SPAs inject content after hydration. Googlebot first-pass crawl sees the static HTML; real users see the rendered DOM. Paste your rendered HTML here, optionally pair with your URL for a full static-vs-rendered diff. A manual but precise alternative to serverless Chromium.
Read the story behind this tool: Why I built this - the pragmatic SPA-gap solution.
Related: Hydration Parity Audit / RUM Beacon (paired)
How to capture rendered HTML: Open the page in Chrome. Wait for full load (including SPA hydration). Open DevTools (F12). In Elements panel, right-click the <html> tag at the top. Select Copy > Copy outerHTML. Paste here.