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Markup Changes Chrome Extensions
Total markup changes plugins - 4
MarkUp For Chrome
Visual Feedback for Websites
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Markup - Web Markups & Highlighter
Highlight, manage, and share any web page or article anytime, anywhere!
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Heading Tag Markup
This extension show the h-Tag on page.
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Validate Schema in Schema Markup Validator
Open the current tab in Schema.org Validator by Break The Web
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