line 2 column 1 - Warning: missing <!DOCTYPE> declaration
line 1 column 1 - Access: [3.2.1.1]: <doctype> missing.
line 1 column 1 - Access: [3.3.1.1]: use style sheets to control presentation.
line 3 column 1 - Access: [13.2.1.1]: Metadata missing.
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/.