Scrapy recently found a very interesting site in learning, can host Spider, can also set the task of timing fetching, quite convenient. So I studied, and the more interesting features to share:
Grab the picture and display it in the item:
below to formally enter the topic of this article, grab the information of the chain Home deal and show the house pictures :1. Create a scrapy project: scrapy startproject lianjia_shubThe follow
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 | YodaoBot | Sosospider | baiduspider | google | bai php code disables search engine
PHP records the search engine spider's website footprint and search engine footprint. PHP: how to record the website footprint of a search engine spider. This article describes how to record the website footprint of a search engine spider in PHP. I would like to share with you how to record the website footprint of search engine spider in PHP and how to search en
Everyone should know that Baidu has been the entire station HTTPS and cancel Referer keyword display (details can see Webmaster's home article: Baidu Site Property function upgrade completely cancel Referer keyword display), then "Baidu Spider Referer" is what? Is there anything magical about it? Art Dragon SEO leader Liu Ming found through the Baidu Spider Referer can quickly locate part of the Site URL er
Win32 API supports preemptive multi-threaded networks, which are useful for compiling MFC Network spider. Spider Engineering (Program) is a program on how to use preemptive multithreading technology to gather information with web spiders/robots on the Internet.
This project generates a program that acts like a spider and checks the Web site for a broken URL link.
A week ago, I shared an article "Seo diagnosis: finding a website to die through log" and attached two suggestions for improvement. Due to the limitation of objective conditions, the robots shielding method is used at last. First, let's take a look at the spider changes a week later. The total volume of crawlers from the three major spider crawlers decreases sharply, proving that the robots file has taken e
The settings of the log for the Web site in IIS.
Open IIS. Select the site properties that you want to set. The following window pops up:
"Enable logging," Check, and select "The format of the expanded log file for the consortium."
Again click the "Properties" button here, the General options, select a new log schedule for "Every day", of course, you can choose Other, choose to save the log file directory.
According to the general situation, set up here to log, but some hosts can
Life everywhere there are traps, SEO optimization can not avoid traps, here is the Spider trap. After entering the SEO company to learn a lot of things, including mastering the existing spider trap type. Corporate website SEO optimization is like war, at any time to master the enemy, in order to dominate the final ranking of the site's victory. Then, website optimization, SEO rookie should avoid the
URLs, it turns out that dynamic URLs are still less attractive to spiders than static URLs. Dynamic URL by spiders crawl process to get information through the database, this is a more cumbersome process. If the spider crawling carelessly, also may fall into the database this big pit and cannot come out, this is quite risky behavior to the spider. To the end, the spide
Website optimization work is around the Baidu Spider and do, I believe that this point of view you will not be the optimization staff. That said, many of the optimization of the spider's working principle is very unfamiliar, so the site optimization or stay in the original point, can not continue to upgrade.
In this way, we need to understand the working principle of spiders and according to the working principle of spiders to develop and improve the
Recently a customer's website in Baidu display title and description is someone else's, the problem is the first encounter, and then consulted some experienced master, to understand that the customer's website is someone else carried out the Baidu spider hijacked, so the present situation. The following figure:
The original title of the customer's website is as follows:
Baidu Spider hijacking
I believe you webmaster have heard of the search engine spiders, search engine spiders are mainly to crawl the content of a Web site a system called the majority of the webmaster are called spiders, for the establishment of SEO optimization we should learn how to attract spiders to visit our site to crawl the page.
First, preemptive
Believe that the search engine spiders for the new station is not too cold, since a lot of novice webmaster Construction Station is the need to capture the
In the article "Making crawler/spider programs (C # Language)", we have introduced the basic implementation methods of crawler programs. We can say that crawler functions have been implemented. However, the download speed may be slow due to an efficiency problem. This is caused by two reasons:
1. Analysis and download cannot be performed simultaneously. In "Making crawler/spider programs (C # Language)", we
Today, I saw a lot of Baidu IP addresses. In fact, many of them are disguised. How can we identify it!
I found a method. Share it with you.
Run cmd
Type the tracert spider IP address.
For example
Tracert 123.125.66.123
The red frame is the Baidu spider, and the rest are disguised.
There is also a way to reverse query through DNS
Click "start"-"run"-"cmd"-"Enter NSLookup IP Address"-"enter"
For ex
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
Could you tell me whether these IP Spider IP220.181.108.902012-06-0301: 39: 522108181.108.962012-06-0301: 39: 532108181.108.1172012-06-0301: 39: 532127181.10 are these IP addresses Spider IP?
220.181.108.90 2012-06-03 01:39:52
220.181.108.96 2012-06-03 01:39:53
220.181.108.117 2012-06-03 01:39:53
220.181.108.176 2012-06-03 01:39:54
220.181.108.110 01:39:56
220.181.108.172 2012-06-03 01:39:58
220.181.108.96
This article describes the PHP record search engine spiders to visit the Web site footprint method. Share to everyone for your reference. The specific analysis is as follows:
Search engine spiders visit the site through the remote crawl page to do, we can not use the JS code to obtain the spider agent information, but we can through the image tag, so we can get the spider agent data, through the agent data
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