There has been a lot of discussion about the next major revision of the HTML standard that is still in the pipeline. HTML is also an integral part of all SEO efforts and with the widespread adoption of HTML5; search engines will be able to use a number of new elements to find those page elements that interest them.
Page Segmentation
HTML5 adds new elements to a webpage that results in better expression of the content. Various page elements and different parts of the page like header, footer, and the main content area will be easily distinguishable from each other. This is expected to improve web page segmentation. The elements that are used to organize and segment a page neither add any semantic value nor do they give the page any context. New , , and elements will add more meaning to the webpage, which will allow easy crawling and enhance the efficiency of the indexing processes. Web crawlers are expected to either skip sections like the footer> or or utilize them for varied indexing purposes like finding the name and logo of the website and identifying copyright information.
Search Engine Indexing
The new HTML5 elements will have a direct impact on SEO and make the indexing process advanced and more meaningful.
The element will enable people to indicate webpage content, so search engines can assign more weight to the content within this element.
The element acts like a sitemap that tells search engine indexing algorithms about the information architecture of your website.
Link Types
Multimedia Elements