Detects filter, sort, and parameter URLs that could create excessive crawlable combinations.
This check identifies URLs with query parameters commonly associated with faceted navigation — filters (color, size, price, brand), sort options, pagination parameters, and other URL parameters that can create a combinatorial explosion of crawlable URLs all showing similar content.
Faceted navigation can generate thousands or millions of URLs that all show slight variations of the same content. This wastes crawl budget, creates massive duplicate content problems, and dilutes link equity across an explosion of near-identical pages.
Uncontrolled faceted navigation is one of the most common causes of crawl budget waste. Large ecommerce sites can generate millions of faceted URLs, preventing search engines from discovering and indexing your important product and category pages.
# Problematic: Each combination creates a new URL
/shoes?color=red&size=10&sort=price
/shoes?color=red&size=11&sort=price
/shoes?color=blue&size=10&sort=name
# ... thousands more combinations
# Solutions:
# 1. Use robots.txt to block parameter URLs
# 2. Add canonical tags pointing to the base URL
# 3. Use noindex on filtered pages
# 4. Implement AJAX-based filtering (no URL changes)Run a free audit to see how your site performs on Faceted Navigation Detection and 159 other checks.
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