Performance optimization Practical
The image sizes WordPress creates for you
One upload produces several files. Any of them never used on screen clutters both your disk and your srcset at the same time.
Technote
WordPress know-how, from real work Technotes worth picking
15 articles· Performance optimization · Designers
Performance optimization Intro
Deciding your maximum upload size before you upload
Upload a camera original and the page still looks fine, which is why the problem surfaces late. Knowing what WordPress does behind the scenes gives you a rule.
Performance optimization Intro
The right format makes images lighter without losing quality
Photographs and flat graphics compress on completely different principles. Choose accordingly and the file shrinks while the picture on screen does not change.
Cited
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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.
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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.
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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.
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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.
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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.
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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.
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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.