All free · No signup · No cost
Free SEO & GEO Tools
Every tool is deterministic and runs server-side — pure fetch + parse + compute. No AI calls, no signup, no cost. Type a domain and get an instant report on how well AI engines and search crawlers can find, read and cite your site.
AI Visibility Audit
Score how well AI engines can find, read and cite your site.
Try it →llms.txt Generator
Generate a spec-compliant llms.txt for your site in one click.
Try it →robots.txt Analyzer
See exactly which AI bots your robots.txt allows or blocks.
Try it →schema.org / JSON-LD Validator
Validate your structured data and find missing entity markup.
Try it →Sitemap Checker
Count URLs, find broken links and check lastmod coverage.
Try it →Crawlability / Technical SEO
Check canonicals, meta robots, redirects and hreflang.
Try it →HTTP Header / Security Checker
Check HSTS, CSP, HTTPS redirect and cookie flags.
Try it →Performance / Core-Web-Vitals-lite
Server-timed TTFB, page weight and image weight — no browser.
Try it →Internal Link Checker
Find broken internal links and orphan pages.
Try it →Domain / DNS Health
Check A, MX, NS, SPF, DKIM and DMARC via DNS-over-HTTPS.
Try it →GEO Readiness Report
One-pass composite: audit + robots + schema + crawl + headers.
Try it →Need help implementing the fixes?
devcrafthouse.co.za is a full-service web development agency. We build and maintain high-performance, AI-optimised websites for businesses in South Africa and beyond.
Contact devcrafthouse.co.za