Web Development Beginner

What is SEO (Search Engine Optimization)?

The practice of optimizing websites to rank higher in search engine results, increasing organic traffic.

SEO encompasses technical optimization (site speed, mobile-friendliness, structured data), on-page factors (keywords, meta tags, content quality, headings), and off-page factors (backlinks, social signals, domain authority).

Technical SEO includes proper HTML semantics, JSON-LD schema markup, XML sitemaps, robots.txt, canonical URLs, and Core Web Vitals. Content SEO focuses on providing value, targeting search intent, and maintaining freshness.

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Progressive Enhancement

A web design strategy that starts with basic functionality for all browsers and progressively adds advanced features for capable ones.

HTTP headers that control cross-origin resource sharing between different domains, specifying allowed origins, methods, and headers.

WebAssembly (Wasm)

A binary instruction format that enables near-native performance execution of code in web browsers alongside JavaScript.

A mechanism in OAuth that limits an application's access to a user's account to specific resources or actions.

A JavaScript file that runs in the background, enabling offline support, push notifications, and background sync for web apps.

The second major version of HTTP that improves performance through multiplexing, header compression, and server push.

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