UncodeSEO is a free Chrome extension designed to enhance website performance through SEO analysis. By appending the parameter ?uncodeseo to the URL, users can quickly obtain a detailed SEO score along with actionable recommendations for improvement. The tool focuses on key aspects such as header structure, meta tags, image attributes, and link analysis, ensuring a comprehensive evaluation of the webpage's SEO health.

Key features include the analysis of header tags (H1 to H6), verification of meta tags including descriptions and Open Graph data, and image analysis for accessibility improvements. Additionally, it checks for structured data presence, security via HTTPS, and custom favicon usage. UncodeSEO is user-friendly, providing instant results that help optimize both search engine ranking and user experience.