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Pixel-accurate desktop + mobile preview with length analysis.
A SERP preview shows how your page will appear in Google search results before you publish. This one renders pixel-accurate previews for both desktop and mobile, computes title truncation by pixel-width (not just character count), flags description length issues, and highlights warnings before they hit production. Catch problems at the metadata stage, not after a week of stale rankings.
Most SEO tools bundle SERP preview as a paid feature in larger suites (Mangools, Surfer, Ahrefs). We ship it free as a standalone tool, with desktop and mobile views side-by-side, an analysis panel showing every common issue, and warnings tied to current Google guidelines.
Mangools, Surfer, Semrush bundle this in $99+/month plans. We ship it free.
Most free tools count characters. We compute pixel-width by char class, catching the real Google cutoff.
Mobile is where most search happens but most preview tools only show desktop. We show both.
Your draft metadata is competitive intelligence. We never see it.
| Feature | Molixa | Mangools | Surfer SEO | Yoast preview |
|---|---|---|---|---|
| Desktop + mobile preview | Yes | Yes | Yes | Partial |
| Pixel-width truncation | Yes | Yes | Yes | Char count |
| Length analysis | Yes | Yes | Yes | Yes |
| Free, standalone | Yes | $49+/mo | $89+/mo | WP plugin |
| No signup | Yes | Trial only | Trial only | Free |
| Browser-only | Yes | Server | Server | WP server |
Yes. Unlimited use, no signup, no daily cap. Mangools and Surfer SEO bundle SERP preview into paid plans; we ship it free as a standalone tool.
Pixel-width approximated by character class (capitals wider, narrow chars narrower). Google's actual font metrics shift, so we aim for ±2 chars accuracy on the truncation boundary. For pixel-perfect, screenshot the live result; this is the next best thing.
Google measures titles in pixels because the result row has a fixed width. 'IIIIIII' (very narrow chars) fits 60 of them; 'WWWWWW' (very wide) fits 30. Using a pixel-width limit (~580px desktop, ~540px mobile) catches the real cutoff.
50-60 characters. Under 30 wastes the SERP space. Over 65 risks truncation at smaller fonts. The sweet spot lets Google show your full title and gives you room for keyword inclusion.
120-160 characters for desktop, 100-130 for mobile. Google often rewrites descriptions based on the query, but having a good description still affects which pages they pull text from. Keywords in the first 80 chars get bolded if matched.
Not yet. AI Overviews are query-dependent and pulled from page content, not metadata, so a static preview tool can only approximate. For now we focus on the classic blue-link result, which is still 80% of organic clicks.
Same constraint -featured snippets are query-driven and pulled from page content. Use Google's Search Console to see which queries you're winning featured snippets for, then optimize the page content not the meta tags.
Yes, at the end. Format: 'Primary Keyword - Secondary | Brand'. Example: 'JWT Decoder Free Online | Molixa'. Brand at the end leaves keyword room at the front where Google bolds matched terms.
Three levers. (1) Title with primary keyword in first 5 words. (2) Description that includes the user's likely query verbatim. (3) Schema markup (rich snippet) -see our Schema Generator. CTR can double with rich snippets vs plain blue links.
No. The preview is rendered locally with HTML/CSS approximating Google's layout. Your title, description, URL stay in your browser.
Desktop + mobile, pixel-accurate truncation, length warnings. Free unlimited.
Open the SERP previewThe SERP Preview Tool page is built, reviewed, and maintained by the Molixa team. We use the tool we ship and update the docs when the behavior changes.