11.Link Building:The process of creating inbound links to owns website. This can be done reciprocal links, being listed in e-zines, newsletters, directories, search engines, etc.

12.Anchor Text:Anchor text is the visible text in a hyperlink. Anchor text is weighted (ranked) highly in search engine algorithms, because the linked text is usually relevant to the landing page. The objective of search engines is to provide highly relevant search results; this is where anchor text helps, as the tendency is, more often than not, to hyperlink words relevant to the landing page.

13.Title tag:Define a page title. This element is required in every HTML and XHTML document. Different user agents may make use of the title in different ways. Web browsers usually display it in the title bar when the window is open, and in the task bar when it is minimized. It may become the default filename when saving the page, Search engines' web crawlers may pay particular attention to the words used in the title element. The title element must not contain any nested tags.

14.Alt tag:The alt attribute is used in HTML documents to specify text which is to be rendered when the element to which it is applied cannot be rendered. In HTML 4.01, the attribute is required for the img and area element types. It is optional for the input element type and the deprecated applet element type.

15.Page Rank:PageRank is a patented method (an algorithm) to assign a numerical weighting to each element of a hyperlinked set of documents, such as the World Wide Web, with the purpose of "measuring" its relative importance within the set. The algorithm may be applied to any collection of entities with reciprocal quotations and references. The numerical weight that it assigns to any given element E is also called the PageRank of E and denoted by PR(E).

16.Pay Per Click(PPC):Pay per click, or PPC, is an advertising technique used on websites, advertising networks, and search engines.With search engines, pay per click advertisements are usually text ads placed near search results; when a site visitor clicks on the advertisement, the advertiser is charged a small amount. Variants include pay for placement and pay for ranking. Pay per click is also sometimes known as Cost Per Click (CPC).

17.Blog: Blog (or weblog) is a website in which items are posted and displayed with the newest at the top. Like other media, blogs often focus on a particular subject, such as food, politics, or local news. Some blogs function as online diaries. A typical blog combines text, images, and links to other blogs, web pages, and other media related to its topic.

18.Forum:An Internet forum is a facility on the World Wide Web for holding discussions, or the web application software used to provide the facility.

19.Newsgroup:A newsgroup is a repository usually within the Usenet system, for messages posted from many users at different locations. The term is somewhat confusing, because it is usually a discussion group. Newsgroups are technically distinct from, but functionally similar to, discussion forums on the World Wide Web. Newsreader software is used to read newsgroups.

20.Packet Sniffer:Packet sniffers (also known as network or protocol analyzers or Ethernet sniffers) are software programs (usually) or computer hardware that can intercept and log traffic passing over a digital network or part of a network. As data streams travel back and forth over the network, the sniffer captures each packet and eventually decodes and analyzes its content according to the appropriate RFC or other specifications.