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Developer priorities by diagnostic Blackwell UK

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 16 Jan 2015 at 14:45 looking at http://bookshop.blackwell.co.uk/.


  • 125 pages

  • None found

  • None found

  • None found

  • None found

Five slowest URLs by time to first byte



Top five accessibility issues

Occurrences What We Checked
999+ F70 : Failure of Success Criterion 4.1.1 due to incorrect use of start and end tags or attribute markup
999+ H74 : Ensuring that opening and closing tags are used according to specification
999+ C22 : Using CSS to control visual presentation of text
999+ H30 : Providing link text that describes the purpose of a link for anchor elements
883 G92 : Providing long description for non-text content that serves the same purpose and presents the same information

Top five code quality issues

Occurrences What We Checked
999+ Invalid attribute value
999+ Image file size or dimensions do not match
667 Invalid attribute name
547 A "301 Moved Permanently" response was received
419 A start or end tag was found which was unrecognised

Top five functions / links issues

Occurrences What We Checked
32 File not found
4 Timeout downloading file
3 Image file has incorrect type
3 Unknown status code received from web server
0 Access is denied