Baidu and Google these two major search engines included in the site what is the characteristics of it? Baidu more attention to the site's update frequency and original content, pay attention to the relevance of the chain. Google is more concerned about the overall effectiveness of the site and comprehensive performance, attention to the outside chain. This is th
Google calls robots), the pages they are interested in are grouped into three categories:
1. Spiders have never caught a new page.
2. Spiders have been caught, but page content has changed pages.
3. The spider crawled over, but now has deleted the page.
So how to discover these three kinds of pages effectively and crawl, is the original intention and purpose of spider programming. So here's a question, the starting point for spiders to crawl.
Ev
Google calls robots), the pages they are interested in are grouped into three categories:
1. Spiders have never caught a new page.
2. Spiders have been caught, but page content has changed pages.
3. The spider crawled over, but now has deleted the page.
So how to discover these three kinds of pages effectively and crawl, is the original intention and purpose of spider programming. So here's a question, the starting point for spiders to crawl.
Ev
Http://blog.csdn.net/sgivee/archive/2009/12/04/4938476.aspx
The main search engine site included submit entrance
Baidu submitted to the entrance: http://www.baidu.com/search/url_submit.htmlGoogle Google submitted to the Portal: Http://www.google.com/addurlYahoo Submission P
Abstract: This paper briefly introduces and compares the current ranking algorithms used by search engines, mainly including the word frequency position weighted ranking algorithm, link analysis sorting algorithm, and emphatically introduces the idea of PageRank algorithm and hits algorithm and the advantages and disadvantages of the comparison.Keywords: search engine
Yesterday I shared with you how to effectively submit site map (sitemap) to Baidu, the article posted on my blog, Baidu submitted site map method to share, today we mainly talk about other major search engine site Map Sitemap Submission method. You may think that I do Baidu ranking does not need to go to other search e
they are not concerned about these, but on your site is the content you claim to provide. In this way, a very experienced user is very likely to think that your site is only a good search engine, in fact, does not provide more quality content. On the other hand, for search engines, for those who have a lot of keywords in the name of the page, where the "weight"
highest weight. Under the same circumstances, if two websites compare the homepage with the internal page, the general homepage will be placed in front of the internal page.
External link. The link between a website and an out-of-Site Page ". The quantity, quality, and relevance of external links affect page sorting. In terms of page relevance, Google is more rigorous than Baidu. For example, if your website is for it and you have linked many mechani
by 1 time times.
If a Web page is updated 5 times in a row, the crawl time of the setting is shortened to the original 1/2.
Note that efficiency is one of the keys to winning.
4 "What is the depth of the climb?"
Look at the situation. If you compare cows, have tens of thousands of servers to do web crawler, I advise you to skip this.
If you're like me with only one server doing web crawler, then such a statistic you should know:
Page Depth: Number of pages: how important the page is
0:1:: 10
Search engine This product in China's wave of the Internet played an irreplaceable role, whether it is Google, Baidu, Yahoo, or later Soso, Sogou and so on. As the search is becoming more and more important to the access of information, the search page design is more and mor
a search engine? All of our data are in the database, and Oracle, SQL Server and other databases can also provide query retrieval or clustering analysis function, directly through the database query can not? Indeed, most of our query capabilities can be obtained through database queries, and if the query is inefficient, you can improve efficiency by building database indexes, optimizing SQL, and even by in
number of admob on the daily demand has reached 4 billion.
In addition, this week, Google launched a new project in the UK to provide corporate users with loans to help SMEs buy the company's search ads. It is reported that Google will first launch the service in the United Kingdom, and then fully launched in the U.S. market. Liu Yun said yesterday that the new
is the keyword density, I believe that the SEO friends are aware of this. Of course, search engine to judge the relevance of a site to give the ranking is to see the keyword density. So as long as the awareness of SEO friends, as long as their own web site or Web page to increase the density of keywords can get a pretty good ranking. It is because such people cheat is very simple, even more outrageous is t
develop services, test services, and achieve better scalability on the App Engine.When protorpc is used for any HTTP-based RPC, some common application scenarios include:
Publish Web APIs used by a third party
Create a structured Ajax backend
Clone long-running server interaction
You can define any number of protorpc remote methods in a single Python class. Each remote method accepts a request (including a specific set of parameters) and returns a specific response. All requests and respon
share, but the Sogou still occupies the third position for a long time. 360 Search after the emergence of the second, seconds to kill the Google only a point of base, and the Sogou has not been hit. Before and after the 3B War, Sogou exerting force and differentiation direction and the transformation of the Knowledge cube. Today, Sogou still occupies the third place in the
at the same time to improve traffic? Personal feeling is not, but the search engine also has a reference to each other, which, I would prefer to believe that the domestic search engine Google as a reference, because, Google relat
Search engines, known as Baidu, Google, Yahoo, Sogou, search engine search engines and other tools. Today's Internet people have been subconsciously in the search engine as a daily acce
search results is very high, indicating that your ad is highly correlated with the user's search results. Google's bidding system will give you A high indicator of this advertisement, even if your ads are put together and the price is higher than yours, your ads will be placed in front of them. Google uses user behavior theory and data statistics theory and uses
One trend is to optimize search engines for images. More and more webmasters and merchants will see the shadows of images in the results of regular search engines, but few can really understand the significance of image optimization. For professional search engines, you must be clear about what traditional search engin
Major search engine Ping service PHP implementation method to make the site quickly included"1" Manual ping Service Address:Baidu Address: http://ping.baidu.com/ping.htmlGoogle (google) address: http://blogsearch.google.com/pingFeedsky (Flying) Address: http://ping.feedsky.com/ping.htmlQihoo (Qihoo) Address: http://so.blog.qihoo.com/pingblog.htmlIask (love to ask
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.