Rocket Validator automatically checks your pages on the W3C Validator.
HTML issues tagged as displayText.
displayText is not allowed on
This issue is commonly caused by an old integration of ShareThis via Drupal or other CMS - the old code used invalid attributes like
st_title which were later changed to HTML5 custom data attributes.
- [ShareThis: how to migrate legacy buttons(https://sharethis.com/support/installation/migrate-from-sharethis-legacy-buttons-to-inline-buttons/)
- Drupal: W3C validator issues on st_url
- MDN: using data attributes
When was the last time you validated your whole site?
Keep your sites healthy checking for A11Y/HTML issues on an automated schedule.