What is an absolute address and a relative address

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall

In computer learning and Internet use, we often have access to the concept of absolute and relative addresses. Here, focus on the Internet, specifically on the Web site, the absolute and relative address what is the difference?

Absolute Address: The independent address on the Internet, in any website through this address can directly reach the target page. Contains the primary domain name and directory address.

Relative address: Relative to the site's address, when the domain name changes, the relative address of the "absolute address" also changed.

Suppose 2 websites a:www.goog.e.com b:www.baidu.com

The root directory of these 2 sites is a Web page, such as: 404.html

On both sites, we do the same link/404.html (relative address)

On site A, it points to www.google.com/404.html.

On site B, it points to www.baidu.com/404.html.

If you want the/404.html on site A to point to B, then you need to write www.baidu.com/404.html (absolute address).

A deep understanding of the concept of relative address and absolute address is of great significance to SEO.

1, when you do site links, to use absolute address. For example: Long tail keyword This link anchor text uses absolute address: http://www.google.com/2_76_zh.html, then when this article is reprinted or is crawled by the RSS reader, the link does not change. Conversely, if you use a relative address:/2_76_zh.html then this article is reproduced to other sites, may become: Other sites domain name/2_76_zh.html.

2, the first page of each link to use an absolute address. In particular, some independent IP sites, the use of absolute address can prevent the site from being mirrored by other domain names. If www.google.com home all use relative address, then when have other domain name point to this station IP, in search engine and user view, that station and the content of this station is identical. Home using the absolute address, the user first click, came to the www.google.com domain name.