Houqingrong about how to quickly delete a snapshot of a Web page

Why we just in search engine search box to enter the keyword to query, search engine will immediately on the vast expanse of the Internet, the inclusion of all the pages sweep, presented in front of us.

If you understand how the search engine works, you don't think so. Each page has a number of hyperlinks, links to other pages, and these pages still have a lot of hyperlinks, and can link to other pages ...

In this way, you finally find that almost all Web pages on the Internet are linked together. In fact, this is the search engine work principle, search engine use this way to find all the pages can be found, in fact, this seemingly a little silly, but the search engine is really used this means to make a bread.

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Big Brother Google, the search engine, derives its name from an almost impossible number in mathematics: Google, which is 10 of 100, can tell by name how greedy the appetite of Google's search engine is. It has more than 400 million pages in its web database (as it says), and the 400 million pages are replicated on the Internet, and each of these pages is called a snapshot of a Web page.

Web page snapshot is the search engine crawl the page, the content of the Web page cache to the search engine server, convenient site can not open, easy to view the content through a snapshot of the Web page, very practical convenient for the search engine users, but at the same time some personal privacy machine information is also a snapshot of the Web page So how do I delete a snapshot of a Web page? Houqingrong analysis summarizes commonly used methods to delete search engine snapshots.

Universal Delete Web page Snapshot method:

1, delete the page content page, and other search engines in the large update will be a snapshot of the Web page in the search engine to delete, this method is mainly to see the search engine after the site crawl procedures and update the extent of the theory;

2, follow the search engine robots protocol, set up a text file, and place the root directory of the Web page, prohibit search engine crawl, the code is as follows:

user-agent:*

Disallow:

In addition to the above methods, the three search engines can also use the following methods to prevent search engine crawl, delete the snapshot of the page.

How to delete Baidu page snapshots

Register with the site mailbox, through e-mail, specify the reasons for deleting a snapshot of the page, sent to Baidu Administrator: Webmaster@baidu.com mailbox, Baidu management personnel, will contact you according to the situation, verify the address, as soon as possible delete Baidu snapshot.

How to delete Google Web snapshots

Sign up for Google Webmaster Tools, open http://services.google.com/urlconsole/controller steps, delete Google page snapshots.

How to delete yahoo page snapshots

By adding "HTML" to the Web meta tag, the Yahoo search engine deletes the snapshot in the big update.

Author: Houqingrong Original website: http://www.noseo.org.cn/ruheshanchu-wangyekuaizhao.html

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