The search engine how to crawl the web breadth first crawling strategy

1, a breadth first crawl strategy:

From the

we all know, most of the sites are in accordance with the tree to complete the distribution page, then the link structure of a tree in which the page is first crawl? Why should first crawl these pages? Breadth first crawling strategy is in accordance with the tree structure, the link to the first crawl, crawl links after the completion, then grab the next link. The following figure:

K the number of links to form a set of R links obtained by PageRank, the number of links contained in the S link, Q represents whether to participate in the transfer, represents the damping factor, then the weights link to obtain the formula: read more

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What can the server log information to optimize the transfer

first, you can clearly understand the love of spiders in Shanghai daily news

website are normal status codes are inextricably linked, for example, visit the web site the status code is 200, which is a normal visit spider is 200, it normally does not matter, generally do not show, but if it is 404, or 403 of the 404 is what to do. Know if the 403 one can not see, so you need to timely treatment, lest the site is down right or loss of weight.

directory settings affect the entire marketing website by the success of spiders, improve the pages included, the server log can know what spider love list? What directory crawling depth? What directory is shallow? Or what directory doesn’t want to crawl and so on, for some important directory page in this adjustment, a more weight transfer. read more

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Make some notes on the description page of the product

before the description of the goods, we should first want to know one thing, is what is the most important commodity description page, the atmosphere is beautiful to do? Or do the convenient operation? Or do the rich information? These are not the most important commodity description page, or that these are in order to achieve a purpose, is to maximize the promotion of the purchase, which is to improve the conversion rate of users, only around a center that will make the product description page is the user really need. read more

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Entrepreneurship should not xianyisiqian


venture industry has many interbank business case, so many novice entrepreneurs in the business was originally their own entrepreneurial direction changing, so that the final crop failure, suffered heavy losses, in fact business focus on an industry a higher rate of return.


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Chuzhou a father son of drug report with tears

a lot of people know the harm of drugs, or by drugs, so it is important to stay away from drugs, cherish life. Recently in Chuzhou, because of unbearable addicted son often make special move, father to the public security organs for help, hope the police can help his son quit addiction, repent and start anew.

2 13 in the morning, an old man came to the police station erlangkou, just a door to pull the hand of the police and said: "the police comrades, help my son, he is now addicted to drugs, you quickly put him up quickly, so he quit addiction, otherwise, our family will be ruined!" while the police appease him, and asked him to sit down to understand the situation. read more

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Snacks to join the advantage analysis

How can you say something about the

snack? Can you eat it? Such a good thing, but I can not give up small bian. Boring, but we are the best partner of snacks. If you want to get rich through entrepreneurship, then you must not miss the snacks to join such a good project. Because snacks to join the advantage is very good. If you do not know what the advantages of snacks to join, then you must look at the advantages of this snack to join the analysis!

Analysis of the advantages of

snacks joining read more

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Several techniques for managing the shop

entrepreneurship shop is not easy, as entrepreneurs, not only to have a general grasp of the market, but also know how to manage the store. A well – run shops, there is certainly a broad prospects for development. On the other hand, improper management would lead to the final is likely to put up the shutters. Here are some tips to manage the store, look at it!

skills: a person posts

only the right people in the right position, to the maximum value of the person, but in store operations, operational adjustment is inevitable, when workers often will change, but sometimes it is better to recruit new people, and don’t feel free to change jobs, because of job changes will not only affect the the mood, for a strange position, it is difficult to make and adapt to. read more

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By the end of this year the province’s 5793 fire village police posts

In order to enhance the level of safety management in agricultural and pastoral areas of fire, effectively enhance the masses awareness of fire prevention, since this year, the provincial public security fire brigade will fully rely on the Provincial Public Security Bureau launched the "village police" working mechanism, the implementation of the "one village one police fire management mode in the province. As of, the province’s 5793 village police will officially take the front line of fire work.

to create a good quality, excellent ability to fire the "village of police forces, public security fire combined with the Provincial Public Security Bureau formulated the" Qinghai province "village police" management measures ", the" village police "rights and obligations and responsibilities, personnel recruitment, treatment, daily management, security assessment of reward and punishment for the detailed provisions. According to the relevant requirements of the end of October this year to complete the 5793 "village police recruitment work, from November to December to the county as a unit to carry out centralized training and the organization of the village police" posts.

the province before the end of the year will promote the required fire "village police work infrastructure, office expenses, education and training, work allowance, personal accident, pension, medical and other work-related injuries, into the national economic plan and financial budget, take 35% according to the provincial finance, municipal (state) County two financial commitment the ratio of 65% as a" village police "payment delays subsidies, work actively to enhance the" village fire alarm "convenience and service in the masses.   read more

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How to join Hefei Kawangka tea shop

people who live in Hefei know, Huaihe Road Pedestrian Street, there is a very busy business of milk tea shop called Kawangka, of course, this tea has been on the Hefei "gourmet" program. Of course, this is a foreign investment in the tea shop, if you want to invest in this tea shop, it will be a good choice.

as the saying goes, no rules no Cheng Fangyuan, everything is according to the rules, to open a tea shop is the same, of course, tea shop are also open their own process, only in accordance with the tea shop process to avoid detours. So, Hefei Kawangka milk tea to join, what is the flow shop today to introduce the next set of tea shops to join the process of Kawangka. read more

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Primary school students resume has become a business opportunity

talk about the resume, more people think of is an adult looking for a job when they need a tool, which is mainly aimed at adults. However, in the current education market, students also need to make a resume. At the same time, primary school students resume has become a business opportunity!

coated paper, printing, binding, thickness of dozens or even one hundred or two hundred page, cost tens of dollars or even thousands of yuan…… This is the Wenzhou pupils of luxury resume, but also rather than college students resume. They are the primary and junior high school introductory material, hope to apply for the school to leave a good impression. read more

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Xinjiang nut cake Prince online poineering road

a lot of business success is not accidental, they are good at analyzing the situation, seize the most suitable for the development of a good opportunity to succeed. "Xinjiang nut cake Prince" is one of the typical representative, I believe we are not unfamiliar to his name, he uses unique products and their popularity, instantly turned into a successful business.

