Some resources will be hosted on your website, while others will be hosted on others. If you click on a host, you will get a count of web pages on your web site affected by each blocked resource. Furthermore; if you click on any blocked resource, you will get a list of web pages that load that resource. By clicking on any web page in table hosting a blocked resource, you will get directions for unblocking that particular resource.
Here is a design of the report:
For evaluating and reducing your list of blocked resources, you can follow below mentioned steps:
The fetch and render tool is especially designed to show how Google sees your web page. The update of Fetch and Render will show how the blocked resources matter. When you request a URL to be fetched and rendered, it will show screenshots rendered both as a typical user and as Googlebot, so that you get a better grasp on the problems.
This new feature is definitely beneficial for webmasters, as it make easier for them to spot and then unblock resources used by their website.