Rocket Validator integrates axe-core version 4.4, into an automated web site scanner.
Accessibility rules tagged as WCAG: 1.4.12.
Ensure that text spacing set through style attributes can be adjusted with custom stylesheets.
Many people with cognitive disabilities have trouble tracking lines of text when a block of text is single spaced. Providing spacing between 1.5 to 2 allows them to start a new line more easily once they have finished the previous one.
When was the last time you validated your whole site?
Keep your sites healthy checking for A11Y/HTML issues on an automated schedule.