📱 15+ Mobile SEO Checks — Free

Mobile SEO Checker

Test any website's mobile-friendliness and mobile SEO health. Viewport, responsive design, font sizes, touch icons, and more — instantly.

Fetching page and analyzing mobile SEO signals…

0 Mobile Score

Mobile SEO Checks

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Why Mobile SEO Matters in 2026

Google switched to mobile-first indexing in 2023 — meaning it crawls and ranks the mobile version of your site. If your mobile SEO has issues, your rankings suffer across all devices, not just mobile. In India, over 75% of web traffic comes from mobile devices, making mobile SEO even more critical for SaaS companies targeting local users.

📱 Mobile-First Indexing

Google indexes mobile content first. Missing viewport or responsive issues directly hurt your search rankings.

⚡ Core Web Vitals

LCP, CLS, and FID are measured on mobile. Poor mobile layout causes higher CLS scores, hurting rankings.

🎯 User Experience

Google's Page Experience signals reward mobile-friendly sites with better visibility in mobile search results.

🔍 Rich Results

Mobile-unfriendly sites may lose eligibility for featured snippets and rich results on mobile SERPs.

What This Mobile SEO Checker Tests

Frequently Asked Questions

A mobile SEO checker analyzes your website for mobile-friendliness signals that Google uses to rank pages. Since Google uses mobile-first indexing — meaning it crawls and ranks based on the mobile version of your site — mobile SEO issues can tank your rankings even if your desktop site looks perfect. Key checks include: viewport meta tag, responsive CSS, font size, tap target sizing, and page width overflow. This tool checks all of these for free.
The viewport meta tag (meta name="viewport" content="width=device-width, initial-scale=1.0") tells browsers how to scale your page on mobile devices. Without it, mobile browsers render your page at desktop width and scale it down — making text tiny and unreadable. Google's mobile-first indexing penalizes pages without a proper viewport tag. It's the single most important mobile SEO tag and takes 30 seconds to add.
Yes. Google fully switched to mobile-first indexing in 2023 and continues to use it. This means Google primarily uses the mobile version of your content for indexing and ranking. If your mobile site has less content, slower load times, or broken technical elements compared to your desktop site, your overall rankings will suffer — even for desktop searches.
user-scalable=no is a viewport parameter that prevents users from pinching to zoom on mobile. Google's guidelines explicitly flag this as an accessibility and usability issue. It prevents users with visual impairments from zooming in, and Google can penalize pages that disable user scaling. Remove user-scalable=no from your viewport meta tag to fix this issue.
The most common fixes are: (1) Add viewport meta tag: add meta name="viewport" content="width=device-width, initial-scale=1.0" to your page head; (2) Use responsive CSS: add @media queries or a CSS framework like Tailwind/Bootstrap; (3) Set base font size to 16px+ so text is readable without zooming; (4) Add apple-touch-icon for iOS home screen sharing; (5) Avoid setting max-width on body elements that could cause horizontal scroll; (6) Ensure tap targets (buttons, links) are at least 44x44px apart for touch usability.
A score of 80+ indicates solid mobile SEO health. 60–79 means there are issues affecting user experience and potentially rankings. Below 60 suggests significant mobile SEO problems that need urgent attention. The most critical factor is the viewport meta tag — without it, your score will be low regardless of other optimizations.