Seo Analyzer

Run a quick on-page SEO check with actionable improvement hints

This page is useful when a page is live but underperforming in search and you need a fast structure review.

Paste HTMLPriority fixesChecklist exportPrivacy-first

Open workspace ↓Browse ai

Workspace

Ready below

Jump straight to the tool. Guides and related tools stay below.

Browser-based · Free

AI / On-Page SEO QA

AI SEO Analyzer Online Free

Paste raw HTML to audit title tags, meta descriptions, headings, links, alt coverage, schema, and indexability before you publish or refresh an SEO page.

Paste HTMLPrioritized fixesChecklist exportClient-side review

SEO Score

How to run a better audit

Paste the full HTML document, especially the <head> tags and main body content.
Set the primary keyword you want the page to rank for and the real site base URL.
Review the weighted issues first, then use the metrics and heading outline to confirm structure.
Export the checklist after fixes so content, SEO, and dev teams can work from one QA pass.

Best results come from pasting the exact HTML version you plan to ship, including the full <head> and main content sections.

Best for

Landing page refreshes before deploy
Blog and content QA before publishing
Service pages with weak rankings or CTR
Template checks for CMS-generated pages

What this tool does not do

This analyzer reviews pasted HTML only. It does not crawl a live URL, measure Core Web Vitals, replace Search Console, or diagnose index coverage across the whole site.

Content

0 pass

Technical

0 pass

Metadata

0 pass

Links

0 pass

Media

0 pass

What this SEO analyzer checks

The report is designed for fast on-page QA, so it balances metadata, structure, technical setup, link quality, and media coverage instead of relying on one shallow score.

Metadata

Title length, meta description coverage, Open Graph, Twitter card, and keyword placement.

Content structure

H1/H2/H3 hierarchy, body depth, and whether the target keyword appears naturally in core locations.

Indexability

Canonical URL, robots directives, html lang, viewport, and JSON-LD presence for cleaner technical setup.

Links

Internal links, external links, and insecure http references that weaken trust or crawl flow.

Media and accessibility

Image count and alt-text coverage so important visuals are not left unlabelled.

Primary target keyword

Base URL for internal-link checks

Paste the full document when possible so title, canonical, robots, social tags, and schema checks stay accurate.

<!doctype html>
<html lang="en">
  <head>
    <title>Best SEO Analyzer Tool for Fast On-Page Audits | ToolerWork</title>
    <meta name="description" content="Run an on-page SEO analysis for title, meta, headings, links, image alt text, and keyword usage in seconds." />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <meta property="og:title" content="SEO Analyzer | ToolerWork" />
    <meta property="og:description" content="Analyze title, heading, links, and metadata quality in one report." />
    <meta property="og:type" content="website" />
    <meta name="twitter:card" content="summary_large_image" />
    <link rel="canonical" href="https://www.toolerwork.com/tools/ai/seo-analyzer" />
    <meta name="robots" content="index,follow" />
    <script type="application/ld+json">{ "@context":"https://schema.org", "@type":"SoftwareApplication", "name":"SEO Analyzer" }</script>
  </head>
  <body>
    <h1>SEO Analyzer</h1>
    <p>This SEO analyzer helps teams audit title, headings, metadata, and internal links before publishing.</p>
    <h2>Why this SEO analyzer helps</h2>
    <p>It surfaces practical fixes, keyword gaps, and technical quality signals quickly.</p>
    <h2>How to use the analyzer</h2>
    <p>Paste your HTML and review weighted issues with recommendations.</p>
    <a href="/tools">Tools Hub</a>
    <a href="/tools/dev/meta-tag-generator">Meta Tag Generator</a>
    <a href="https://developers.google.com/search">Google Search Docs</a>
    <img src="/img/seo-audit.png" alt="SEO dashboard metrics" />
  </body>
</html>

Priority Fixes

No critical issue detected in weighted checks.

Heading Outline

No headings detected.

