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Shopify SEO Health Score

Paste a page's HTML source for an instant on-page SEO audit: title tags, meta description, headings, alt text, structured data, and technical basics.

Parsed entirely in your browser with the native DOMParser API — nothing you paste is uploaded anywhere.
Right-click your page → "View Page Source" (or Ctrl+U / Cmd+Option+U) → select all → copy, then paste here.

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What Each Category Checks, and Why It Matters

Title tag & meta description are what searchers actually see in results, so length and presence directly affect click-through rate. Heading structure helps both search engines and screen readers understand your content's outline; skipping levels or missing an H1 muddies that signal. Image alt text affects accessibility and image search visibility, and is one of the most commonly skipped basics on product pages with many photos. Structured data, specifically Product schema with price, availability, and reviews, is what unlocks rich results like star ratings directly in Google's search listings. Technical basics, canonical tags, a viewport meta tag, and consistent HTTPS, are foundational signals that prevent duplicate-content issues and confirm your page is mobile-friendly.

How to Copy Your Page's HTML Source

  1. Open the page you want to check in your browser.
  2. Right-click anywhere on the page and choose "View Page Source" (or press Ctrl+U on Windows, Cmd+Option+U on Mac).
  3. On the source page that opens, select all the text (Ctrl+A / Cmd+A) and copy it (Ctrl+C / Cmd+C).
  4. Paste it into the box above and click Analyze.

Alternatively: right-click the page and choose "Inspect", find the <html> tag at the top of the panel that opens, right-click it, and choose Copy > Copy outerHTML.

What This Tool Doesn't Check

This is an on-page technical SEO checker: it looks only at signals present in a single page's own HTML. It doesn't measure backlinks, domain authority, keyword rankings, page speed, or how you rank against competitors, those depend on factors outside any one page and require different, typically paid, tools to track properly. Treat a high score here as "the on-page fundamentals are solid," not "this page will rank."

Frequently Asked Questions

What is a good SEO score?

A score of 75% or higher generally means the core on-page signals (title, meta description, headings, alt text, structured data, and technical basics) are in good shape. 50-74% means there's room for improvement, and below 50% means several important signals are missing entirely.

Does this check my whole site or one page?

One page at a time. Paste the HTML of a single product, collection, or landing page to audit it. Run it again for each important page on your store, since title tags, meta descriptions, and structured data are all page-specific.

How do I copy my page's HTML source?

Open the page, right-click anywhere and choose "View Page Source" (or press Ctrl+U / Cmd+Option+U), then select all and copy. Alternatively, right-click and choose "Inspect", find the <html> tag at the top of the panel, right-click it, and choose "Copy > Copy outerHTML".

Does this check backlinks or keyword rankings?

No. This tool checks on-page technical SEO signals only, things fully under your control in the page's own HTML. Backlinks, domain authority, and keyword rankings depend on factors outside a single page and require different tools to measure.