link integrity
can only be used with rel=stylesheet
, rel=preload
or rel=modulepreload
Web Standard
Description
A link
element with an integrity
attribute can only be used with rel=stylesheet
, rel=preload
or rel=modulepreload
.
Help
The integrity
attribute is used to verify external CSS files haven’t been tampered with.
Applicable standards
Change history
- 5.34 Jul 2019 Now allows
integrity
onrel=preload
andrel=modulepreload
. - 5.25 Apr 2017 Added to W3 validator in March 2017.
This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.
Rule ID: W3cHtml5LinkStylesheetIntegrity