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Search Link Optimization (SLO) is a process by which internal and external incoming links are optimized for search engine algorithms to determine the relevance of web page content. Relevant anchor text integration, text that contains keywords for optimizing a web page, is key to this process. ==Inbound links, outbound links, internal links== Inbound and outbound links are those that hyperlink two independent web pages together whereas inbound links would hyperlink domain “A” to domain “B” and outbound links would hyperlink domain “B” to domain “A.” Inbound and outbound links are essential to web page visibility often enhancing web page relevance, ranking, & placement. There are few instances where inbound links would be discouraged. Outbound links however should be given sparingly and should only link material to other material of same or similar relevance. Often, developers will utilize a nofollow tag used mostly to further optimize hyperlinks by “instructing” search engines not to distribute any PageRank from the hyperlink. An example of a nofollow tag might be: Wikipedia, Online Encyclopedia Internal links are those that hyperlink within a single domain. Hyperlinks listed higher within the source code typically gain greater relevance. Some developers use a practice known as PageRank Sculpting by using the nofollow tag to adjust the flow of PageRank. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Search link optimization」の詳細全文を読む スポンサード リンク
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