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🌐 Interview Prep

Web & Frontend

HTML, CSS layout, the DOM, HTTP, browsers, React, security and accessibility: front-end and full-stack interview staples.

📘 Learn it from scratch

Visual, hands-on lessons for every pattern in this topic. Do the lesson, then come back and the questions click.

HTML: Structure & SemanticsForms & InputsThe Box ModelCSS Layout with FlexboxResponsive Design for PhonesHTTP: Requests & ResponsesState, Events & Reducers

100 questions, most asked first

Ranked by how often each question comes up in real interviews. #1 is the most common.

Any difficulty Easy Medium Hard

All patterns HTTP & APIs Storage & caching Box model Flexbox Web security React HTML Accessibility Responsive design CSS Grid & positioning Browser & performance State management Forms DOM & events

Unlock 4 more Web & Frontend questions · all 1,200 questions for $39/year (about 11¢ a day)See full access #63React Server ComponentsReactHard🔒#82Running untrusted code safely in an iframeWeb securityHard🔒#86Frontend system design: an autocomplete search boxBrowser & performanceHard🔒#87Micro-frontendsState managementHard🔒