TOOLS for SEO HERE

Here the google chrome extension for check headers, meta descriptions, keywords, alt tags etc

Portent´s SEO Page here  https://chrome.google.com/webstore/detail/portents-seo-page-review/babgchcegnkbiojmdpnoilficladccfm

Tools for check nofollow , follow , external, internal link here

https://chrome.google.com/webstore/detail/mozbar/eakacpaijcpapndcfffdgphdiccmpknp

Tools:

You can use Optimizer tool or serp-preview-tool to see how looks the snippets on your page if this already published.