Check a page's
SEO markup.

Enter a public URL to check its source, or use the Chrome extension to inspect the rendered page locally.

Check a public URL Get the Chrome extension Version 0.1.0 · 30 KB ZIP

Free to use
No account
No analytics
No saved reports

1 tab checked 1 local check 0 page-data requests

SEOMarkup showing schema items, issues, detected trackers and no page data sent

Check a public URL.

We fetch the page once and check its source HTML for schema, SEO, social and tracking markup.

1 page fetched 0 reports saved 0 analytics events

Your URL is sent to BusinessPress for this one-time check. We do not save the page or report. Use the extension when page data must stay on your device.

Enter a URL to start.

Check one tab at a time.

The extension runs only after you click it. It cannot scan other tabs, read sites in the background or save your check history.

activeTab: Gives temporary access to the current tab.
scripting: Runs SEOMarkup in that tab.
host permissions: None.

Review the markup that matters.

See errors, warnings and guidance without a made-up score.

Schema.org

Find JSON-LD, Microdata and RDFa. Review types, nested data, syntax and duplicate @id values.

Structure

Search metadata

Check titles, descriptions, canonicals, robots, language, headings, image alt text, viewport and hreflang.

Social cards

Preview titles, descriptions and images for Google, Facebook, X/Twitter and LinkedIn.

Sharing

Tracking tags

Find common analytics, advertising, consent, replay and monitoring tags. Every match includes its source.

Detected code

Open every finding.

Expanded JSON-LD block with context, identifiers, validation state, and copy control — Inspect and copy each JSON-LD block. SEOMarkup checks structure, not rich-result eligibility.

Tracking panel listing Google Tag Manager, Plausible, and LinkedIn evidence — See the detected tracker, matching code and confidence level.

Add SEOMarkup to Chrome.

The extension is not yet in the Chrome Web Store. Install this reviewed ZIP in Developer mode.

1
Download the ZIP
Download and unzip the extension.
2
Open Chrome extensions
Go to chrome://extensions and turn on Developer mode.
3
Load the folder
Click “Load unpacked” and select the extracted folder.
4
Check a page
Pin SEOMarkup, open a page and click the extension.

Download extension v0.1.0 Read the privacy policy

Know the limits.

Use Google Rich Results Test or Search Console to confirm rich-result eligibility.
Some server-side, blocked, proxied or unfamiliar trackers may not appear.
Linked preview images load only when you ask. Canonical URLs and external vocabularies are not fetched.
Findings describe markup, not legal compliance, ranking impact or user intent.

Check a page'sSEO markup.