yaSEO - SEO Analyzer is a Chrome extension designed for in-depth SEO analysis of any website directly from the browser. This free tool provides users with an overall SEO score, categorized into Basic, Social, and Technical aspects. Key features include content analysis that checks heading structures, image alt text coverage, and word counts, as well as keyword density and mobile-friendliness checks. Pro users gain access to advanced features like Core Web Vitals and AI-driven suggestions for optimization.

The tool offers a detailed dashboard that breaks down various technical checks, including title tag presence, meta description optimization, and the detection of essential tags like Open Graph and Twitter Cards. Additionally, yaSEO stores your analysis history locally, allowing for quick access to previously scanned websites. With its lightweight design, all processing occurs within the browser, ensuring no data is transmitted to external servers during analysis.