The general function is like, or, it is not said that it is special.
First, the search range is limited. Just enter Site: [Website Address] in the search box, you can qualify for searching in the specified website, such as entering: "News Site: www.google.com" can qualify for "News" in the domain name of www.google.com This keyword.
This feature can be convenient to find the information you need, or establish a search engine to your website, which is a practical function.
Second, the file is limited. Just enter the fileType: [File Extension] in the search box, you can search for a specific type of file, such as entering: "News FileType: PDF" can search for PDF files with the keywords of "News".
If you know the type of file you are looking for, this feature can be easily found.
With these two features, it can be convenient for many daily queries. I don't know how much Google is not known by what we know.
