Here’s an interesting article on SEO ranking….
There are many in the industry who use IP recognition to serve ads or fool search engine spiders through cloaking. Yet I’m here to tell you that there are many other uses for IP recognition as well, such as improving your search engine positioning, and serving geo-targetted content.
Before I get into what you can do with IP recognition, let me explain what it is.
IP recognition is a way to recognize where visitors are from by matching their IP address to a database of world IP addresses.
Each country in the world is assigned an IP range from which ISPs pull IP addresses to assign to their clients. Even companies who want a private IP request them from the same pool as ISPs.
In addition, each Domain Name Server also knows where these IP addresses reside, so even if a site is a “.com� or a “.co.uk� domain, the DNS system still knows that not all .com domains reside in the US, nor do all .co.uk domains reside in the UK. In fact, we all know that domains can reside all over the world regardless of their DNS suffix.
So it is important to have another way to identify you visitor and this is where the IP comes in.
IP addresses are about as unique as they can get. Sure multiple users can share IP’s as is common with large ISP’s but the address still comes from one country’s pool.
So how does one set up IP recognition?
Well, first, you need to get the free IP to country database. This can be found at this IP to Country website. On this site you will also find examples in PHP and ASP scripts which can be used to implement the resolution of an IP address to a country. There is a little work involved – it isn’t just a matter of finding the IP in the database and matching it to a country. There are some calculations, but complete instructions can be found on the site.
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