| social bookmarking | Social bookmarking is a link building strategy where you bookmark a webpage on a social site, such as Delicious, StumbleUpon, Diigo, and similar networks. These bookmarks are usually listed under a profile that is visible to the public. Many of these networks will count the number of bookmarks/votes for a webpage and potentially move it to the homepage if it becomes popular within in a short period of time. |
| alt tags | HTML code that enables you to tell the search engines what words to associate with an image. |
| cluster content | A shorter piece of content exploring one aspect of a subject in great detail. Cluster content is linked to from a pillar page to form a topic cluster. |
| google disavow tool | Google Disavow Tool is a tool through which you can remove links that you believe to be unnatural, spammy or low-quality. Its actually a tool that asks Google not to take into account certain links when it evaluates your site. The main problem is identifying correctly the links that negatively affect your site. Disavowing the wrong links might lead to a drop in ranking and also to a Google penalization. Identifying unnatural links may be a tough job. You may use tools like the automatic unnatural link detection tool in order to ease the process. |
| link equity | The value or authority a link can pass to its destination. |