But the same information posted at different addresses can cause confusion when choosing relevant content for search results. Irrelevant duplicate pages may rank for keywords, creating confusion. Firstly, the search engine will simply be C Level Contact List confused when, among several addresses with identical or similar content, it needs to choose one. Secondly, while the search engine is crawling many pages with duplicate content, it may miss pages with unique material. And thirdly, a large amount of duplicate content negatively affects rankings. Search robots may choose to display an irrelevant duplicate. Canonicalization helps avoid these hassles and has a positive effect on search traffic.
Why do duplicate pages appear? It may seem that if you create unique content , then the issues of duplication and canonization are not relevant to you. This is wrong. The fact is that search engines evaluate website pages differently than we do. For them, each unique address is a separate page. Let's take the following addresses as an example They all lead to the same page. But for search engines, each of these addresses is unique. And there can be many such options, including a mobile version of the page. Content management systems and code-driven dynamic sites can unwittingly.