Google is number one search engine and always strive to provide quality results for related search queries. To make your website search engine friendly and more crawl able Google introduced Content Analysis. After login to webmaster tool you will find Content Analysis under Diagnostics Tab.
To improve the quality of website content analysis feature introduced in webmaster tool. This feature will help user to find appropriate product or service and also make site search engine friendly and easy to crawl. Under content analysis tag you will find potential issues that might affect your natural search engine ranking. Here you will find some issues with your
Meta Description Tag
Non-indexable content issues
Title Tag Issues : Here you will find Missing Title Tags, Duplicate title tags, Long title tags, short title tags and non-informative title tags. Once you click on Duplicate title tags it will show all urls that have same title tags.
Meta Description Issues : In this section you will find duplicate meta descriptions, long meta description and short meta descriptions issues. If you click on duplicate meta descriptions it will shows all links of your website that have same or duplicate meta descriptions.
Non-indexable Content Issues where you will find areas that are not as friendly to crawl.