Web Design & Development
The Popover API, Done Properly
A native HTML feature for showing content on top of the page, such as menus, tooltips and pickers, using the popover attribute instead of custom scripts. What i...
Category · 251 articles
Web Design & Development
Websites and web products that load fast, read clearly and hold up under maintenance.
Web Design & Development
A Practical Guide to Modern CSS Color
Newer CSS color features, such as the oklch() color space and color-mix() function, that make it easier to build consistent palettes and themes. The key figures...
Web Design & Development
How to Get CSS Transitions and Animations Right
Native CSS tools for animating changes between states, using transitions for simple state changes and keyframe animations for more complex motion. Where most pr...
Web Design & Development
ES Modules: What Actually Works
The standard JavaScript module system, using import and export statements, supported natively in browsers and Node.js. Why does it matter? Modules organize code...
Web Design & Development
How to Get Intersection Observer Right
A browser API that reports when elements enter or leave the viewport, used for lazy loading, analytics and scroll-triggered effects. At a glance Purpose observe...
Web Design & Development
Clipboard and Web Share APIs, Done Properly
Browser APIs that let websites copy text to the clipboard or open the device's native share sheet. What is at stake They provide familiar, app-like sharing and...
Web Design & Development
TLS Certificates and Renewal: The Decisions That Matter
The certificates that enable HTTPS, how they are issued and renewed, and the automation that prevents expiry outages. The key figures Let's Encrypt issues free,...
Web Design & Development
ETags and Conditional Requests: What Actually Works
HTTP mechanisms that let browsers and caches check whether a resource has changed, receiving a short 304 Not Modified response if it has not. Where most project...
Web Design & Development
A Practical Guide to JSON Web Tokens
A compact, signed token format, known as JWT, used to pass claims such as user identity between systems, often in APIs and single sign-on. Why does it matter? J...
Web Design & Development
GraphQL APIs: What Actually Works
A query language for APIs that lets clients request exactly the data they need in a single request, defined by a typed schema. At a glance Schema types and fiel...
Web Design & Development
API Versioning, Done Properly
Managing changes to an API so existing clients keep working, using version numbers, deprecation periods and change policies. What is at stake Breaking changes w...
Web Design & Development
The N+1 Query Problem, Done Properly
A database performance problem where code runs one query to load a list, then another query for each item, instead of loading related data together. The key fig...
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