Search Based on the File Type.

With Google help, you could search file file with the certain type began PDF, HTML, DLL, TXT, TXT, DOC, EXE, and still many others that were other, but how searched this files quickly.
To look for the type file certain you could use keyword filetype:file extension. For example you looked for the type file PDF, typed to the google search box “filetype:pdf” (without quotation marks), afterwards results with the type file PDF will be put forward, but the search with keyword above possibly could not produce the search that was specific because results of the search only referred in the type file PDF .
If wanting to search more specific you could use keyword along with “inurl:word that was looked for filetype:extension that was looked for” for example you searched hacker with the type file pdf, then the keywords  became “inurl:hacker filetype:pdf” without quotation marks

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Google Trends for Websites

Blogger or web admin that cared about the activity website in the Internet must try new facilities that were provided by the Google Trends service, that is Google Trends for Websites (http://trends.google.com/websites).
Google Trends that initially only provided information around the number of search indexes some keyword currently enabled his service visitor to know the visitor's traffic (Daily Unique Visitors) to some website in the Internet. Google Trends for Websites provided faslitas to compare Daily Unique Visitors between one website and website other.
Similar facilities had possibly been used by you in the Alexa service (www.alexa.com). You could then use Google Trends for Websites to know when one website often will be visited by the surfer during a product or the certain topic busy was discussed.

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Google Blog Search

For you who wanted to search blog with the certain topic, you could use the Google Blog Search service. Google Blog Search could be accessed through Http://blogsearch.google.com or through the Google menu by means of clicking More > Blogs. By typing the keyword in searching box afterwards press Enter or click the Search Blogs switch then information concerning blog that was wanted could be put forward.

To know the other menu to Google Blog Search, you could try in link Advanced Blog Search that was located to the right side of the box of the search. Here you also could arrange setting or preference, you could arrange the language that was used and determined time posting blog was carried out. Now the search one blog will be easy to be carried out

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