Link Bursts

A rapid increase in the quantity of links pointing at a website.

Link Churn

The rate at which a site loses links.

Link exchange

A link exchange is the process of exchanging hyperlinks with a quality site that is some way or the other related to a company's product or service. Good link exchange processes can increase a company's PageRank and also the number of visitors who are targeted.

Link Equity

A measure of how strong a site is based on its inbound link popularity and the authority of the sites providing those links.

Link Farm

Website or group of websites which exercises little to no editorial control when linking to other sites. FFA pages, for example, are link farms.

Link Hoarding

A method of trying to keep all your link popularity by not linking out to other sites, or linking out using JavaScript or through cheesy redirects.

Landing page

This is the first page of a site. This is seen by an user when he has followed a link form another site. It can be a home page or a content page.

Landing Page Quality Scores

A measure used by Google to help filter noisy ads out of their AdWords program. When Google AdWords launched affiliates and arbitrage players made up a large portion of their ad market, but as more mainstream companies have spent on search marketing, Google has done many measures to try to keep their ads relevant.

Links

text or graphics that, take the Internet user to another web page location when clicked is called links.

Link building

Link Building refers to the number and quality of the incoming links that are pointing to your site. No marketing tool can replace the effectiveness of word of mouth advertising. The same principle applies to website links. When a trusted site links to yours, people follow the recommendation. That is how linking works.

Link popularity

This plays a significant role in the visibility of the website. Link popularity is the measure of the quantity and quality of other websites that link to a particular site on the web.

Log file

A log file is a list of acions that have happened or occurred.

Link Reputation

The combination of your link equity and anchor text.

Link Rot

A measure of how many and what percent of a website's links are broken.

Looksmart

Company originally launched as a directory service which later morphed into a paid search provider and vertical content play.

Long Tail

Phrase describing how for any category of product being sold there is much more aggregate demand for the non-hits than there is for the hits.

Link Baiting

The art of targeting, creating, and formatting information that provokes the target audience to point high quality links at your site. Many link baiting techniques are targeted at social media and bloggers.

LSI

Latent Semantic Indexing is a way for search systems to mathematically understanding and representing language based on the similarity of pages and keyword co-occurrence. A relevant result may not even have the search term in it. It may be returned based solely on the fact that it contains many similar words to those appearing in relevant pages which contain the search words.

Lead Generation

Web sites that generate leads for products or services offered by another company. On a lead generation site, the visitor is unable to make a purchase but will fill out a contact form in order to get more information about the product or service presented. A submitted contact form is considered a lead. It contains personal information about a visitor who has some degree of interest in a product or service.