Quick answer

HTML Invalid Entity – causes and fixes.

HTML Invalid Entity

HTML Invalid Entity – causes and fixes. Use an HTML validator.

Common causes

How to fix

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

& in attribute?
&.
Entity list?
HTML spec.

Fix it now

Try in validator (prefill this example)

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