Most small business owners in Brisbane don't realise that Google almost exclusively looks at the mobile version of their website to decide where they should rank. If your site looks great on a desktop but is a clunky mess on an iPhone, your SEO is going to suffer—no matter how many keywords you use.
Mobile-first indexing means Google uses the mobile version of your content for indexing and ranking. Since over 60% of Australian web traffic now happens on mobile devices, this isn't just a technical hoop to jump through; it's how you stay visible to your local customers.
What you’ll need before starting
- Access to your website’s CMS (WordPress, Shopify, Squarespace, etc.)
- A Google Search Console account (already verified)
- A smartphone (for manual testing)
- About 45–60 minutes of focused time
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Step 1: Check if you are already on Mobile-First Indexing
Google has been rolling this out for years, so chances are your site is already being crawled this way. However, it’s best to be sure.
- Log in to Google Search Console.
- Go to Settings in the left-hand menu.
- Look for the Indexing Crawler section.
Step 2: Test your site’s "Thumb-Friendliness"
This is where most people get stuck, and honestly, the interface of some older websites doesn't help. We’ve all been there: trying to click a button on a phone only to accidentally click the link next to it because they were too close together.
- Open your website on your own phone.
- Try to navigate to your contact page using just your thumb.
- Pro tip from experience: If you have to zoom in to read text or click a button, you've failed the test.
Step 3: Audit your content parity
This is a big one. Some people try to make their mobile site "faster" by hiding half the content that appears on the desktop version. This is a huge mistake for SEO.
If your desktop site has 1,000 words explaining your plumbing services in Chermside, but your mobile site only shows a 200-word summary, Google will only rank you based on those 200 words.
Checklist for Content Parity:- Is your text exactly the same on mobile and desktop?
- Are your headings (H1, H2, H3) identical?
- Are your images present on both versions? (They can be sized differently, but they should be there).
Step 4: Optimise your loading speed (The Aussie Context)
We know Australian internet can be... temperamental. While the NBN has improved things, many of your customers are browsing on 4G or 5G while sitting on a bus or in a cafe. If your site takes more than 3 seconds to load on a mobile connection, they’re gone.
- Go to PageSpeed Insights.
- Enter your URL and hit Analyze.
- Focus specifically on the Mobile tab results.
Step 5: Fix those "Intrusive Interstitials" (Pop-ups)
Yes, this step is annoyingly fiddly. Bear with it. We all hate pop-ups, but Google especially hates them on mobile because they often cover the entire screen and are impossible to close with a thumb.
- If you have a "Sign up for our newsletter" pop-up, make sure it doesn't trigger the second someone lands on the page.
- Ensure the "X" to close the pop-up is large enough to actually hit.
- Pro Tip: It's often better to use a small banner at the top or bottom of the screen instead of a full-screen takeover.
Step 6: Check your structured data
If you use Schema markup (like LocalBusiness schema to show your Brisbane address and ABN), ensure it exists on the mobile version of your site too. Some WordPress plugins only inject code into the desktop version if not configured correctly.
Use the Rich Results Test tool to see if Google can see your data when viewing as a smartphone.
Step 7: Don’t forget the "Viewport Meta Tag"
Don't worry if this sounds technical—it's usually just one line of code. This tag tells the browser how to adjust the dimensions of the site to fit the screen.
Most modern sites (built on WordPress, Wix, or Shopify) do this automatically. However, if you have an older, custom-built site, you might be missing it. It should look like this in your site's header:
If you don't see this, your site will look like a tiny, zoomed-out version of a desktop site on a phone. (You can always ask your developer to check this—it takes them 30 seconds).
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Common Mistakes to Avoid
- Small Font Sizes: Anything less than 16px is going to make your visitors squint.
- Fixed-width Elements: If a table or image is set to "800px wide," it will bleed off the edge of a phone screen, creating a horizontal scroll. This is a massive "no-no" in Google's eyes.
- Blocking JavaScript or CSS: Sometimes people block these in their
robots.txtfile to save crawl budget. Don't do it. Google needs to see these to understand your mobile layout.
Troubleshooting
"Google Search Console says my 'Text is too small to read' but it looks fine to me." This usually happens because your viewport isn't set correctly, or you have a specific CSS rule that overrides font sizes on smaller screens. Check your 'Media Queries' in your CSS file. "My buttons are too close together." Google recommends a minimum tap target size of 48x48 pixels. If your buttons are smaller than that, or closer than 8 pixels apart, you'll get a usability error. "My site is fast on desktop but slow on mobile." This is usually due to "Render Blocking Resources." Your phone has less processing power than your computer. Try to limit the number of third-party scripts (like Facebook Pixels or heatmaps) that load on your mobile site.Next Steps
Now that your site is mobile-ready, it’s time to look at your local presence. Mobile users are often looking for immediate solutions nearby. Check out our guide on Optimising your Google Business Profile to ensure you're showing up in the "Map Pack" when Brisbane locals search for your services.Feeling overwhelmed by the technical bits? We help Brisbane businesses sort this out every day. Contact the team at Local Marketing Group and we can run a full mobile audit for you.