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Therefore , in order for a web site 's documents to be searchable using these web search engines , the documents need to be in the form of static HTML ( or plain text ) files . This can be achieved by either putting the code directly into the MyUni text box , or by using a web page editor such as Netscape Composer to construct your reference list and putting the resulting file intoMyUni . Cora is a special purpose search engine for research in computer science that supports keyword searches of Postscript-formatted papers found using a Web spider . I get emails asking me about space history , or how many galaxies there are , or things like that , all of which can be answered more quickly using a web search . If you're working in Internet Explorer , you have the advantage of using the Web Folder , which is also called WebDav .