DocJax, a search engine for document, happens to be a viable vertical search engine alternative to Google. In fact, the vertical search engine idea is not by any means new; you could do this by using certain types of queries on Google, such as filetype:pdf for PDF files search, or filetype:ppt for PowerPoint files search to your queries, and etc. Google will also return the search results for the type of documents you expected for.
Now, by using DocJax, they have included not only the Google search results, but also Yahoo! For each of the search results, DocJax include a “Preview It” link, which opens up the document in your Web browser. This feature is truly user-friendly as many users could eliminate the need to download a document in order to view it. From there, DocJax also has options such as “Love It” and “Download It” as well as a tag cloud on the sidebar.
Meanwhile, all the DocJax-specific features are designed to enhance the user-friendly aspect of search experience. The document type of the search results can be changed through a simple click. For example, you want the search results all in Excel format, you can click the xls button on the top, and DocJax will render the results accordingly.
