Usage also provides you with the percentage of visits with and without site search, but you have more options to filter your data through secondary dimension.
使用率提供的也是使用和不使用网站搜索的访问量百分比，但是二级菜单中有更多的选项可供过滤数据。
2
Providing a method for reporting missed spam, automatically updating black and whitelists, and using a secondaryfilter system can all help to reduce the amount of spam that reaches your inbox.