The 301 redirects are the best ways of lastingly moving one URL to another. From user outlook, type in one URL and get the different one. There is no one content is loaded on the original URL, you just redirect to the new place. There are more than ways are available to implement a 301 redirect. Including, you can use the canonical tags for unavoidable URL structure. If you want to avert the URL from being crawl and it is similar to another URL.
Many of the professional SEO suggest using the canonical tag for similar products but using different colors. This is the one of vital differences when using one vs. another. This is worthwhile seeing that whenever you use a canonical tag and the search engine may choose to ignore it. The competitors rank is greater today because we are optimizing always right things.
Suppose all the links on your site point to widgets.html, then it is listed in your sitemap. The search engines may indicate to ignore that canonical tag pointing to widgets.htm. It is because all of other signals on your site point to the .html version, not the .html version. The redirects you have to use when you have two equal pages and you don’t necessity both pages live for some other business reason. Therefore you have to use the canonical tag if the content on the page is close equal to another page and you don’t want to display up in the search results.
Including the canonical tag has been around for a lengthier time. The foremost thing behind the canonical tags is that allows the webmaster to identify the chosen URL of a page which is similar to another page. While a redirect is a directive, the canonical tag is an indication to search engines.