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Ten free, instant tools to check your technical SEO health and generate structured data. No signup, no email, no friction. Just paste a URL and go.

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10 tools available — all free, no signup required

On-Page SEO

HTML Headings Checker (H1–H6)

Check your page's heading hierarchy — H1 through H6. Paste HTML to see the full structure tree, identify missing H1s, multiple H1s, and skipped heading levels.

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Technical SEO

Noindex/Nofollow Checker

Check meta robots tags and X-Robots-Tag headers to see if a page is blocked from indexing or following. Catch accidental noindex directives before they hurt your search visibility.

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On-Page SEO

SEO-Friendly URL Checker

Analyze a URL for length, readability, structure, stop words, special characters, and keyword relevance. Get practical suggestions for cleaner, more descriptive URLs.

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On-Page SEO

Meta Title & Description Checker

Check your meta title and description length with a live search-result preview. See how your snippet may appear, get practical recommendations, and optimize for clicks.

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Technical SEO

Canonical Tag Checker

Check canonical tag presence, verify self-referencing vs cross-page canonicals, and identify duplicate or conflicting canonical issues that can cause indexation problems.

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Technical SEO

Hreflang Tag Checker

Validate hreflang tags for multilingual sites. Check for return tags, correct language-region codes, x-default usage, and common implementation errors that affect international SEO.

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Technical SEO

XML Sitemap Validator

Validate your XML sitemap structure, check URL count limits, lastmod format, and flag potential issues. Ensure your sitemap helps search engines discover your most important pages.

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Technical SEO

Robots.txt Checker

Fetch and parse robots.txt to check crawler access rules, validate syntax, flag blocked important paths, and identify common misconfigurations that affect crawlability.

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Technical SEO

HTTP to HTTPS Redirect Checker

Check if the HTTP version of a URL properly redirects to HTTPS. Identify redirect chains, redirect loops, and incorrect redirect types that affect security and search visibility.

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On-Page SEO

Schema Markup Generator

Generate Schema.org JSON-LD structured data for your website. Select a schema type, enter your information, and copy valid markup for implementation.

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