What does domain redirection mean? What are its application scenarios?
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Domain redirection refers to the process of automatically forwarding access requests from one domain name to another domain name or a specific URL. Simply put, when users visit a domain name, the system will direct them to another preset address. This technology is often used in scenarios such as website management, SEO optimization, and brand protection.
1. Types of domain name redirection
1. Permanent redirection (301 redirection)
Definition: Indicates that the domain name is permanently transferred to a new address.
Purpose: Change the website domain name (for example, from oldsite.com to newsite.com).
Redirect the non-WWW version of the domain name (such as example.com) to the WWW version (such as www.example.com).
SEO impact: Search engines will transfer the ranking weight of the old address to the new address, which is beneficial to SEO.
2. Temporary redirection (302 redirection)
Definition: Indicates that the transfer of the domain name is temporary.
Purpose: Temporarily point to other pages during website maintenance or testing.
SEO impact: Search engines usually do not transfer the weight of the old address to the new address.
3. Frame Redirect
Definition: Use HTML frames to keep the address that users see as the original domain name, but actually load the content of another domain name.
Purpose: Often used to protect brand domain names or display specific content.
SEO impact: Not SEO-friendly because search engines may not be able to index the actual content.
4. Wildcard redirection
Definition: Redirect all subdomains of a domain name to the same address.
Purpose: Applicable to websites that need to centrally manage traffic.
2. Practical application scenarios of domain name redirection
1. Brand protection
Redirect multiple domain names (such as misspellings, different suffixes) to the main domain name to prevent traffic loss.
For example, automatically jump to example.com when visiting example.cn.
2. Domain name normalization
Concentrate all access requests to a unified version (such as https://www.example.com), which is beneficial to SEO and user experience.
3. Domain name migration
When changing the brand or domain name, pass the weight of the old domain name to the new domain name through 301 redirection.
4. Regional management
Redirect traffic to websites in the corresponding country or region based on the domain name visited by the user, such as us.example.com redirects to the US site, and jp.example.com redirects to the Japanese site.
In short, domain name redirection is an important technology in website management. Correct redirection settings can not only improve user experience, but also improve search engine friendliness, thereby achieving effective management and optimization of traffic.
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