I - Search Engine Optimization Glossary...

I - Search Engine Optimization Glossary for SEO terms that begin with the letter ' I ' including definitions.

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IFRAME: IFrame (from inline frame) is an element of HTML that makes possible embedding another HTML document within the main document. “The size of the IFrame is specified in the surrounding HTML page, so that the surrounding page can already be presented in the browser while the IFrame is still being loaded. The IFrame behaves much like an inline image, and the user can scroll it out of view. On the other hand, the IFrame can contain its own scroll bar, independent of the surrounding page's scroll bar. Source: Wikipedia

IPTV: Internet Protocol Television, the delivery of a digital television service over a network using the Internet Protocol through high capacity, high speed broadband connections, which may offer some previously untapped sources of interest to PPC search advertisers via program interfaces and/or stored individual preferences.

Impression: A measure of viewings, a single view or display of an ad (used for calculating CPM).  Ad reports list total impressions per ad; giving the number of times an ad was served by the search engine when searchers entered your keywords (or viewed a content page containing your keywords).

Index: A search engine’s “index” refers to the amount of documents found by a search engine’s crawler on the web.

Indexability: Also known as crawlability and spiderability. Indexability refers to the potential of a web site or its contents to be crawled or “indexed” by a search engine. If a site is not “indexable,” or if a site has reduced indexability, it has difficulties getting its URLs included.

IP Address: Dedicated and shared IPs. An IP address is an identifier for a computer or device on a TCP/IP network. Networks using the TCP/IP protocol route messages based on the IP address of the destination. The format of an IP address is a 32-bit numeric address, written as four numbers separated by periods. Each number can be zero to 255. For example, 1.160.10.240 could be an IP address.” Source: Webopedia.  (Added definition) An IP Address can be dedicated for one web site or shared by multiple web sites.

IP Address: Internet Protocol Address, a unique combination of numbers assigned to individual electronic devices or networks that communicate over the Internet. A trackable address sometimes used to localize results (see Geo-Targeting). Internet Assigned Numbers Authority (IANA) oversees global IP address allocation.

IP Address Lookup: The process of determining a unique Internet Protocol (IP) address. DNSstuff is one free program to look up an IP address (http://www.dnsstuff.com).

IASAPI_rewrite: A powerful URL manipulation engine based on regular expressions. It acts mostly like Apache's mod_rewrite, but is designed specifically for Microsoft's Internet Information Server (IIS). ISAPI_rewrite is an ISAPI filter written in pure C/C++ so it is extremely fast. ISAPI_rewrite gives you the freedom to go beyond the standard URL schemes and develop your own scheme.

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