Search Engine Optimization

Web site owners now completely track their website by New search analytics report at webmaster tool that you need a deep understanding of how users find your site and how your content appears in Google's search results. Search Analytics Report at Webmaster The following things are 1.Compare traffic on desktop and mobile 2.To compare metrics in different countries 3.Two different time frames 4.Click, Impression, CTR, and Positions 5.Queries, Pages, Countries, Devices, Search type web, and we can set the date range also. Source -  http://googlewebmastercentral.blogspot.in/2015/05/new-search-analytics.html

Google search algorithm depends heavily on the number of links to a website when determining which websites should be listed in what order in their search results for any given term. Now, however, new information suggests that Google search engines will depend less on links in the future and more on other aspects such as mentioned that don't include links. The Nofollow is a value of HTML attribute was originally used to stop comment spam in blogs. It is entirely effected blogging community. Actually, it instructs some search engines that the hyperlink should not influence the ranking of the link's target in the search engine's index and Not follow in order to maximize the PageRank of the other pages. You can easily instruct robots not to crawl a specific link. For example:  <a href="signin.php" rel="nofollow">sign in</a> Source - http://en.wikipedia.org/wiki/Nofollow