Why Mobile Optimization Makes or Breaks LinkedIn Ads

Most people see your ads on phones. Here's how to make them work.

Over 60% of LinkedIn traffic comes from mobile devices. If your ads don't work on phones, you're wasting most of your budget.

Mobile ad best practices:

Use square or vertical images. Horizontal images get cut off on mobile feeds.

Keep text minimal. Long paragraphs are hard to read on small screens.

Make CTAs obvious. Buttons should be large and easy to tap.

Test on actual devices. Don't just resize your browser. Use real phones.

Use short headlines. Longer headlines get truncated on mobile.

Prioritize speed. Mobile users won't wait for slow-loading pages.

Mobile landing page essentials:

Load in under 3 seconds - anything slower kills conversions
Forms should be short - typing on phones is annoying
Use large form fields - easy to tap, easy to fill
Minimize scrolling - key info above the fold
Use autofill - let phones populate fields automatically
One-column layouts - side-by-side content doesn't work

Mobile-friendly offers:

"Text this number" - easier than filling forms
Calendar booking - one-click scheduling
App downloads - natural mobile action
SMS notifications - native to mobile
One-click actions - remove friction everywhere

Common mobile mistakes:

Tiny text no one can read
Navigation that requires precise tapping
Pop-ups that can't be closed
Forms requiring excessive typing
Videos that autoplay with sound
Horizontal scrolling

Test these mobile scenarios:

Viewing ad in crowded place (harder to see small text)
Using ad with one hand (reachability matters)
Poor connection (does everything still load?)
Small phones and large phones (different experiences)

Tools to test mobile:

Google's Mobile-Friendly Test
PageSpeed Insights for load times
Real device testing (iOS and Android)
LinkedIn's mobile preview in Campaign Manager

Think mobile-first, not mobile-also. Design for phones, then adapt to desktop if needed.

Stirling helps you create ad copy optimized for mobile viewing. Short, punchy, scannable - perfect for people scrolling on phones.

If your ads don't work on mobile, they don't work. Period.