After using Baidu for so many years, do you really know how to use it? You must have never used these unknown "search engine grammar".

In our daily life and work, when encountering problems, many people will choose Baidu. But sometimes Baidu's results are not what you want, and some people are even misled by Baidu's advertisements. Baidu is a good thing, so how can we use Baidu correctly and efficiently to help us solve problems? Today, the editor will tell you about Baidu knowledge, I hope it will be helpful to you! 1. Baidu Search Grammar For those unknown grammars, accurate searches can get twice the result with half the effort. 2. In the end, a few exciting actual search cases are shown. The thing is that such a search engine is a necessary tool for everyone in daily life and work, to check celebrity gossip, address, and search for a solution to a certain problem encountered.

However, as a technician with pursuit and ideal

In fact, behind the search engine, there are many little-known search syntax

Summary of search syntax [recommended collection]

1. Filetype searches for the suffix or extension of the file

filetype:
Introduction: Get the specified type of file through the search engine.
Search example: filetype: xls
will return the URL addresses of all excel files ending with xls

Second, the basic information of the info website

info
introduction: Search for some basic information of the specified website.
Search example: info: http://www.csdn.net
Get information about csdn

3. 3. Keywords contained in the inurl URL link

inurl:
Introduction: The search contains a certain keyword in the url link, which is more powerful.
Search example: inurl:admin
searches out a large number of administrator login addresses in the background of the website.

Fourth, index of secondary retrieval of search engine results

Index of
introduction: perform secondary retrieval on search engine results.
Search example: index of /admin
Get the background login address of some websites

5. Intext web page content information

intext:
Introduction: Search the text content of the webpage, which is similar to our regular search.
Search example: intext: LexSaints
searches the blogger himself on the whole network

6. intitle web page title information

intitle:
Introduction: Search the title content of the webpage, students who understand the front-end knowledge should be very clear, it is the content of the <title> tag in the html of the webpage
Search example: intitle: lexsaints
The website whose title includes LexSaints

Seven, cache search engine cache information

cache:
Introduction: The search engine caches information about a certain keyword, emmm may find some interesting things.
Search example: cache: lexsaints

Eight, define keyword definition

define:
Introduction: the definition of a keyword in the whole network
Search example: define: lexsaints
The definition of blogger LexSaints in the whole network

9. URL associated with Link

Introduction: Search for other URLs associated with a certain URL.
Search example: link: http://www.swjtu.edu.cn
The school’s main URL will search out all related URLs

Ten, site main website subsite

Site
introduction: Get related websites under a certain main website
Search example: site: http://www.swjtu.edu.cn

11. Links are similar to link and site

Links
introduction: Get related links of a certain keyword or URL
Search example: links: lexsaints
searches blogger related website links

12. allinurl All related url links

Allinurl
introduction: Get all url link addresses related to the website
Search example: alliurl: http://www.baidu.com
All link addresses related to Baidu: Baidu map, promotion all found

13. Obtain the background address of a website management

inurl:admin The admin background of all websites
inurl:com/admin The admin background of the domain name ending in com
inurl:.tw/admin tw area admin background