Technical SEO Checker

A technical SEO checker that crawls your whole site

Indexability, canonicals, hreflang, structured data, sitemaps and more — checked across every page, not just your homepage. Find the technical issues holding your rankings back.

Technical checks most tools skip

We separate indexable from non-indexable pages and check each correctly — so your report reflects what Google actually sees.

Indexability & canonicals

Noindex pages, canonical-to-redirect, canonical changes over time, and pages that became non-indexable.

Hreflang & international

Missing reciprocal hreflang, language mismatches, broken hreflang, missing self-reference, html lang.

Structured data

JSON-LD schema errors plus Google-style missing-field warnings that block rich results.

Crawl & sitemap integrity

Non-canonical URLs in your sitemap, pages missing from it, deep pages, too many links, orphan pages.

Redirects

Redirect chains, broken redirects, HTTP→HTTPS issues, redirected pages with no incoming links.

Security & rendering

Missing HSTS, mixed content, broken images and broken JavaScript references.

Built by people who run their own sites

Kalenux operates 10+ production websites in 15+ languages. This checker is the exact engine we use to keep them technically clean — now available for yours.

See your technical SEO health

Free to start. Crawl your site and get a scored report.

Check my technical SEO