HSTS Preload Auditor

Audit a public XML sitemap for lastmod coverage, stale URLs, child sitemap indexes, score, grade, and SEO maintenance recommendations.

Fetch a public website's robots.txt and report which AI crawlers (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, CCBot, Bytespider, and more) are blocked, allowed, or defaulted. Returns an AI-visibility readiness score with recommendations for GEO and AI-SEO strategy.

Audit a public website's HTTP security response headers in one API call. Returns a letter grade, numeric score, per-header analysis, and actionable recommendations. Built for security teams, devops, and site migration QA.

Audit a public website's security.txt vulnerability disclosure metadata. Checks discovery paths, required fields, expiration, contact methods, and returns a readiness score with recommendations.

Audit whether the URLs in your sitemaps (or a plain URL list) are actually indexable — sitemaps are expanded (bounded nested depth + a hard URL cap) and every page URL gets one evidenced indexability verdict.

"Enrich public GitHub repository URLs with stars, forks, topics, license, activity, owner metadata, release data, and lead-scoring signals. Built for B2B lead generation, devtools research, and competitive intelligence."

"Enrich public GitHub repository URLs with stars, forks, topics, license, activity, owner metadata, release data, and lead-scoring signals. Built for B2B lead generation, devtools research, and competitive intelligence."

"Enrich public GitHub repository URLs with stars, forks, topics, license, activity, owner metadata, release data, and lead-scoring signals. Built for B2B lead generation, devtools research, and competitive intelligence."

"Enrich public GitHub repository URLs with stars, forks, topics, license, activity, owner metadata, release data, and lead-scoring signals. Built for B2B lead generation, devtools research, and competitive intelligence."

Audit a public page's hreflang alternate tags in one API call. Reports x-default, duplicate and invalid values, self-reference, score, and recommendations for international SEO QA.