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Php checks whether a visitor is a search engine spider's function code. For more information, see.
/*** Determine whether it is a search engine spider ** @ author Eddy * @ return bool */function isCrawler () {$ agent = strtolower ($ _ SERVER ['http _ USER_AGENT ']); if (! Em
1, recommended a method: PHP Judge search engine Spider crawler or human access code, from Discuz x3.2
The actual application can be judged in this way, directly not the search engine to perform the operation
2. The second method:
Using PHP to implement Spider access log
Today, when browsing the Web site inadvertently found this section of JS hijacked search engine code. Hijacked search engine normal search over the flow, this is the Black Hat seo commonly used hijacking method. Deliberately decry
PHP-created intra-site search engine code similar to Baidu. The intra-site search engine code similar to Baidu compiled in PHP! DOCTYPEhtmlPUBLIC-W3CDTDXHTML1.0TransitionalENwww.w3.orgTRxhtml1DTDxhtml1-transitional.dtdhtmlxmlnsh w
PHP code bans searching for the engine spider's real robots.txt is not a hundred percent that can prevent spider crawlers from crawling your website. I have written a small piece of code in combination with some materials, which seems to be able to completely solve this problem. if not, please give me more advice: PHPcodeif (preg_match ( quot; (Googlebot | Msnbot
Sometimes we need to know which search engine the user uses to access our page through a keyword. of course, js can also be implemented, but here we will introduce the php implementation code.
The code is as follows:
Greengnn codes
// Obtain the keyword and source sea
Php code used to determine whether a visitor is a search engine or a real user
/**
* Determine whether the access source search engine is a real user
* Site bbs.it-home.org
*/
Function is_bot ()
{
/* This functio
Code for php to determine the path of a search engine and then jump
/**
* Determine whether the search engine redirects to a webpage
* Edit: bbs.it-home.org
*/
$ Flag = false;
$ Tmp = $ _ SERVER ['http _ USER_AGENT ']
Official homepage:
Http://hub.opensolaris.org/bin/view/Project+opengrok
Official definition:
Opengrok is a fast and easy to useSource codeSearch and comparison engines. It helps you search, compare, and locate your sourceCodeTree. It can understand variousProgramFile Format and Version Control history, such as SCCs, RCS, CVS, and subversion. Opengrok is a tool for viewing and searching source files of opensolaris operating systems.
Opengrok is
Using PHP to quickly query the ranking position of keywords in the search engine, the principle is very simple.
The code is as follows:
/*
Query the ranking position of LANSJ in Google "Shenzhen Photography Studio", Lan Shi;
Lost63.com original
Search for the first 30 pages
*/
$ Page = 30; // Number of pages
Search Engine Response.buffer=true
'
' OneFile Search Engine (Ofsearch v1.0)
' Copyright sixto Luis Santos ' All Rights Reserved
'
' Note:
' This is freeware. This isn't in the public Domain.
' You can freely the your own site.
'
' You cannot re-distribute the code, by any
I often feel that it is quite troublesome to use www.google.com to search for a website. I checked the MSDN knowledge base and used C # to write the google search engine for this windows application version, it mainly calls the web service opened by google, but the search speed is not very fast, but at least it saves t
Php code for retrieving keywords and source search engine names. Copy the code as follows :! DOCTYPEHTMLPUBLIC-W3CDTDHTML4.01ENwww.w3.orgTRhtml4strict.dtdhtmlheadmetahttp-equivContent-Typecontenttexthtml; cha
The code is as follows:
Greengnn codes
// Obtain the
Ask a search engine to route the code to jump
Ask the hero to write a search engine routing judgment code to jump
If it's Baidu, jump to http://aaaa.com.
If it's Google, it's going to http://bbbb.com.
If it's a sogou, jump to http
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