Google recently shared its updated list of 53 search quality changes that have extensively affected the search result on the search engine. The Google updates have left internet marketers and websites owners with surprise, when within the gap of eight days after the update of Google Panda 3.5, another update called Google Panda 3.6 occurred along with the new Penguin update.

Meanwhile, the Google has shared the news of releasing a new index tier, which according to make SEO experts, is big and tiered. Google has increased the size of base index collecting web pages and documents that can show search result by 15 percent. The base search index is the core index used for search results and query coming towards Google. The up-gradation of index has increased its ability to serve to the number of documents by 15 percent. Google keeps up index in tire in which documents are rated on the basis of the relevance and quality.

The Google announced several SEO rankings and updates in April month that are related to Google Panda and Google Penguin updates for maintaining standard of websites. These updates have improved how the keywords are scored in Google ranking. These updates will detect the websites that take help of keywords stuffing. Now, the internet users will able to see the more authoritative content and diverse set of domains after inserting keywords on Google search engine.

Google April updates have also brought several Google’s site links and mega site links changes. These are the links that display below the top rankings result of search on Google search engine. Sub site links will be shown on the search engine instead of the normal snippet. As per these changes, there will be least result for the site link depended on URL result used for general ranking, hence improving ranking of mega site link. From now, Google will regularly refresh site links through offline process to offer the most relevant links to the users.