serp-preview

Node.js application for drafting SEO titles and meta descriptions from a validated formula catalog, with inspectable scoring and MySQL history.

SERP preview, Open Graph, Schema.org JSON-LD, QR codes, UTM builder, robots.txt and GST — free, browser-only. MIT.

Free SEO and AI-visibility tools that run entirely in your browser. No account, no upload, no server.

Two free SEO tools that are one HTML file each: a Google SERP preview measuring rendered pixels instead of characters, and an SEO ROI calculator modelling profit and payback instead of revenue. No build step, no dependencies, MIT.

Free browser-based SEO tools for titles, meta descriptions, SERP previews, robots.txt, sitemaps, schema, and canonical URLs.

🦞 RankPilot - 本地优先零依赖的 On-Page SEO 优化工作台 CLI | Local-first, zero-dependency on-page SEO audit workbench: crawler, focus-keyword analysis, internal-link graph & multi-format reports