It is the practice of using the IP, the network address of the connecting computer, whether robot or human, and sending different content based on that.
The database used to assist with the process.
In the case of geo-targeting:
- Databases stores various ranges of IP addresses, and indicates where this ranges of IPs are in the world.
- A geo-targeting script scans the list to see in which country the current IP is located.
- Programmer can use this value to effect changes in presentation or logic.
In the case of cloaking :
- Databases stores the IP addresses of the various spiders that may hit your site.
- The cloaking script scans the list to see if the current IP is a spider.
- The programmer can use this information to effect changes in presentation or logic.
- Implementations of IP-delivery-based cloaking also look at the User-Agent header of the request.
- The user agent header is a header sent by both browsers and spiders.
- But it is not regarded authoritative, because both users and spiders may not tell truth about who they really are.
- In the former case, spiders indicate that they are humans in order to detect spamming employing cloaking.
Its a nice concept for SEO.
ReplyDelete