Free tools
Eight tools for SEO, competitive research, and web monitoring. No account required - just paste a URL and go.
Check if any website is online right now. Returns HTTP status, response time, and final URL after redirects.
Inspect title, description, Open Graph, Twitter Card, canonical, and robots tags for any URL.
Follow every redirect hop for a URL. Spot redirect loops, mixed HTTP/HTTPS chains, and too-many-hops issues.
Fetch and parse robots.txt for any domain. See allow/disallow rules per user-agent and sitemap directives.
Find and explore the XML sitemap for any domain. View all indexed URLs with lastmod dates and priority scores.
Inspect all HTTP response headers for any URL. Security headers, caching directives, and server info highlighted.
Paste two versions of any text or HTML and see exactly what changed - line by line, additions and removals.
Fetch any URL and get word count, sentence count, reading time, Flesch score, and page structure breakdown.
These tools check once. SiteGauge watches continuously - and alerts you the moment something meaningful changes.