RenderLens - JavaScript SEO Inspector

See what the server sends. Discover what JavaScript renders. RenderLens helps SEO professionals, web developers and website owners compare a page's initial HTML response with its rendered DOM to investigate JavaScript SEO issues. Features: Response vs Render: Compare the initial HTML response with the browser-rendered DOM. SEO element comparison: Inspect page titles, meta descriptions, canonical URLs, headings and other important elements. Schema inspection: Identify JSON-LD structured data and inspect schema markup. Link analysis: Compare links found in the initial response and rendered page, with filtering options. HTML inspection: Search and copy raw response HTML and rendered DOM content. Rendering diagnostics: Investigate differences that may indicate client-side rendering or JavaScript-related SEO issues. Who is it for? - Technical SEO specialists - Web developers - Website owners and digital marketers Use RenderLens to investigate how pages are delivered and rendered, identify potential SEO discrepancies, and make debugging easier. Made for people who want to understand what happens between the source and the rendered page.