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Developer priorities by diagnostic Derry City and Strabane District Council

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 01 Jan 2023 at 11:02 looking at https://www.derrystrabane.com/.


  • 125 pages

  • 1 page in 1 document

  • None found

  • None found

  • 1 document

Five slowest URLs by time to first byte



Top five accessibility issues

Occurrences What We Checked
999+ G18 : Ensuring that a contrast ratio of at least 4.5:1 exists between text (and images of text) and background behind the text
347 G91 : Providing link text that describes the purpose of a link
242 H74 : Ensuring that opening and closing tags are used according to specification
139 G134 : Validating Web pages
118 H44 : Using label elements to associate text labels with form controls

Top five code quality issues

Occurrences What We Checked
857 A "301 Moved Permanently" response was received
392 Invalid attribute name
381 A start tag is missing required attributes
121 A redundant close tag was found
6 Invalid attribute value

Top five functions / links issues

Occurrences What We Checked
28 File not found
19 Host not found in DNS
3 Exception while downloading file
2 Access is denied
1 Error status code received from web server