screenshot 3.0

Developer priorities by diagnostic https://www.c-and-a.com/

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 2020 at 18:37 looking at https://www.c-and-a.com/.


  • 125 pages

  • 19 pages in 10 documents

  • None found

  • None found

  • None found

Five slowest URLs by time to first byte



Top five accessibility issues

Occurrences What We Checked
332 F70 : Failure of Success Criterion 4.1.1 due to incorrect use of start and end tags or attribute markup
327 H74 : Ensuring that opening and closing tags are used according to specification
316 F17 : Failure of Success Criterion 1.3.1 and 4.1.1 due to insufficient information in DOM to determine one-to-one relationships (e.g., between labels with same id) in HTML
315 H93 : Ensuring that id attributes are unique on a Web page
315 F77 : Failure of Success Criterion 4.1.1 due to duplicate values of type ID

Top five code quality issues

Occurrences What We Checked
999+ Invalid attribute name
769 Invalid attribute value
329 A "301 Moved Permanently" response was received
292 A start or end tag was found which was unrecognised
237 Fragment identifier not found

Top five functions / links issues

Occurrences What We Checked
124 File not found
89 Image file has incorrect type
13 Unknown status code received from web server
4 Error status code received from web server
2 Timeout downloading file