The mobile SEO mistakes costing you customers

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I asked Sarah Patel, who runs technical audits for small business websites, to break down the mistakes she sees repeatedly.

What's the number one problem you find?

Interstitials and pop-ups. Business owners add these email capture forms that cover the entire mobile screen. Google explicitly penalizes this. I get why they want email subscribers, but you're killing your search visibility. If you must use pop-ups, make them small banners or delay them until someone's been on the page for at least ten seconds.

What about website design choices?

Tiny text everywhere. I see 12-pixel fonts that are unreadable on phones. Google recommends 16 pixels minimum for body text. Also, buttons placed too close together. If I'm trying to tap "Contact" but keep hitting "Services" because they're three pixels apart, that's a usability problem Google measures.

Do small businesses need an app?

No. Unless you're running a restaurant with ordering or a service requiring frequent bookings, apps are overkill. A properly optimized mobile website does everything most small businesses need. Apps cost thousands to develop and maintain.

What technical issues come up?

Unoptimized images are everywhere. Someone uploads a 5MB photo straight from their camera. That image should be maybe 200KB maximum. There are free tools like TinyPNG that compress images without quality loss. This alone can cut load time by 60%.

Any quick wins?

Check your 404 errors in Google Search Console. Broken links hurt mobile users more because they're often on slower connections. Fix your broken pages. Also, make your phone number clickable with a tel link so mobile users can call you with one tap.

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