What this checks
- Title tag quality
- Meta description quality
- Canonical URL presence
- Open Graph and Twitter preview basics
SEO · meta tag checker
Meta tag checker tool
A meta tag checker reads the crawler-visible title, description, canonical and social-preview tags returned by a webpage. Run the URL below to spot missing, conflicting or weak signals before search engines and social platforms interpret the page. The result explains what was found and where the rendered page still needs review.
Ask Richard about your report
Paid reports include direct founder help. If a finding is unclear, send it with the page, evidence and suggested fix attached, and Richard will explain what to do next.
Metadata first pass
Checks title, description, canonical, Open Graph and Twitter metadata.Public pages only. No account, no card, no worker job.
Why it matters
- Search snippets and social cards shape the first click.
- Generic generated metadata makes pages harder to rank and share.
- Canonical and preview tags are quick fixes with outsized launch impact.
How to use it
Use the checker above to inspect title, description, canonical and preview tags. The full PageLens AI scan adds cross-page SEO analysis and AI Search readiness.
Run complete launch scanExample result
What a free seo check can surface.
Review before launch
Title tag quality
The free tool gives you a visible first-pass signal. A paid PageLens AI report adds page evidence, severity, screenshots, ownership context and a scoped repair prompt.
What the full scan adds
- Desktop and mobile screenshots for every priority finding.
- Severity, owner impact and fix acceptance criteria.
- Markdown repair prompts for Cursor, Codex, Lovable, Bolt and other builders.
- Re-scan proof when the page improves.
Copy-paste fix prompt
Review this page for meta tag checker. Start with this finding: "Title tag quality". Make the smallest production-safe fix, preserve the existing design, then list verification steps for desktop, mobile and crawler-visible HTML.
Upgrade path
Free Growth Baseline
$0
First visible signal
Quick Report
$1
Every finding on one page
Full Report
$2.99
Exports and one verification re-scan
What the result means
Use the checker above to inspect title, description, canonical and preview tags. The full PageLens AI scan adds cross-page SEO analysis and AI Search readiness.
Limits of this check
The check reports tags available at scan time. Search engines may generate different title links or snippets, while JavaScript, redirects, authentication or bot controls can change what a crawler receives.
Target keyword: meta tag checker
Why meta tags still decide the first click
A meta tag checker gives you a quick view of the HTML signals that search engines, social networks and messaging apps read before a human ever lands on your page. Title tags, descriptions, canonicals, Open Graph tags and Twitter card fields all shape how your product appears in search results, Slack unfurls, LinkedIn shares and AI-generated summaries.
Good metadata is specific to the page. The title should name the thing on the page and the audience it serves. The description should make a clear promise in natural language rather than repeating a template. Canonical URLs should point to the preferred version of the page so duplicate routes, campaign parameters or staging copies do not split authority.
This matters even for early-stage sites because bad metadata compounds quickly. Every share, backlink and crawler visit sees the same weak snippet. Run this check when you publish a new landing page, clone a template, migrate a route or prepare a launch announcement.
Frequently asked.
- What does a meta tag checker inspect?
- It checks the visible HTML metadata search engines and social platforms use: title, description, canonical URL, Open Graph fields, Twitter card fields and related preview basics.
- Do meta tags still affect SEO?
- Yes. Meta descriptions are not a direct ranking factor, but they influence click-through rate and snippet quality. Titles, canonicals and structured preview tags also help crawlers understand the page.
- How often should I check meta tags?
- Check them whenever you publish, duplicate or migrate a page. Template changes can accidentally create duplicate descriptions or point social previews at the wrong asset.
- What is a good meta description length?
- A useful description is usually around 120 to 160 characters, but clarity matters more than a fixed count. It should make the page's value obvious without keyword stuffing.