SEO-Erweiterung (Quick SEO Inspector) is a lightweight Firefox browser extension that performs one-click on-page and technical SEO audits. It analyzes metadata, headline structure, internal/external links, and structured data (Schema.org). Designed for SEOs and marketers needing fast website insights.
SEO-Erweiterung is a Business & Operations product. Quickly auditing on-page and technical SEO factors for any webpage. It is built as a consumer product for SEOs, web designers, online marketers. The product is available for free. SEO-Erweiterung is available on the web and embeddable surfaces.
It is developed by Manuel Stürkat (Germany), and the product first shipped in 2026. Development happens publicly on GitHub with 1 commits in the last 90 days. Key capabilities include Meta Data Analysis, Headline Structure, and Link Distribution.
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