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Developer priorities by diagnostic British Transport Police Authority

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 07 Oct 2020 at 13:29 looking at http://www.btp.police.uk/.


  • 125 pages

  • None found

  • None found

  • None found

  • None found

Five slowest URLs by time to first byte

URL Time to first byte (ms)
http:/​/​www.btp.police.uk/​advice_and_information/​how_we_tackle_crime/​trespass_and_vandalism.aspx 46
http:/​/​www.btp.police.uk/​js/​build_images/​templates/​default/​css/​system/​templates/​default/​css/​system/​jquery.selectBox.css 42
http:/​/​www.btp.police.uk/​ 39
http:/​/​www.btp.police.uk/​js/​templates/​default/​css/​system/​templates/​build_images/​footer/​foursquare.png 34
http:/​/​www.btp.police.uk/​js/​build_images/​home/​templates/​default/​build_images/​footer/​youtube.png 33


Top five accessibility issues

Occurrences What We Checked
999+ H74 : Ensuring that opening and closing tags are used according to specification
999+ F70 : Failure of Success Criterion 4.1.1 due to incorrect use of start and end tags or attribute markup
993 G141 : Organizing a page using headings
260 H30 : Providing link text that describes the purpose of a link for anchor elements
135 F38 : Failure of Success Criterion 1.1.1 due to omitting the alt-attribute for non-text content used for decorative purposes only in HTML

Top five code quality issues

Occurrences What We Checked
627 A "301 Moved Permanently" response was received
126 Invalid attribute value
10 Relative URL attempted to move beyond top level
5 Invalid attribute name
2 Image file size or dimensions do not match

Top five functions / links issues

Occurrences What We Checked
851 Image file has incorrect type
125 Unknown status code received from web server
124 Timeout downloading file
2 File not found
0 Access is denied