Core Web Vitals, crawl budget, and site audit calculators. Browse our free technical seo tools below — all calculators are instant, accurate, and require no sign-up.
Canonical URL Audit Calculator — Audit your canonical URL implementation. Calculate correct canonical percentage, identify misconfigurations, and estimate duplicate content impact on SEO.
Crawl Budget Estimator — Estimate your site's crawl budget efficiency. Enter crawl rate, total pages, and non-indexable pages to calculate effective crawl budget and waste.
Index Coverage Ratio Calculator — Calculate your index coverage ratio by comparing indexed pages to submitted pages. Identify indexing issues and estimate the impact on organic traffic potential.
Mobile Usability Score Calculator — Calculate your page's mobile usability score. Enter usability issue counts to see penalties, composite score, and priority fixes for mobile-first indexing.
Page Speed Impact Calculator — Calculate the traffic and revenue impact of page load time. Enter current traffic, load time, and bounce rate increase per second to estimate losses.
Schema Markup Coverage Calculator — Calculate your site's schema markup coverage. Enter total indexable pages and pages with structured data to see coverage percentage and SERP opportunity.
Sitemap Coverage Calculator — Calculate your XML sitemap coverage ratio. Compare URLs in your sitemap to total indexable pages and find gaps that could hurt crawling and indexing.