A canonical tag is an HTML signal that tells search engines which URL is the preferred version of a page, consolidating ranking signals when similar or duplicate content exists.
Also known as: rel=canonical · Canonical URL
It prevents duplicate content from splitting signals across URLs, so authority consolidates on the version you want to rank.
Sites with duplicate or near-duplicate pages, parameter URLs, or content reachable at multiple addresses.
Set canonicals during development and audit them after migrations or whenever duplicate URLs appear.
Our team can put this into practice for your site. Start with a free audit, or explore the technical seo service.
Indexability is whether a crawled page is eligible to be stored in a search engine's index, governed by signals like noindex tags, canonicals, and content quality.
CrawlabilityCrawlability is how easily a search engine's bots can discover and access a site's pages by following links and directives such as robots.txt.
Technical SEOTechnical SEO is the practice of making a website easy for search engines to crawl, render, and index. It covers site architecture, speed, structured data, and indexation controls.
Last updated: 2026-08-03