Reference: Conforming XHTML 1.0 Frameset Template

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Conforming XHTML 1.0 Frameset Template with accessibility</title> </head> <frameset> <noframes> <body> <!-- place alternative information for accessibility purposes here --> </body> </noframes> </frameset> </html>