Lag	The amount of time between making an online request or command and receiving a response. Until lag time becomes no time at all the internet will not be consumer-friendly, and its profit potential will remain limited.
Landing Page	The specific web page that a visitor ultimately reaches after clicking a search engine listing. Marketers attempt to improve conversion rates by testing various landing page creative, which encompasses the entire user experience including navigation, layout and copy.   Source: Did-It.com
Log File	A file maintained on a server in which details of all file accesses are stored. Analysing log files can be a powerful way to find out about a web site's visitors, where they come from and which queries are used to access a site.Various software packages are available to analyse log files, and some are listed below.
LookSmart	A medium-sized directory. The URL is http://www.looksmart.com.
Lycos	One of the largest search engines, Lycos appears to be moving towards becoming a directory and is using the Open Directory for some search results. It can be slow to index new sites. The lycos spider ignores meta tags in pages. Lycos can be found at http://www.lycos.com.
Link Popularity	A raw count of how "popular" a page is based on the number of backlinks it has. It does not factor in link context or link quality, which are also important elements in how search engines make use of links to impact rankings. A measure of inbound links. Several search engines have included this factor into their algorithms, the most notable being Google with their trademarked PageRank.
Listings	The information that appears on a search engine's results page in response to a search.
Link	An electronic connection between two Web sites (also called "hot link").
Listserver	A program that automatically sends email to a list of subscribers. It is the mechanism that is used to keep newsgroups informed.
Load	Usually used with up-load or down-load, it means to transfer files or software -- to "load" -- from one computer or server to another computer or server. In other words, it's the movement of information online.
Log or Log Files	File that keeps track of network connections. These text files have the ability to record the amount of search engine referrals that is being delivered to your website.
Login	The identification or name used to access -- log into -- a computer, network or site.
Mailing List	Online a mailing list is an automatically distributed email message on a particular topics going to certain individuals. You can subscribe or unsubscribe to a mailing list by sending a message via email. There are many good professional mailing lists, and you should find the ones that concern your business.