LA - Language Code for Latin

LAMP - Abbreviation for Linux, Apache, MySQL, PHP / Perl / Python

LAN - Abbreviation for Local Area Network

Landing page - The actual page that a user lands on when he clicks through a search engine listing from a PPC campaign or XML feed they are call-to-action pages that prompt the user to engage the site. For best results, these pages are highly targeted for the reader and specific to the PPC ad or feed description. Marketers attempt to improve conversion rates by testing various landing page creative, which encompasses the entire user experience including navigation, layout and copy. Rewriting landing pages is one of the easiest ways companies can increase their conversion rates.

Lead - A typical MWR, mostly referring to a potential customer's contact details. Many companies don't sell online but rather use their sites to generate leads that are then followed up. Many affiliate programs also reward affiliates on a per-lead basis rather than a per-sale basis.

Legacy Data - Referring to information contained in old file types. Usually legacy data can only be viewed with special reader programs.

Link - A word or image on a web page that the reader can click to visit another page. Also known as a hyperlink, it is the "clickable" area of text or image that allows for navigation on the Internet. . Spiders use links to crawl from one page to the next as they index web sites.

Link Bait - The process of getting users to link to your site. (see also: Linkbaiting)

Link Checker - The SEO tool used to check for broken hyperlinks; a program that scans web sites for dead links. Most link checkers generate reports that list all dead links on a site.

Link Exchange - The practice of exchanging links with other websites, often with the purpose of increasing link popularity. A link exchange Internet marketing campaign is the process of exchanging hyperlinks with a quality site that is somehow related to a company's product or service. Good link exchange vendors can increase a company's PageRank and increase the number of targeted visitors.

Link Farm - A site that features links in no particular order that is totally unrelated to each other, similar to FFA pages. Sometimes Link Farm is a group of separate, highly interlinked websites for the purposes of inflating link popularity. Participation in Link Farms considered as SPAM by search engines and could be a reason for banning from index.

Link Hoarding - The practice of getting as many inbound links as possible while giving as few outbound links as possible. This is practice to attempt increase in link popularity and higher PageRank. Considered as SPAM by search engines and could be a reason for banning from index.

Link Maximization - The method of getting popular sites in your industry to link to your website.

Link Partner - A Web site and/or Webmaster who is willing to place a link to your Web site from their Web site. Usually Link Partners engage in reciprocal linking.

Link Path - Using text links to connect a series of page. For example: page 1 connects to page 2, page 2 connects to page 3, page 3 connects to page 4, and so on. Search engine 'spiders' and 'robots' use text links to follow from page to page as they retrieve information about it.

Link Popularity - It is what PageRank based on - a measure of the quantity and quality of sites that link to your site. It is a count of total inbound links from external pages pointing to the subject page. Link Popularity is an important factor in SEO. Some engines use this as factor in determining your SEO marketing ranking. Webmasters and SEO companies use a number of methods to increase Web site link popularity including article PR, Link Exchange, Link Partners, Reciprocal Linking, Link Buying, Link Directories, etc.

Link Swap - The similar to Reciprocal Links, referring to the practice of two or more sites exchanging links in an effort to boost link popularity.

Link Swop - See Link Swap

Link Text - The clickable part of a hyperlink. Also known as Anchor Text or Anchor Link.

Link Tracking - A type of indexing designed to track inbound links to a document. Many search engines offer ways to easily track inbound links. You can find a lot of free SEO tools which could track links to given site.

Link Validator - See Link Checker

Linkable Content - Site content that is so high quality and/or unique that other sites *can't resist* linking to it. Examples include articles, news, forums, newsletters, etc.

Linkage - See Link Popularity

Linkerati - People who are the target of Linkbait, Bloggers, forum users, social taggers, etc.

Linkrot - The situation when Web pages previously accessible at a particular URL are no longer reachable at that URL due to movement or deletion of the pages. That is the similar to the dead links, but more specifically referring to the general problem of dead links on the web.

Links - They are may be indicated with an underline, a color contrast, or a border.

Linux Hosting - Web hosting that supports Linux, an open source operating system that was derived from Unix.

Listings - A listing is a website's presence in a search engine or directory, and is not indicative of a websites' search engine positioning. Also the results that a search engine returns for a particular search term.

Load Balancing - Dividing the load of a single website or service over several web servers.

Log Analyzer - A program that takes a server's "raw" Log File data and summarizes it into easily understood reports.

Log File - A file that records the activity of a web server. Each web site has a log file stored on the server, which records details every time a visitor to the site requests a file. Log files store data such as the IP address of the visitor, the visitor's geo position, operating system, browser etc. The log file can be analyzed to obtain statistics on unique visitors, page views, hits, etc., which are often used as measurements in SEO.

Log File Analysis - Referring to the analysis of records stored in the log file. In its raw format, the data in the log files can be hard to read and overwhelming. There are numerous log file analyzers that convert log file data into user-friendly charts and graphs. A good analyzer is generally considered an essential tool in SEO because it can show search engine statistics such as the number of visitors received from each search engine, the keywords each visitors used to find the site, visits by search engine spiders etc.

Logspam - A type of Spamdexing where one website gives another website enough fake hits so as to get into their top referrer logs and obtain Backlinks. Most often done to high PageRank sites with publicly available site usage logs that are spidered by Google.

Logspamming - Same as a Logspam

LOL - Abbreviation for Laugh Out Loud. Often used on message boards and web forums.

Long Domain Name - The domain names that is longer than the original 26 characters, up to a theoretical limit of 67 characters including the extension, such as .com

LS - Abbreviation for LookSmart a PPC Directory

LSI - Abbreviation for Latent Semantic Indexing, also known as Latent Semantic Analysis. It is a kind of Information Retrieval, which switches the current lexical functioning of every search engine to a semantic one. In this kind of indexing, it is possible that a query returns results that do not contain the keyword or the keywords searched; without any doubt this is the future of search engines.

LVHA - CSS Link Order: a:link, a:visited, a:hover, a:active