What is a canonical tag?
A canonical tag tells search engines which page URL is the master version when duplicate or similar content exists.
- Prevents duplicate content penalties
- Consolidates ranking signals
- Improves crawl efficiency
Create canonical URLs to avoid duplicate content issues.
Use a canonical tag to signal the preferred page version to search engines.
A canonical tag tells search engines which page URL is the master version when duplicate or similar content exists.
Use them when the same or very similar content appears on multiple URLs to avoid splitting ranking power.
Yes, they help search engines understand which page should be indexed and ranked.
Yes, each page can use a self-referential canonical tag if it is the primary version.