Performance optimization Practical
Measuring how speed reaches revenue on your own site
"One second costs you X percent" is someone else's number. Your drop-off points are yours to measure — and measuring them is not hard.
Technote
WordPress know-how, from real work Technotes worth picking
11 articles· Performance optimization · Founders
Performance optimization Practical
Feeling slow is not the signal to upgrade
Problems that a bigger plan fixes and problems it never touches are separate from the start. Upgrade without telling them apart and you have spent money and kept…
Performance optimization Practical
Thirty seconds before you upload a photo
What a camera or phone produces is far larger than a screen ever needs. Three quick adjustments before uploading make a visible difference to the first screen.
Performance optimization Intro
Check your own visitors, not the industry average
"Most traffic is mobile these days" is not an answer about your site. Your answer is already in your own analytics, ten minutes away.
Performance optimization Intro
What happens in the seconds before your page appears
Visitors do not remember load time in seconds; they remember an impression. What shapes it is not the wait but what they see during it.
Performance optimization Practical
What happens as your database quietly grows
A database grows far faster than your content does — and most of what accumulates is by-product, not the writing you actually did.
Performance optimization Practical
What you miss by only checking on a desktop
You build on a large screen; your visitors arrive on small ones. The problems that gap creates are quiet ones — they cost you visitors without ever looking…
Performance optimization Practical
Where the least money buys the most speed
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…
Performance optimization Practical
Minimum preparation for a sudden rush of traffic
Opportunity arrives unannounced. A few things done in advance are what stand between a crowd and a blank error page.
Performance optimization Intro
What caching actually does, layer by layer
Caching is not one switch. It is several layers with different jobs, and stacking them blindly is how you end up with a page that refuses to update.
Performance optimization Intro
Three things to check the first time your site slows down
A slowdown feels sudden, but the list of causes is short. Before you pay for a bigger server, there are three things to check in order.
Cited
Technotes worth reading next
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.