Practical web development tips — HTML, CSS, JavaScript, APIs, performance and developer workflow.
Practical web development tips — HTML, CSS, JavaScript, APIs, performance and developer workflow.
.htaccess is the Apache config file that controls redirects, security headers, custom error pages, and access rules. Learn the most useful directives and generate them free.
Read ArticleCSS specificity is the algorithm that determines which style wins when multiple rules target the same element. Understand it once and CSS becomes far less frustrating.
Read ArticleA favicon isn't just one file anymore — modern sites need dozens of sizes for browsers, mobile home screens, and PWAs. Learn what you need and generate them all instantly free.
Read ArticleSVG files exported from design tools are bloated with unnecessary metadata. Learn what makes SVGs large, what's safe to remove, and optimize them instantly free in your browser.
Read ArticlePixels ignore the user's browser font size preference — rem doesn't. Learn the difference between px, rem, and em in CSS, when to use each, and convert values instantly free.
Read ArticleA misconfigured robots.txt can deindex your entire site overnight. Learn the syntax, common mistakes, what to block and what not to, and generate one correctly free.
Read ArticleCSS border-radius goes deeper than rounded corners. Learn every syntax variant, how to create pills, circles, and asymmetric blob shapes, plus a free visual generator.
Read ArticleOpen Graph tags control how your pages look when shared on Facebook, LinkedIn, Slack, and more. Learn every tag, the right image sizes, and generate them instantly free.
Read ArticleGrid and Flexbox solve different layout problems — and knowing which to reach for saves hours of fighting CSS. Here's how to choose, with practical examples of each.
Read ArticleThe complete CSS Flexbox reference — every container and item property explained with practical examples, common layout patterns, and a free visual Flexbox tool.
Read ArticleMeta tags control how your pages appear in search results and social shares. Learn which tags matter, what to write in them, and generate a perfect set in seconds.
Read ArticleMaster CSS box-shadow — every parameter explained, layered shadows, inset shadows, common design patterns, and a free visual generator to build them without guessing.
Read ArticleFormat, encode, generate, and convert — everything runs client-side. No account needed.