line 8 column 23 - Warning: discarding unexpected </frame>
line 7 column 1 - Access: [6.5.1.1]: <frameset> missing <noframes> section.
line 8 column 1 - Access: [12.1.1.3]: <frame> title invalid (spaces).
Tidy found 1 warning and 0 errors!

For further advice on how to make your pages accessible
see https://www.w3.org/WAI/GL and https://www.html-tidy.org/accessibility/.