tag inspector - Robuta Search

https://chromewebstore.google.com/detail/slash-mark-meta-tag-inspe/nhfnahcnieincaocnkfaigdpbknofdde

Clean and simple tool to view all meta tags of the current webpage.

https://chromewebstore.google.com/detail/optimise-tag-inspector/ekiippaneofjfjgokhonnfbpjlmmajdc

Optimise Tag Inspector