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How to Avoid the 5 Most Common SEO Mistakes That Cost You Money

The 5 Most Common SEO Mistakes

You’ve poured time and money into your website, but it’s just not bringing in new customers. It’s a frustrating feeling, and the hard truth is that a few common, non-technical search engine optimization (SEO) mistakes are probably costing you thousands.

Today, I’ll show you exactly what those five mistakes are and how you can fix them—this week—to finally start attracting the customers you want. By the end of this article, you’ll have a roadmap to turn your website from a money pit into a machine that brings in customers. And pay close attention to Mistake #5, because it’s one that I see a lot of people make.

I’ve worked with hundreds of small business owners who’ve felt that exact same frustration. They have a beautiful website, they’re active on social media, and they’re doing everything they think they’re supposed to, but their website is a ghost town. The problem isn’t the business; it’s that potential customers just can’t find them online.

And it almost always comes down to a few simple—yet expensive—mistakes in their SEO

Mistake #1: You’re Targeting the Wrong Keywords

The first and most common mistake is choosing the wrong keywords—or even worse, not choosing any keywords at all. Many business owners think they should try to rank for really broad terms. A baker wants to rank for “bakery.” A plumber wants to rank for “plumber.” It sounds right, but it’s like trying to win a shouting match in a hurricane.

When you target a broad, one-word keyword, you’re up against huge national chains and big corporations with multi-million-dollar marketing budgets. It’s a battle you just can’t win as a small business. On the flip side, if you haven’t intentionally picked any keywords, you’re not giving Google any clues about what you do, so the search engine doesn’t know who to show your website to.

This mistake wastes all the effort you put into your site. Traffic from overly broad terms is usually irrelevant and doesn’t lead to sales. Think about it: someone searching for “shoes” could be looking for anything—running shoes, dress shoes, hiking shoes, therapeutic shoes, etc. But if you sell handmade women’s buckskin shoes, 99% of that traffic is no good to you. You’re getting visitors who aren’t interested in your products, which leads to a high bounce rate (I’ll explain what a bounce is a bit later) and zero return on your investment. It’s like putting up a billboard for your local bakery in a city a thousand miles away. You’re paying for eyeballs, but they’re the wrong ones.

The fix is to get specific. You need to use what are called “long-tail keywords.” These are longer, more descriptive phrases your ideal customer would type into Google when they know what they want. Instead of “bakery,” target “vegan gluten-free birthday cakes in downtown Mississauga.” Instead of “plumber,” target “emergency pipe repair service in Whitby.”

These phrases have less search volume, but they have much higher intent. The person searching is closer to making a purchase. To find these, just think like your customer. What questions do they ask? What problems do they have? Start typing a phrase into Google’s search bar and see what auto-completes—those are real searches. Focus on the phrases that show a clear need for your solution. That’s how you get visitors who are ready to buy.

Mistake #2: You’re Invisible to Your Neighbours

This next one hurts to see, because it’s so easy to fix and so costly to ignore. This is for any business with a physical location or service area: you’re completely neglecting your local SEO.

You might have the best coffee shop in town, but if your online presence doesn’t scream, “I’m right here, near you,” you’re invisible to the hundreds of local customers searching for you every day. This often happens when your Google Business Profile is incomplete or your business info is inconsistent online.

This costs you a fortune in lost foot traffic and direct leads. So many online searches, especially on mobile, are “near me” searches. When someone pulls out their phone and looks for “tacos near me” or “auto repair open now,” Google shows them a map with local businesses. If you’re not optimized for local search, your competitors will be on that map, and you won’t. Every time that happens, you just lost a sale. It’s like having a beautiful storefront with the lights off and the door locked.

The solution is powerful and, best of all, completely free. You need to claim and meticulously optimize your Google Business Profile. This is the single most important thing for your local SEO. Don’t just claim it; fill out every single section. Add your hours, services, and photos of your work and team. Encourage happy customers to leave reviews, and—this is key—respond to every single one.

Next, make sure your NAP—Name, Address, and Phone Number—is identical everywhere online, from Yelp to your Facebook page. Inconsistencies hurt Google’s trust in your business. For those a bit more tech-savvy, using local schema markup on your website helps search engines understand your location and services even better. By making yourself visible to your online neighbors, you turn your website into a magnet for local customers.

Mistake #3: Your Website Is Frustrating to Use

The third mistake is subtle but incredibly damaging. You’ve focused so much on making your site look pretty that you forgot about how it feels to use. Your website might be painfully slow, impossible to use on a phone, or full of broken links. In short, it offers a bad user experience.

User experience isn’t just a nice-to-have anymore; it’s a direct signal to Google about your site’s quality. Google’s mission is to give users the best answer, and “best” includes the experience itself. If your site takes more than a few seconds to load, people are gone before they even see it. If they can’t easily find your phone number on their mobile device, they’ll give up.

