Complete Responsive SEO Audit Tool using

 Here's a complete responsive SEO Audit Tool using HTML, CSS, and JavaScript.

SEO Audit Tool

It includes a stylish design and functionality to analyze basic SEO factors like meta tags, headings, and mobile-friendliness. It uses the free Bootstrap and FontAwesome libraries for styling. 

This SEO Audit Tool provides a visually appealing interface with Bootstrap styling. It checks basic SEO factors and gives a simple report with colorful icons. Let me know if you need additional features like API integration for real audits