By itself the best app in this area. Disadvantage: it crashes with me every day, I have to repair it every day, that's quite tiring.
The plugin 'SEOInfo' provides comprehensive SEO checks, structured data validation, performance monitoring, link analysis, meta tags analysis, indexation tools, heading structure analysis, and site parameter checking
It offers automated and on-demand checks and validation for Core Web Vitals scores, canonical links, AMP pages, HrefLang, and assets
It also collects and displays information such as page title, description, canonical, Google search results preview, indexability, mobile-compatibility, server-side redirects, performance metrics, service workers status, links validation, AMP status, HRefLang tags, server response headers, OGP and Twitter Cards tags, JSON-LD structured data tags, and assets loaded
The extension icon changes to indicate the current page status, and clicking the icon provides detailed information