Keyword research Incorporate these types and keywords as new entries on your sheet, and find out if you can make new keywords by combining them with current entries. The main paper about the task, describing PageRank and also the Preliminary prototype of your Google search engine, was released in 1998:[five] http://keywordlists19753.blogolize.com/5-Simple-Statements-About-keyword-research-strategy-Explained-7125655