Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “Mittwoch, 3. Januar 2018, 8:55T8:55” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 2. Januar 2018, 15:30T15:30” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 2. Januar 2018, 8:35T8:35” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 2. Januar 2018, 7:38T7:38” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Donnerstag, 28. Dezember 2017, 11:16T11:16” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Mittwoch, 27. Dezember 2017, 9:39T9:39” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 19. Dezember 2017, 9:05T9:05” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Freitag, 15. Dezember 2017, 9:39T9:39” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Montag, 11. Dezember 2017, 13:57T13:57” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Montag, 11. Dezember 2017, 10:29T10:29” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Samstag, 9. Dezember 2017, 15:33T15:33” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Donnerstag, 7. Dezember 2017, 14:29T14:29” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 5. Dezember 2017, 10:11T10:11” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Mittwoch, 27. Dezember 2017, 8:17T8:17” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Mittwoch, 20. Dezember 2017, 9:37T9:37” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 19. Dezember 2017, 9:24T9:24” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 19. Dezember 2017, 8:39T8:39” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 19. Dezember 2017, 8:29T8:29” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Donnerstag, 14. Dezember 2017, 8:26T8:26” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 12. Dezember 2017, 9:02T9:02” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Donnerstag, 21. Dezember 2017, 15:34T15:34” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Freitag, 15. Dezember 2017, 14:28T14:28” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 12. Dezember 2017, 10:43T10:43” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Montag, 11. Dezember 2017, 11:31T11:31” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Dienstag, 26. Dezember 2017, 8:39T8:39” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “navigation” for attribute “role” on element “ul”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.