Google, Baidu and Yahoo are general search engines developed by Chinese companies_ Baidu search engine URL

Hello everyone , I'm wang Jun , An architect who can write code and recite poetry . Today, Google, Baidu and Yahoo are all general search engines developed by Chinese companies _ Baidu search engine url, I hope it can help you make progress !!!

One 、 Baidu search engine URL Parameters are fully resolved In the search engine RUL Address parameter , We can clearly know , Whether the software cooperates with search engines in the category of pay per click , We search with Baidu URL The parameters are illustrated as follows ：

http://www.baidu.com/s?wd= keyword wd(Keyword)： The key words of the query ;（ Necessary parameters ） http://www.baidu.com/s?wd= keyword & amp;cl=3 cl(Class)： Search type ,cl=3 Search for web pages ,cl=2 Search for pictures ;（ Necessary parameters ） http://video.baidu.com/v?rn=20&pn=0 pn(Page Number)： Number of pages to display results ; http://www.baidu.com/s?ie=gb2312 ie(Input Encoding)： Code of query keywords , The default setting is simplified Chinese , Default ie=gb2312; http://image.baidu.com/i?ct=201326592&cl=2&lm=-1&tn=baiduimage&pv=&z=0&word=www.qqku8.cn&s=0 ct– This value is usually a string of numbers , It may be the verification code of the search request ; si– Search for... In a qualified domain name , For example, if you want to search in this site, you can use parameters si=www.unvs.cn, For this parameter to be valid, it must be combined with ct Parameters used together ; http://video.baidu.com/v?rn=20&pn=0 rn(Record Number)： Number of search results , Default settings rn=10, Value range :10-100; http://www.baidu.com/s?bs=QQ expression bs(Before Search)： Keywords entered in the last search ; tn： The source site of the search request , This is the source of interest when Baidu cooperates with free software , For example, Baidu search provided in some free browsers we use ,URL The address has tn= Content ,tn= The following content is the account of Baidu alliance . Such as ：Firefox Of tn=suvion_dg(tn=suvion_4_dg), Proud tn=myie2dg,The World Of tn=suvion_4_pg, As long as you use these with tn= Search for , Just click on the advertisement , The browser that provides the software will make a profit from it . There is an exception to the search results , When tn=baidulocal when , You can get a Baidu search result without bidding and advertising .（ This parameter is related to Baidu alliance ）

Some other parameters supplement the analysis ：

http://www.baidu.com/s?lm=0( search Claim result time limit ) &si=&rn=10( Number of displays per page ) &ie=gb2312&（ Language ）ct=0 &wd=%CA%6%BB%FA& （ key word ）pn=10 （ In the pn Above 10 Add after 1 page ）&ver=0&cl=3&uim=6&usm=0 tn The website to which the search box belongs . Another definition of belonging , such as tn=sitehao123, Namely http://www.hao123.com/ The search box on the top left tn=baidulocal Means Baidu search , The result returned is clean , No advertising interference . tn=baiducnnic Want to put Baidu in the framework ? Just try this parameter , Baidu is Cnnic custom sr This parameter is not recommended . combination bs Use . General inquiry sr=0 Or null , but sr=1 when , The query will be combined with bs The values of are used together as the keywords of the query . The default value is 0, except 0,1 Invalid value other than . ct Language restrictions .0- All languages ,1- Simplified Chinese Web page ,2- Traditional Chinese web pages ; Other uncertain or invalid or . The default value is 0. rn Number of search results (Record Number), The value range is 10–100 Between strips , Default settings rn=10 pn Page number of search results , Count from zero . namely pn = ${ Result page -1}*rn. lm Time limit for search results . In days , For example, search the web page of the last month ,lm=30. The default value is 0, There is no time limit . q5 Search content location restrictions .0- All contents ;1- Webpage title ( It is equivalent to using ’title:’ Query prefix );2-url( It is equivalent to using ’inurl:’ Query prefix ); Other values are equivalent to 0. The default value is 0 q6 Search content site restrictions . for example q6=sohu.com, Means to search only sohu.com The web page of ; It's equivalent to using ’site: Prefix ’. The default value is empty dq This parameter is not recommended . The query content comes from the original regional restrictions . The specific value is determined by Baidu . The default value is empty . Tried it on , The effect of using this parameter is very poor . myselectvalue submit= tb=on tieba ？ f Unknown . The default value is empty cl Unknown . The default value is empty rs2 Unknown . sc Unknown .

Two 、 Google search engine URL Parameters are fully resolved q– The key words of the query (Query), Baidu's corresponding parameters are wd hl–Google Search interface language (Interface Language) hl=zh-CN Simplified Chinese language interface , We use Google Chinese is this parameter . hl=zh-TW Traditional Chinese language interface , It is often used in Hong Kong and Taiwan hl=en English language interface start– Number of pages to display results , Baidu's corresponding parameters are pn lr– Language restrictions for search content (Language Restrict), Limit search to web pages in one language . If lr The parameter is empty. , Search all pages . Commonly used ： lr=lang_zh-CN Search only simplified Chinese web pages lr=lang_zh-TW Only search traditional Chinese web pages lr=lang_zh-CN|lang_zh-TW Search all Chinese pages lr=lang_en Search only English pages ie– Query the code of the input text (Input Encoding),Google Default settings ie=utf-8, I.e. request Google Search parameters q The value of is a paragraph utf-8 Encoded text , If you want to use Chinese directly , You can set ie=gb2312, Simplified Chinese code oe– Search the code of the returned page (Output Encoding),Google Default settings oe=utf-8

num– Number of search results (Number), The value range is 10–100 Between strips , Default settings num=10, Baidu's corresponding parameters are rn newwindow– Whether to open a new window to display the query results . Default settings newwindow=1, Open a web page in a new window safe– Secure search options (SafeSearch), Setting this parameter can filter adult content , Default settings safe It's empty , That is, adult content is not filtered , Set to safe=vss, That is, filter adult content . This parameter really makes some people happy , Let some people worry .

3、 ... and 、yahoo Search engine URL Parameters are fully resolved yahoo It's simpler , Different from Baidu and Google, it puts ie Switch to ei： ei– Query the code of the input text (Input Encoding), Default settings ie=gb2312, This is simplified Chinese vs– Search for... In a qualified domain name , For example, if you want to search in this site, you can use parameters si=www.unvs.cn, stay yahoo This one can be used alone ！

That's the end of today's article , Thank you for reading ,Java Architects must see I wish you a promotion and a raise , Good luck every year .