Technote
203 articles
Themes & plugins Practical
These are not substitutes for each other; they are separate paths with different requirements. Overseas payment in particular brings a currency problem you should not solve by converting.
Performance optimization Practical
The biggest advantage of a public font CDN — a cache already warmed by another site — disappeared when browsers partitioned their caches. What remains is a question…
Themes & plugins Practical
A plugin runs inside your site with the same privileges you have. So the criterion is not the feature but the trust — and trust is checkable before…
Servers & infrastructure Practical
If a customer tells you the site is down, you are already late. Deciding what to watch and how to be alerted takes about half an hour.
Themes & plugins Practical
Choosing a colour each time you build a page produces ten sites inside one. Putting them in one global place removes the problem entirely.
Development workflow Practical
Without a completion standard, handover becomes an exchange of impressions. Agreed acceptance criteria protect the client and shield the supplier from endless revisions.
Themes & plugins Intro
A plugin is not one feature — it is one maintenance liability. Install twenty at the start and you will never work out which one causes a problem.
Servers & infrastructure Practical
If you sell online in Korea, displaying business registration details is a legal requirement — and it is also the first thing a visitor about to pay looks…
Themes & plugins Practical
The default focus ring genuinely does not suit most designs. Delete it, though, and keyboard users lose their cursor entirely — the answer is to replace it, not…
SEO Practical
The same ten posts become a different site once they point at each other. Links are the reader's next step and, to a search engine, your explanation of…
Themes & plugins Practical
Re-declaring heading sizes at every breakpoint only adds maintenance. clamp() puts the minimum, the fluid middle and the maximum on one line and removes it.
Performance optimization Practical
Images are usually the heaviest part of a page, and shrinking them costs almost nothing if you do it in order. The CDN belongs at the end, not…
Cited
Topics outside WordPress are collected on Dongji Communication Tech Insights, run by the same team. The summaries below are quoted from the originals; the titles link to them.
Working with AI
Writing a CLAUDE.md — teaching an AI coding assistant your project
AI coding tools such as Claude Code, Cursor and Copilot do better work the more precisely they know your project. Here is a structure and a set of principles that hold up.
Working with AI
Prompting an AI for UI design — drafting with Claude and GPT
Asking an AI to "make a nice button" gets you a disappointing button. Structured prompts that carry constraints, references and a defined role get you the design you meant.
Themes & plugins
SCSS from the ground up — variables through module structure
The core syntax of SCSS (Sass) and what it solves that plain CSS cannot: variables, nesting, mixins, @use and module structure — organised around patterns you can use immediately.
Themes & plugins
Design tokens and theme colour systems — brand identity in SCSS variables
How to turn a colour palette from a pile of hex codes into a system that means something — semantic token structure and SCSS variable patterns, from a real project.
Performance optimization
Designing a responsive typography system — the science of readability
Hard-coded pixel font sizes are over. Type scales, fluid sizing with clamp(), Korean webfont optimisation and line-height ratios — building typography that reads well on any screen.
Development workflow
From Figma to SCSS — a designer-developer handoff guide
Minimising what gets lost between a Figma file and the code: extracting tokens, naming components, keeping the spacing system in sync — the whole workflow, step by step.