SEO Minion is a free Chrome extension and Firefox add-on that helps SEOs with their daily SEO tasks. It has a bunch of useful features mentioned below
- On-Page SEO Analysis
- View all links on webpage
- Check webpage for broken links
- Google SERP Preview
- Search location simulator
This message states that the SEO Minion chrome extension will have access to all the pages that you want to analyze using the "Analyze On-Page SEO" feature.
Some extensions that only work on certain websites can list down what websites they should work on. However, since SEO Minion let's you analyze the html contents of any webpage, it needs to have these permissions to work