Quick answer
HTML Script Order – causes and fixes.
HTML Script Order
HTML Script Order – causes and fixes. Use an HTML validator.
Common causes
- Script before DOM.
- Blocking.
How to fix
- Defer or put at end of body.
Use our HTML Validator to paste your markup and see the exact error. Validatethis.org offers free validators for HTML, JSON, XML, CSV, and more. Check /tools for the full list. For API access, see /developers.
FAQ
- Script in head?
- Use defer.
- Blocking?
- Put at end.
Fix it now
Try in validator (prefill this example)