been, which spider. These are good for your targeted optimization.
Many servers support spider crawl logs, but most webmasters are virtual machines, and some space does not support the record spider crawling. At this point we need to write code to record the behavior of spiders.
On the internet to find a lot of code is not used correctly, or the function is not perfect.
As long as you study. Summarize a set of code, hundred guaranteed to use.
!--? phpfunction Get_naps_bot () {$
Note: JS execution is inconsistent under Firefox and IE, and the results of many statements are inconsistent. It is also possible for other browsers. Verify that if else includes window. Onload;
①Only used to differentiate IE and non-ie kernelsBecause only ie supports ActiveX controls, you can useWindow. activexobjectTo determine, anotherDocument. AllIt can also be used to determine. If the returned value is true, it indicates that the IE kernel (If only the item is used to identify whether IE
This article mainly introduces how to use javascript to determine the type and version of the current browser. Although it is not comprehensive, it is recommended for you to simply learn the methods and ideas. I wrote a method to determine the current browser type and version, and tested it only on IE 8/11, Google, and 360 browsers (not completely ).
I hope you will give your comments.
; (Function ($, window, document, undefined) {if (! Window. browser) {var
As a webmaster, I want to know whether my website Baidu Spider and other search engine crawlers have crawled articles on a website every day. Generally, the webmaster does not know how to use tools to query and can also view the logs in the space, but the log record in the space is all code. you don't know that it is the path of the search engine crawler. so let's share a code written in php to retrieve crawling records of various search spider.
The following search engines are supported:
Record
The code written by PHP to obtain crawling records of search spider. The following is a search engine that uses php to obtain crawling records of various search Spider. the supported search engines can record the following records: Baidu, Google, Bing, Yahoo, Soso, Sogou, and Yodao crawling websites! Php code. The following is a code written in php to obtain crawling records of search spider.
The following search engines are supported:
Record the crawling websites of Baidu, Google, Bing, Yahoo,
1. Close the browser page with high compatibility
// Close the webpage. Firefox is not supported (Firefox returns to the previous page)// FireFox non-window. open () and other pop-up pages, you need to enter about: config in the address bar, and then change dom. allow_script_to_close_windows to true to achieve the desired effect.Function CloseWebPage (){If (navigator. userAgent. indexOf ("MSIE")> 0 ){If (navigator.
. encode (filename, "UTF8 ");// If no UA is available, IE is used for encoding by default, because IE is still the dominantRtn = "filename = \" "+ new_filename + "\"";If (userAgent! = Null){UserAgent = userAgent. toLowerCase ();// IE browser, which can only be subject to URLEncoder EncodingIf (userAgent. indexOf ("msie
The following is a code written in php to obtain crawling records of search spider.The following search engines are supported:Record the crawling websites of Baidu, Google, Bing, Yahoo, Soso, Sogou, and Yodao!The php code is as follows:Copy codeThe Code is as follows:Function get_naps_bot (){$ Useragent = strtolower ($ _ SERVER ['HTTP _ USER_AGENT ']);If (strpos ($ useragent, 'googlebot ')! = False ){Return
to set, will begin to record the search engine robot crawling records. (Hint: Plugin just started when the Robots_log.txt file has not yet been established, is a 404 page, to wait for a search engine to come before the establishment of this file.) )
WordPress blog Record search engine spider Crawl traces code:
1. First, create a robots.php file in the WordPress theme root directory, and write the following:
Support Search engine as followsCan record the Baidu,google,bing,yahoo,soso,sogou,yod
Before too lazy to write judgment ie version js, because the online about this aspect of the code too much, so from the online copy of a, put on the project only to find due to the issue of timeliness, the code does not take effect. Just write one yourself.
How to see the browser's kernel and other information----JS Global Object Window Sub-property navigator.useragent, this property contains information about the browser information, including the browser kernel we need
Navigator.u
-javascript ). Of course not all of them have response headers, and most of the time, you don't need to focus on them. Here I just gather words to say, completely can ignore. Back to the page, you simply need to get the back of the head (anyway, you know whether to return HTML or JavaScript, why not judge it). Cookies are small data stored on the browser side that can be used to hold some information. It is actually some key-value pairs. Many times, the server generates some data to the browser,
logs. But the problem is not knowing which day the hacker changed, so only a few weeks to recall the server log to check. However, the inspection log is also a huge project, and the experience is not enough, but also very troublesome, or not necessarily results. Therefore, a new approach can only be sought.3. Find the key route to solve the problem, use Useragent-watchPage content has not changed, but Baidu Bug crawl wrong, the problem is definitely
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