How to do mobile SEO

Mobile SEO isn't a separate discipline anymore—it's core SEO. Google's mobile-first indexing means the mobile version of your client's site is what Google primarily crawls and ranks. This fundamentally changes how you approach optimization.

Start with the technical foundation. Ensure your client's site uses responsive design that adapts to all screen sizes, or implement dynamic serving if that's their setup. Test the mobile experience using Google's Mobile-Friendly Test and PageSpeed Insights to identify real usability issues. Core Web Vitals matter significantly for rankings, so address Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), and First Input Delay (FID). On mobile, this often means optimizing images aggressively, deferring JavaScript, and minimizing render-blocking resources. Large, uncompressed images are the biggest culprit for slow mobile sites. Use modern formats like WebP, lazy load below-the-fold images, and serve appropriately sized images for mobile viewports. Compress everything ruthlessly because mobile users often have slower connections than desktop visitors.

For on-page factors, mobile-specific optimization differs from desktop. Make sure your client's heading structure and content hierarchy work on small screens—users shouldn't have to pinch or scroll horizontally to read text. Buttons and interactive elements need adequate spacing (at least 48x48 pixels) to prevent accidental clicks. Internal linking structure should be clear since mobile users have less context from a single screen view. Ensure menus are accessible without covering content, and avoid pop-ups that block critical content immediately on page load, which Google explicitly penalizes.

Don't forget local SEO elements that matter more on mobile. Mobile searchers frequently have local intent, so ensure your client's business information is consistent across Google Business Profile, their website, and schema markup. Test how their site appears in mobile search results—make sure titles and meta descriptions display properly in the smaller space without being cut off.

Finally, monitor mobile traffic patterns separately in Google Analytics. Mobile users have different behavior than desktop users, converting at different rates and spending different amounts of time on pages. This data informs your content and UX decisions. Mobile SEO success comes from understanding that mobile users are often on the go, searching for immediate solutions, so optimize for speed, clarity, and quick answers.