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Schema.org was launched on June2, providing a structured data markup supported by major search engines. Since then, we have seen schema.org markup implemented on many websites; however, you usually only see it on the tech-savvy and gung-ho webmasters’ sites (or being generated by a CMS). This structured markup can be tedious to implement, and webmasters often don’t take the time to capitalize on the real benefits.
You don’t need to add structured data markup to every page and every property just the ones that matter. Google will continue to support past markups such as microformats and RDFa for your current content, so you don’t need to change right away.
Although Google says it does not use schema markup as a ranking factor at this time, they also say that rich snippets can make your Web page more prominent in search and thus lead to more traffic! So the two of course play into each other. If it is good for users, it is good for your website.
I fully agree with the answers been added by EXPERTS...................Thanks.
Basm allah alrahman alrahim
I don't agree , Why ? watch this youtube video
https://www.youtube.com/watch?v=jcZXXV6KkQE
