screenshot 6.3

Developer priorities by diagnostic Derby

Developer priorities allow you to review the important aspects of your assessment from a technical view point. Typically, these priorities relate to changes that cannot be addressed by content editors easily.

Assessment completed on 09 Jul 2018 at 06:27 looking at http://www.derby.gov.uk/.


  • 125 pages

  • 271 pages in 46 documents

  • 1 document

  • None found

  • None found

Five slowest URLs by time to first byte



Top five accessibility issues

Occurrences What We Checked
731 H30 : Providing link text that describes the purpose of a link for anchor elements
165 G141 : Organizing a page using headings
62 H74 : Ensuring that opening and closing tags are used according to specification
62 F70 : Failure of Success Criterion 4.1.1 due to incorrect use of start and end tags or attribute markup
41 PDF18 : Specifying the document title using the Title entry in the document information dictionary of a PDF document

Top five code quality issues

Occurrences What We Checked
297 A "301 Moved Permanently" response was received
279 Invalid attribute name
56 Image file size or dimensions do not match
33 A start tag is missing required attributes
24 A start or end tag was found which was unrecognised

Top five functions / links issues

Occurrences What We Checked
9 Timeout downloading file
4 File not found
2 Image file has incorrect type
1 Access is denied
1 Exception while downloading file