Free tool
Meta Tags Analyzer
Fetches the page like a browser, extracts every tag that search engines and social networks read, grades each one, and shows how your snippet will actually look.
Everything Google reads from your head section
The analyzer extracts and grades the tags that actually influence how a page is indexed and displayed: title and meta description with length checks, meta robots plus the X-Robots-Tag header (the pair that decides indexability), the canonical URL with a self-reference check, H1 structure, the html lang attribute and hreflang count, viewport (Google indexes mobile-first; no viewport means a mobile-hostile page), and the favicon declaration that shows next to your snippet.
The previews are the point
Numbers are abstract; the preview is not. The report renders your Google snippet, URL, title and description the way the SERP composes it, and your Open Graph card the way Slack, Telegram or LinkedIn will unfurl it. Ten seconds of looking at the previews catches what checklists miss: a title that is technically the right length but reads like a database dump, or a share image that crops the logo in half.
The checks that catch real money leaks
In audits, three findings from this exact tag set pay for themselves repeatedly: a stray noindex left after a redesign (invisible in the browser, fatal in search), a canonical pointing at a staging domain, and duplicate H1s inherited from a page builder. The analyzer surfaces each in the pass/fail list; anything red is worth fixing today, anything amber this month.
Frequently asked questions
What are the ideal title and description lengths?
Google truncates by pixel width, not characters, so treat numbers as guardrails: titles up to roughly 60-65 characters usually survive intact, descriptions up to about 160. The analyzer flags lengths outside those ranges. More important than length: the title must contain what the page is genuinely about, because Google rewrites titles it considers misleading or generic.
Google shows a different description than my meta tag. Why?
Google rewrites snippets for a majority of queries when it believes page text answers the query better. A well-written meta description still matters: it wins when the query matches it, and it is what social networks and messengers fall back to. Treat rewriting as normal, not as a bug to fix.
What does a canonical pointing elsewhere mean?
It tells search engines "index that other URL instead of me". Intentional for syndicated or duplicate content; catastrophic when a template accidentally canonicalises every page to the homepage, which is a real bug we find in audits. If the analyzer shows an unexpected canonical target, treat it as urgent.
Do Open Graph tags affect Google rankings?
No. OG and Twitter tags control how links unfurl in social feeds and messengers: image, title, description of the shared card. Their effect is on click-through from those channels, and a missing og:image quietly costs every share some attention. The analyzer previews the card so you see what people see.
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