Technical Definition
URL parameters are key-value pairs appended to URLs after a question mark (example.com/page?sort=price&color=red). Common for filtering, sorting, tracking, and session IDs. SEO challenges: can create duplicate content and infinite URL spaces. Solutions: canonical tags, robots.txt rules, Google Search Console parameter handling (deprecated), or eliminating unnecessary parameters. Critical for e-commerce faceted navigation.
Simple Explanation (ELI13)
URL parameters are the stuff after the question mark in a URL. They're often used for things like filtering products by color or tracking where visitors came from. The problem for SEO is they can create tons of duplicate pages. If your site has thousands of parameter combinations, Google might waste time crawling them all.
Related Terms
Faceted Navigation, Canonical Tag, Crawl Budget, Duplicate Content
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