Hello, world. ORIGINAL HTML --------------- Line 1: Line 16: Line 17: Line 18: Line 19: Line 20: Line 21: Line 25: Line 26: Line 27: Line 28: Line 29: Line 30: Hello, world. Line 31: Line 32: Line 33: AMP-HTML Validation Issues and Fixes ------------------------------------- FAIL on line 25 - The property 'minimum-scale' in attribute 'content' in tag 'meta name=viewport' is set to 'not-a-number', which is invalid. [code: INVALID_PROPERTY_VALUE_IN_ATTR_VALUE category: MANDATORY_AMP_TAG_MISSING_OR_INCORRECT see: https://www.ampproject.org/docs/reference/spec.html#required-markup] ACTION TAKEN: In meta.content the "minimum-scale=not-a-number" property value pair was removed from attribute due to validation issues. - The property 'foo' in attribute 'content' in tag 'meta name=viewport' is disallowed. [code: DISALLOWED_PROPERTY_IN_ATTR_VALUE category: MANDATORY_AMP_TAG_MISSING_OR_INCORRECT see: https://www.ampproject.org/docs/reference/spec.html#required-markup] ACTION TAKEN: In meta.content the "foo=bar" property value pair was removed from attribute due to validation issues. The resulting attribute was empty and was also removed. - The property 'width' is missing from attribute 'content' in tag 'meta name=viewport'. [code: MANDATORY_PROPERTY_MISSING_FROM_ATTR_VALUE category: MANDATORY_AMP_TAG_MISSING_OR_INCORRECT see: https://www.ampproject.org/docs/reference/spec.html#required-markup] - FINAL ACTION TAKEN: meta tag removed from head as it still does not validate. Could not fix tag validation problems. GLOBAL WARNING - The mandatory tag 'meta name=viewport' is missing or incorrect. [code: MANDATORY_TAG_MISSING category: MANDATORY_AMP_TAG_MISSING_OR_INCORRECT see: https://www.ampproject.org/docs/reference/spec.html#required-markup] ACTION TAKEN: meta name=viewport tag was added to the document. COMPONENT NAMES WITH JS PATH ------------------------------ No custom amp script includes required