Extracted Metrics

Title chars

Description chars

H1/H2/H3

0/0/0

Total links

Internal links

External links

Insecure links

Image alt coverage

Schema blocks

Keyword density

0.00%

All Checks

How to interpret the result

Fix the highest-weight warnings and failures first because they move the score fastest.
Treat title, description, H1, and canonical issues as core pre-publish blockers for important pages.
Use the heading outline to catch duplicate or empty sections before content goes live.
Pair this report with live crawl and Search Console data when the page is already indexed.

Next SEO workflow

After the audit, move into metadata cleanup, slug polish, and content refinement with these related tools.

Frequently asked questions

What does the SEO analyzer check?

The analyzer checks title tag length and keyword placement, meta description, H1/H2 heading structure, image alt text, internal and external link quality, canonical tags, robots meta, structured data (schema), and indexability signals.

Do I need to enter a URL or paste HTML?

Paste the page HTML directly. To get your HTML: open the page in a browser, right-click, and select 'View Page Source'. Copy all the content and paste it into the analyzer.

Is this SEO analyzer free?

Yes. The on-page SEO audit tool is completely free with no signup, no account, and no page limit.

About this tool

Seo Analyzer

Audit pasted HTML for titles, descriptions, headings, links, schema, alt text, and keyword placement before publishing.

An SEO page can look acceptable in the browser and still underperform because the actual HTML is weak in places search engines care about. This tool is built for that gap. Instead of waiting for a full crawl or a delayed search report, you can paste the exact markup and review title length, meta description coverage, heading structure, canonical setup, robots directives, schema presence, internal links, image alt coverage, and keyword placement in one pass. It is especially useful for landing pages, blog posts, service pages, and CMS templates where teams want a fast quality-control check before publishing or during a content refresh. Because the output is weighted and easy to export, the report is practical for founders, content writers, SEOs, and developers who need the same page-level action list. Seo Analyzer helps users finish ai tasks with less friction and better consistency. Seo Analyzer helps users finish ai tasks with less friction and better consistency. Seo Analyzer helps users finish ai tasks with less friction and better consistency. Seo Analyzer helps users finish ai tasks with less friction and better consistency. Seo Analyzer helps users finish ai tasks with less friction and better consistency. Seo Analyzer helps users finish ai tasks with less friction and better consistency.

Best for

landing pages, blog posts, service pages, and pre-publish SEO QA

Input

raw HTML plus a primary target keyword and optional base URL

Output

weighted SEO score, priority fixes, heading outline, and exportable checklist

How to use this tool

Paste the full HTML document, including the head section whenever possible.
Enter the primary keyword and site base URL so keyword and internal-link checks stay relevant.
Review the score, priority issues, extracted metrics, and heading outline.
Export the checklist and fix the highest-weight items before publish or update.

Why users choose this tool

Checks metadata, content structure, links, schema, and media in one browser workflow.
Works on staged or unpublished HTML because you can paste markup directly.
Surfaces weighted priorities instead of one vague pass or fail result.
Exports a checklist that is easy to hand off to content or development teams.
Useful for quick QA before launch, refresh, or template rollout.

Common use cases

Audit a landing page before pushing a redesign or conversion update live.
Review a blog post HTML export for title, headings, and link gaps before publish.
Check service pages after traffic drops to spot weak on-page signals quickly.
QA repeated CMS or programmatic page templates before scaling publication.

When to choose this tool

Choose SEO Analyzer when you need a fast on-page HTML review with actionable fixes before or right after publishing. It is stronger than manual spot-checking because it measures markup and visible content together, but it does not replace live crawl tools, Search Console, or page-speed testing. In practical workflows, this tool works best as the quick QA layer before deeper SEO validation.

Privacy-first: Where browser-based processing is available, your files stay on your device. No file is uploaded to our servers unless strictly required for the tool to function.

Continue this workflow

Core ai tools

Most used in this category

Resume Analyzer

Open →

Prompt Optimizer