ohayoFREE TOOL / WEBSITE METADATA
Meta Tag
Checker.
Paste your HTML. Find missing, repeated or conflicting metadata, with the tags behind each finding.
Your HTML stays in this browser. No account required. Maximum 512 KiB and 200 title, meta or link elements.
Metadata and evidence
Tags are serialized by the browser and may differ in spacing or capitalization from your source. Evidence longer than 800 characters is shortened.
NEXT / CHECK THE WHOLE BUILD
One page is a start.
Find sitemap, canonical and noindex conflicts across your static build with an offline checker, tests and a worked example.
SEO Release Check · $4.90What this check does
It extracts title, description, canonical, robots/googlebot, selected Open Graph and Twitter tags. It flags missing core fields, empty or duplicate declarations, URL issues and explicit directive conflicts.
What still needs checking
Live status codes, redirects, HTTP headers, robots.txt, your sitemap, JavaScript-generated metadata and actual search results. This is not a full HTML validator, a search preview or a ranking score. Tags inside nested templates are ignored.
Questions before you paste?
Does my HTML leave the browser?
This tool does not upload, save or log your HTML or report. Optional analytics, if you allow it, records only the tool ID and use/copy/product-link action. Input and output are never sent as event parameters.
Does a title or description have a fixed SEO length limit?
No fixed character count guarantees a Google display. Google can choose another title or snippet and truncate it for the device. This checker does not turn character counts into a pass/fail score. See Google’s title guidance and snippet guidance.
How do I use the examples?
Load the complete example and check it to see extracted tags. Then load the conflicting example: it has two titles, an empty description, a relative canonical and opposing robots directives. Review the evidence, edit the HTML and check again.
Can this check my published URL?
No. Paste a page’s source HTML or head markup. No server proxy or arbitrary URL fetch is provided. You will still need to inspect the published page separately.