A poor user experience kills your sales and your search rankings. When a visitor lands on your site and immediately hits the “back” button, that’s called a “bounce.” A high bounce rate tells Google that your site isn’t helpful, so the search engine will stop showing it. This means all the money spent on design is wasted. You’re losing customers who were interested enough to click but were driven away by a clunky interface. Every frustrated visitor is a lost sale.

The solution is to think like your customer. First, test your site’s speed with Google’s PageSpeed Insights tool. It’s free and tells you exactly what’s slowing you down. Often, it’s large images.

Before uploading any photo, use a free online tool to compress it. This alone can make a huge difference to your load times and improve what Google calls your Core Web Vitals, which are key metrics for user experience.

Next, grab your smartphone and actually try to use your website. Can you read the text without zooming? Are the buttons easy to tap? Can you find your contact info and call within seven seconds? A site that is simple, fast, and easy to use on mobile will keep visitors engaged, sending positive signals to Google and turning those visitors into customers.

Mistake #4: You’re Writing for Robots, Not Humans

This mistake often comes from an outdated idea of how SEO works. You’ve heard keywords are important, so you put them everywhere. Your homepage is a block of text that repeats “best personal injury lawyer in North York” in every other sentence. This is called keyword stuffing, and it’s guaranteed to scare off both customers and search engines.

Years ago, you could trick search engines by repeating keywords. Those days are over. Today’s search engines are smart; they understand context and quality. When you stuff keywords, you create content that’s unnatural and hard to read. The other side of this is having “thin content”—pages with almost no information at all. Both signal to Google that your website is low-quality.

This mistake destroys your credibility. When a potential customer lands on a page that reads like a robot wrote it, they don’t see an expert; they see a spammer. They’ll leave your site and probably never come back. This doesn’t just cost you a sale; it hurts your brand. Google can also penalize your site for keyword stuffing, pushing you down in the search results where no one can find you. You’re spending time creating content that actively harms your business.

It’s a simple mindset shift: write for humans first, search engines second. Your main goal should be creating content that is genuinely helpful and valuable to your audience. Instead of trying to force a keyword in, focus on thoroughly answering your customers’ biggest questions. Aim for detailed content, with more than 500 words on your most important pages.

For example, instead of a page that just repeats “custom kitchen remodeler,” write a detailed guide on “How to Plan Your Kitchen Remodel.” This kind of content naturally uses relevant keywords while showing that you’re a knowledgeable authority. It builds trust with customers and gives Google exactly what it wants: high-quality content with real value.

Mistake #5: You Expect a Light Switch, Not a Garden

The final mistake is about perspective, but it may be the most damaging. It’s the belief that SEO is instant. You make a few tweaks, write a post, and then get frustrated when you don’t see immediate results. You’re expecting SEO to be a light switch you can just flip on.

SEO isn’t a light switch; it’s a garden. You have to plant seeds, water them consistently, and be patient. This “overnight success” mindset is a problem because it leads to two bad outcomes: you either quit before your strategy has a chance to work, or you fall for shady agencies that promise #1 rankings overnight—which is impossible and can get your site blacklisted.

This mindset costs you money in wasted effort and missed long-term gains. When you give up too soon, you throw away all your initial work. It’s like planting a seed and then digging it up a week later to see if it’s growing. SEO is a long-term investment. The work you do today—writing a good blog post, getting a customer review—builds on itself over time. By expecting instant results, you miss out on the powerful compounding effects of a consistent strategy.

Adopt the mindset of a gardener. Understand that SEO is a long-term game that delivers compounding results. The work you do today might take weeks or even months to show up in rankings, but the results are more stable and valuable than any short-term ad campaign.

Instead of obsessively checking your rankings daily, commit to a consistent process. And most importantly, learn to measure what matters. You don’t need to be an analytics pro. Set up the free Google Analytics and Google Search Console tools. Once a month, just look at the high-level trends. Are more people visiting your site? Are they staying longer? Are you getting more clicks from Google? Tracking this slow-but-steady progress will keep you motivated and show you that your efforts are paying off. Patience is what separates businesses that win with SEO from those that give up right before things start to bloom.

The Good News About Common SEO Mistakes

So, there you have it: the five most common and costly SEO mistakes that could be holding your business back. We’ve covered targeting the wrong keywords, being invisible locally, having a frustrating website, writing for robots, and expecting instant results.

The good news is that every single one of these is fixable. You don’t need a huge budget or a computer science degree. You just need a clear plan and a commitment to serving your customers with a helpful, user-friendly website.

If you want even more advice on how to identify and fix these mistakes, I’m willing to get on a free 10-minute video call with you to discuss how I can help you fix these problems and start seeing real results for your SEO efforts. Contact me at Numero Uno Web Solutions today.

About Adrian Newman, BA

President, Numero Uno Web Solutions


Adrian has been in the performance marketing industry for over 25 years and is the co-founder of Numero Uno Web Solutions.

Adrian has been involved in virtually every facet of direct and digital marketing from copywriting and graphic design to database management and production.

A BA graduate of York University, Adrian has volunteered as a mentor with his alma mater's Career Mentorship Program for students with disabilities and has been a director for public real estate investment trust.

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