This extension will show <h> tag on page

This extension show all H1, H2, H3, H4, H5 and H6 tags on page.
Very simple and useful extension for SEO  specialists and web content makers.
To view the tags, click the ""Show tag"" button. To view the page in its original - click the ""Hide tag"" button.
With this extension, you can easily check the structure of <H> tag on your page.