On-page SEO audit tools for every page
Run metadata audits, inspect canonicals, validate hreflang, preview SERPs, and test robots.txt directives without installing a crawler. Paste live or staging HTML and get actionable diagnostics instantly.
Because every check runs in your browser, you can review embargoed product launches or client migrations without sending source code through third-party apps.
Use the comparison links below to explain encoding, hashing, and structured-data workflows to content, dev, and leadership stakeholders.
What this category includes
Start with the featured favorites—Meta Tag Analyzer, SERP Preview, Canonical Checker, Robots.txt Tester, Hreflang Checker, and Redirect Checker—to catch the critical issues blocking crawlers and CTR.
Scroll further to explore the full technical SEO stack, including Open Graph auditing, HTTP header inspection, XML sitemap generation, and Base64 encoding for inline images or structured data payloads.
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Start with these spot-check favorites before diving into crawlers or enterprise suites.
Complete library
All SEO utilities
Everything you need for metadata, indexing, and crawling workflows in one list.
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Read guide →Frequently asked questions
Q1
Can I safely test unpublished pages?
Yes. Copy the HTML source from staging and paste it into any tool—processing happens client-side so embargoed launches remain private.
Q2
How do I combine these tools with crawling suites?
Use a crawler for scale, then drop problematic URLs into these utilities to validate canonicals, robots rules, or Open Graph tags before handing off fixes.
Q3
Which tools help improve CTR?
Meta Tag Analyzer and SERP Preview reveal truncated titles, weak descriptions, and missing rich snippet markup so you can refresh copy before shipping.
Q4
Do any tools fetch live pages automatically?
Redirect Checker and HTTP Header Checker can fetch URLs through a proxy to display status codes and headers, but no payloads are stored.
Q5
What should I audit after a migration?
Run canonicals, robots.txt, hreflang, and redirect traces to confirm every template resolves to the right URL and passes ranking signals forward.
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Explore the full toolkit
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