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On page SEO checker

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On page SEO checker audits one URL for title, meta, H1, links, and common on-page flags. Instant Plus snapshot. Not a full site crawl.

Sign in and get Plus ($19/mo) to run live keyword research. Free browser SEO helpers stay available without Plus.
Complements the free title length and meta generators. Not a full crawl or Core Web Vitals report — one-page snapshot for on-page basics.

How it works

  1. 1

    Paste a URL

    Any public page — we fetch it once.

  2. 2

    On-page snapshot

    Title, meta, H1, links, and common issue flags.

  3. 3

    Export CSV

    Save the checklist for your content brief.

Need more room?

Pro lifts daily file caps. Plus adds keyword research when you outgrow free checks.

See plans — from $9/mo

Why people use Toolsy

Fast

You get the result in a second. No waiting in a line.

Private

Browser tools stay on your device. Uploaded files are processed and discarded with the response.

No sign-up

Open the page and start. An account is only for paid plans.

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Run an on page SEO checker on one URL before you publish

An on page SEO checker looks at one page: title, meta, headings, links, and common flags. You get a fast snapshot, not a full site crawl.

Paste a live URL after a draft or redesign. Fix issues, then recheck. Pair with free title length and meta tools for copy drafts.

This is a Plus tool. It costs research credits per URL. Use it when you need a live page check, not a whole-site audit.

Good for

  • Pre-publish URL checks
  • Landing page fixes
  • Client page spot checks
  • Title and H1 reviews

Tips

  • One URL per run
  • Fix title and H1 first
  • Recheck after edits
  • Use free meta tools for drafts

Common questions

What does an on page SEO checker check?

Title, meta description, H1, links, and common on-page flags for the URL you paste.

Do I need Plus for the on page SEO checker?

Yes. Live page audits are on Plus. Free tools on Toolsy still help with title length and meta drafts.

Is the on page SEO checker a full site SEO audit?

No. It audits one page at a time. It is not a full crawl of every URL on the site.

How is an on page SEO checker different from free meta tools?

Free tools help you write titles and tags. This checker reads a live URL and flags issues on the page.

How many on page SEO checker runs do I get?

Plus includes 200 research credits per month. This tool uses credits per URL. Cached repeats within 7 days may not.

On Page SEO Checker Online — Toolsy