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Survival is the first element of entrepreneurship

entrepreneurship is not as simple as we imagine, entrepreneurial success is also experienced a lot of hardships, through continuous exploration, continuous summary, it was successful, so it is not easy to succeed. But a lot of people have forgotten what is the first element of entrepreneurship, in fact, is to survive, no survival, but also talk about what the ideal, what to start with. Next, share a story with you.

is an arithmetic problem, one hundred thousand enterprises profit one billion, tens of thousands of enterprises profit millions, tens of millions of people in the profits of tens of millions, millions of millions of corporate profits, corporate profits on ten one hundred thousand, one creates profits as a few million. read more

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Join volume to roll anywhere to make money

we all know, as long as the popularity of the place, there will be a lot of money making opportunities. In particular, the choice of snacks to join the project, the market has unlimited business opportunities. How about the volume? High quality delicious, join volume to roll to the project, flexible business opportunities!

compared with the flow of operations, store operations is undoubtedly an important part of the food and beverage business, the environment is elegant, dynamic and static, has become an extreme enjoyment of urban food life. read more

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We have to eat dumplings like German Boiled dumplings

small I love a traditional delicacy that is the love of the dumplings, visible, especially now dumplings especially delicious, will make people think of dreams. I heard like German Boiled dumplings dumplings are focused on more than ten years, how look below introduction knew.

Chinese dumplings as traditional delicacy, historical source, as early as the Western Han Dynasty with holy compilation of "book of Rites" is recorded: "rice two, meat, he thought the bait, the fried." The connotation of traditional inheritance China delicacy like German because of the choice of Boiled dumplings is elegant, fine, the price close to the people, the people become pure taste China recognized is the leading brand Boiled dumplings package. read more

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State Copyright Bureau announced 15 cases of nternet piracy cases

xinhuanet.com June 21 Beijing Xinhua (reporter Huang Xiaoxi) 21 reporters from the State Copyright Bureau, as of June 2011, 2010-2011 special treatment to combat Internet piracy "sword action" has dealt with 1148 cases of Internet piracy. The National Copyright Administration announced 15 typical cases.

the specific circumstances of these 15 cases:

Anhui Chuzhou Knight music network copyright infringement case. In the case of the national copyright administration transfer case, to identify the suspect lineapiu, Wang Zhongliang and Xia Yongqing in "Knight music" illegal dissemination of music and profit. March 17, 2011, Anhui City Intermediate People’s Court of second instance ruled that: in order to infringe the copyright crime sentenced to 3 years in prison for more than 3 years, such as more than months of punishment, such as the punishment of the crime of copyright infringement and other penalties for the crime of copyright infringement and sentenced to imprisonment for more than 3 years. read more

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New network trouble home again black

Www.paycenter.com.cn recent trouble constantly, DNS was attacked, the transfer price is a joint complaint, and today again home page was black.


Beijing in a state of paralysis.

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Cloning Baidu post bar NetEase staged staged Baidu imitation show

NetEase Youdao search for Baidu imitation more and more similar. Follow the Baidu post bar, the way NetEase yesterday launched a new search forum service products, Youdao fast paste beta.

as China’s largest online community Baidu post bar is Baidu’s core business, the NetEase launched a similar product is clearly looking forward to learn from the success of Baidu post bar model. Because it is the best way to gather popularity, increase the stickiness of the site, so NetEase launched a similar product is not surprising." Internet analyst Yang Yunqian told reporters. read more

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Expose the five worst domestic advertising alliance

contact Wangzhuan for so many years, the main is to earn advertising fees from advertising, but part of a coalition but no matter the interests of every webmaster, cheat. To some Adsense in tired for a long time to reach the terms of payment, but the alliance play around with all sorts of reason to advertising, what is more, what reason not to, is not here to pay for advertising costs, I collected the top five advertising credibility of the worst, to expose the alliance as is, for those who do not know the truth of the webmaster reminder. read more

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September 26th news today, the Internet service provider SaaS + oral health Shanghai Information Technology Co. Ltd. (hereinafter referred to as the "leading health information") announced in August this year to complete the A+ round of tens of millions of RMB financing, the investor is Fosun Group, Fosun with Hao capital. Currently, the collar health information A round and A+ round of financing totaling about 70000000 yuan.

it is reported that this round of financing, lead the health information service will increase product innovation investment, focus on oral outpatient management system continued to force the implementation of ecological products, oral medical digital, mobile, intelligent, social, electricity supplier. The future will be the mouth of the industry as a starting point to explore a new model of medical + internet. read more

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Today have you been brainwashed by today’s headlines

and so on the elevator, look at today’s headlines!

go to work on Monday, look at today’s headlines!

go to work on Tuesday, look at today’s headlines!

go to work early, look at today’s headlines!

work late for what, see today’s headlines!

today on the way to work, see today’s headlines!

how unhappy today, see today’s headlines!

how unhappy today, see today’s headlines!


the two days no matter where I go, you can see the advertising headlines today, it is Shuabing rhythm, make a lot of people have been brainwashed, that night to go home and ask my girlfriend to do the evening meal, a look at today’s headlines. read more

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