPS? A Complete Guide to the Differences Between VPS and Shared Hosting

This guide clearly explains what a VPS is and compares it to shared hosting in terms of flexibility, performance, cost, and operational burden. It serves as a comprehensive comparison guide covering when shared hosting is sufficient for WordPress operations, when you should switch to a VPS, the best timing for the switch, and how to interpret the 7-day benchmark results.

2026.03.29

SERVER

How to Fix the "EADDRINUSE" and "127.0.0.1:9292" Errors When Developing Shopify Themes

In this article, I’ll explain the causes of the “EADDRINUSE: address already in use 127.0.0.1:9292” error encountered when developing Shopify themes, how to check the port using `lsof` and terminate the process, and how to switch to a different port using the `--port` option.

2026.03.20

TIPS

Causes and Solutions When CSS Backward Compatibility Doesn't Work

We’ve compiled a guide on the causes and solutions for when CSS suffix matching doesn’t work, covering everything from compatibility with the `class` attribute to how to distinguish between word-based and suffix-based matching. We’ve also summarized the steps you should take first to troubleshoot the issue.

2026.03.20

TIPS

A Beginner's Guide to CSS Flexbox: A List of Properties and Practical Examples

This guide provides a comprehensive overview of CSS Flexbox, covering everything from the basics to the use of `flex-direction`, `justify-content`, `align-items`, and `flex-wrap`, as well as practical examples using colored boxes, navigation menus, card layouts, and forms, along with important considerations.

2026.03.20

TIPS

How to Create a Shortcut to Convert Text (Images) on Your Mac Screen to Text and Copy It

This guide provides a detailed explanation of how to create a custom efficiency tool that uses the Mac’s built-in “Shortcuts” app to instantly extract text (OCR) from images and videos on your screen and copy it. It’s significantly faster and more accurate than AI-powered OCR, and it even supports vertical text. No external apps are required—simply press a designated key to select the area, and the text is converted instantly. We’ll walk you through all the practical setup steps you’ll need for real-world use.

2026.03.19

TIPS

How to Use WP-CLI: Commands That Dramatically Streamline WordPress Management

From an overview of WP-CLI to installation instructions, bulk updates, and database "search-replace" operations, we’ll explain practical ways to use it to significantly streamline and speed up your WordPress operations and management.

2026.03.19

TIPS

Thorough explanation of CSS colspan and rowspan

Learn more about colspan and rowspan for joining cells in HTML tables.

2024.10.30

TIPS

Solution to the problem of CSS changes not being reflected in real time in BrowserSync.

Learn how to solve the problem of BrowserSync not reflecting CSS changes in real time in WordPress development.

2024.10.29

TIPS

How to make an FTP connection between a Mac and a Sony camera

This section explains how to connect your Mac and Sony camera via FTP for easy photo transfer.

2024.10.28

TIPS

How to remove dotted lines during Button focus and notes

This section explains how to remove the dotted line when Button is in focus and what to do about it.

2024.10.28

TIPS

How to get raw content instead of rendered with WordPress REST API

This section explains how to use the WordPress REST API to get raw content instead of rendered.

2024.10.28

TIPS

Problem with WordPress REST API not accessible from GAS on Xserver and how to resolve it

Describes how to solve the problem of not being able to access the WordPress REST API from GAS on Xserver.

2024.10.28

TIPS

How to solve toc.js not working in WordPress

This page explains how to solve the problem of toc.js not working in WordPress by using the order in which jQuery is loaded.

2024.10.28

TIPS