Heading Tag Markup

Heading Tag Markup

This extension visual highlights the h-Tag on every page.

What is Heading Tag Markup?
Heading Tag Markup is a Firefox add-on that visually highlights h1-h6 tags on every page. It provides a convenient way to identify headings and differentiate them with different colors.
Users: 231 ▲ 6
Rating: 5.00 (2)
Version: 1.3 (Last updated: 2019-02-22)
Creation date: 2019-02-20
Weekly download count: 11
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • https://*/*
  • http://*/*
  • tabs
  • storage
Size: 11.11K
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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With the add-on "Heading Tag Markup" you can highlight the h1-h6 tag on the website.


  • h1 - h6 Highlight day
  • Display which day is currently being output
  • differentiation of h1 - h6 tags by different colors</il>
  • function can be activated / deactivated directly with a click on the Add-On icon
User reviews
nothing to say :)))))
by tanhoangtu, 2023-01-18
View all user reviews
Risk impact

Heading Tag Markup is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Heading Tag Markup if you trust the publisher.

Risk likelihood

Heading Tag Markup has earned a fairly good reputation and likely can be trusted.

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