Abstract: The invention relates to a method for an automatic and on-the-fly conversion of website's non-accessible documents to respective documents in an accessible format, comprising: (a) inserting a first script within each web page of said website that contains one or more non accessible documents; (b) upon loading of a web page from said website to a user's browser, executing said first script, which in turn identifies all original links within said web page to non-accessible documents, said script also substitutes a respective alternative link for each of said original links respectively, each of said alternative links leads to an alternative address, respectively, within a conversion server; (c) upon clicking by a user of one of said alternative links, extracting by said conversion server the respective non-accessible document, and transferring the respective non accessible document to said conversion server; (d) converting said non-accessible document to a respective document in an HTML format; (e) adding to sa