Tip! You can create a bookmarklet by saving following code as URL of your bookmark:
javascript:void(window.open('https://krylan.ovh/tools/seo-heading/?url='+encodeURIComponent(window.location.href), '_blank'))
javascript:void(window.open('https://krylan.ovh/tools/seo-heading/?url='+encodeURIComponent(window.location.href), '_blank'))
Tip! You can download browser extension of HTML Headings Checker for free:
https://github.com/Krylan/seo-heading-ext
https://github.com/Krylan/seo-heading-ext