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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Related Terms

A technique that delays loading non-critical resources until they are needed, improving initial page load performance.

An automatic OPTIONS request sent by browsers before certain cross-origin requests to check if the actual request is permitted.

Hypermedia As The Engine Of Application State — a REST constraint where API responses include links to related actions and resources.

Software that sits between the request and response in a web application, performing processing like authentication or logging.

An HTML element that tells search engines which URL is the preferred version of a page when duplicate or similar content exists at multiple URLs.

DOM (Document Object Model)

A programming interface for HTML documents that represents the page structure as a tree of objects that can be manipulated with JavaScript.

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