Ai Ranko
Ai RankoToolsMobile Checker

Free Mobile Friendliness Checker — Test Any Website Instantly

See exactly how any website looks on iPhone, Android, tablet, or desktop — in real device screen sizes. No installs, no sign-up. Just enter a URL and get an instant mobile preview, free.

Free Tool

No website loaded

Enter a URL above and click Check to preview it in mobile view.

Test any public website instantly
Switch between devices & orientations
Zoom in/out with scale controls

How It Works

Three simple steps to test any website's mobile friendliness.

01

Enter Your URL

Paste any public website URL into the input field and hit Check. Works with any live website — your own or a competitor's.

02

Choose Your Device & Settings

Select from Phone, Tablet, or Desktop — then pick a specific device like iPhone 14, Galaxy S23, or Pixel 7. Switch between Portrait and Landscape mode, and adjust zoom level to 50%, 75%, or 100%.

03

Preview Instantly

Your website loads in real device dimensions — right inside your browser. No app download, no wait time. See the exact mobile experience your visitors get.

Key Features

Everything you need to test and analyze mobile responsiveness in one place.

Multiple Device Types

Test your website across Phone, Tablet, and Desktop — all in one tool. Switch between device categories instantly without reloading the page.

Real Device Screen Sizes

Preview in exact dimensions of iPhone SE, iPhone 14, iPhone 14 Pro Max, Galaxy S23, and Pixel 7. No guesswork — see pixel-perfect how your site actually appears.

Portrait & Landscape Mode

Toggle between Portrait and Landscape orientation with one click. Catch layout breaks and overflow issues that only appear in horizontal view.

Zoom Controls

Scale your preview to 50%, 75%, or 100% for a closer or wider look. Perfect for inspecting small UI elements, buttons, and text readability on mobile.

Instant Browser-Based Preview

No installation, no extension, no account required — works directly in your browser. Enter a URL and your preview loads in seconds, completely free.

100% Free & Private

Your URL is fetched for preview only — no data is stored or tracked. Use it as many times as you want, for any website, without any cost.

Why Mobile-Friendliness Matters

Mobile is no longer optional — it's how the majority of your audience finds you. Google uses mobile-first indexing, meaning it crawls and ranks your site based on its mobile version first. A poor mobile experience directly hurts your SEO rankings, bounce rate, and conversions.

  • Over 60% of global web traffic comes from mobile devices
  • Google's mobile-first indexing ranks your mobile version — not desktop
  • Slow or broken mobile layouts increase bounce rate and kill conversions
  • A responsive website builds trust and keeps visitors engaged longer
  • Mobile UX is a confirmed Google ranking signal since 2015 — and growing stronger
  • Testing regularly catches layout breaks before your users do

How We Compare

See why Ai Ranko's Mobile Friendliness Checker outperforms the rest.

FeatureAI RankoGoogle Mobile TestResponsinatorBrowserStack
Free to useLimited
No signup required
Real device screen sizesPartial
Multiple device typesPartial
Portrait & Landscape mode
Zoom controlsPaid only
Instant browser-based preview
Specific device modelsPaid only
No data stored or tracked
Works on all devicesPartial
No watermark or brandingPaid only

The Fastest Way to Test Mobile Friendliness Online — Free

Whether you're an SEO professional, web developer, or business owner, knowing how your site performs on mobile is non-negotiable. Our free mobile friendliness checker lets you instantly preview any website in real device dimensions — no installation, no signup, no cost.

From small business websites to large eCommerce stores, mobile responsiveness directly impacts how Google ranks your pages in search results. Use Ai Ranko's mobile responsive test to identify layout issues, broken elements, and poor UX before they cost you rankings and customers.

What is a mobile friendliness checker? It's a tool that loads any website inside simulated mobile, tablet, or desktop screen sizes so you can visually inspect its responsiveness. Unlike automated reports, Ai Ranko gives you a live visual preview— so you see exactly what your visitors see, on the exact device they're using.

Google's mobile-first indexing means your mobile experience isyour SEO strategy. Test your website now with Ai Ranko's free mobile preview tool — catch issues early, fix them fast, and rank with confidence.

Frequently Asked Questions

Everything you need to know about testing mobile friendliness with Ai Ranko.

What is a mobile friendliness checker?
A mobile friendliness checker is a tool that previews any website in real mobile, tablet, or desktop screen sizes. It helps you visually inspect how your site looks and behaves on different devices — before your users experience any issues.
Is this mobile friendliness checker completely free?
Yes — 100% free with no hidden charges, no subscription, and no sign-up required. Just enter any URL and get an instant mobile preview, unlimited times.
Which devices can I test my website on?
You can test on iPhone SE, iPhone 14, iPhone 14 Pro Max, Samsung Galaxy S23, and Google Pixel 7. Tablet and Desktop previews are also available — plus Portrait and Landscape orientation for each.
Does Google use mobile-friendliness as a ranking factor?
Yes — Google has used mobile-first indexing since 2019, meaning it ranks your site based on its mobile version first. A poor mobile experience directly impacts your search rankings, traffic, and conversions.
Do I need to install anything to use this tool?
No installation, no browser extension, and no account is needed. The tool runs entirely in your browser — just open the page, enter a URL, and preview instantly.
Can I test competitor websites with this tool?
Yes — you can test any publicly accessible website, including competitor sites. It's a great way to benchmark your mobile UX against industry competitors.
Is my data safe when using this tool?
Your URL is only used to load the preview — no data is stored, tracked, or shared. Ai Ranko is fully privacy-first. Your browsing activity stays completely private.
What is the difference between Portrait and Landscape mode?
Portrait mode shows the vertical screen view — how most users hold their phone. Landscape mode shows the horizontal view — useful for catching layout breaks that only appear when the screen rotates.
What does the zoom control do?
Zoom controls let you scale the preview to 50%, 75%, or 100% of the actual device size. Use it to inspect small text, buttons, and UI elements more closely or get a wider overall view.
How is Ai Ranko's mobile checker different from Google's Mobile-Friendly Test?
Google's tool only gives a pass/fail report — it doesn't show a live visual preview. Ai Ranko gives you a real-time visual preview across multiple specific devices, orientations, and zoom levels — all in one place.