showing the current webpage's website rank on the extension icon
Moz
https://www.opace.co.uk
https://seominion.com
https://toolbarbrowser.com
https://surferseo.com
https://www.seoquake.com
Ubersuggest
https://ahrefs.com
https://detailed.com
https://www.mangools.com
Wuhenlove
https://whatsmyserp.com