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The 8 most common mistakes in online marketing

17.2.2025
E-Commerce

Online marketing can be a powerful tool for increasing sales and awareness of your brand. Unfortunately, it comes with a number of mistakes that can literally throw your budget out the window. Here's an overview of the eight most common mistakes and advice on how to avoid them.

1. Insufficiently defined target group

Without a clear idea of who you want to reach, your campaigns will feel like shouting into the void. Often, online retailers believe that their product is suitable for everyone, and so marketing lacks a specific direction.

How to avoid this: 

  • Create personas based on the demographics, interests and behaviors of your target audience, which will make it easier to target your campaigns. 
  • Use analytics tools like Google Analytics or Facebook Insights to help you better understand who your customers are and how they behave.

2. Lack of clear goals

If you don't have measurable goals set, you won't be able to evaluate the success of your campaign. Marketing without goals is like a journey without a map - you may get somewhere, but you certainly won't get where you want to go.

How to avoid it: 

  • Use the SMART method - specific, measurable, acceptable, realistic, and time-bound goals will help provide a clear framework.
  • Track KPIs such as ROI, conversion rate, or cost per customer acquisition.
  • Regularly evaluate the achievement of these goals and adjust your strategy if necessary.

3. Ignoring SEO

Underestimating search engine optimization can mean that your website is not visible to potential customers. In the online world, if Google can't see you, it's like you don't exist.

How to avoid this:

  • Focus on keywords that are related to your industry and products.
  • Optimize your headings, meta descriptions and on-page content. For example, a product page should include keywords that customers are typing into the search engine.
  • Ensure site speed and mobile accessibility. Slow-loading pages can discourage users and negatively affect your SEO ranking.

4. Inappropriate budget allocation 

The marketing budget should be used efficiently. Investing too much in one channel can mean you neglect other important areas.

How to change this:

  • Analyze the performance of each channel on an ongoing basis. For example, find out which channel brings the most conversions and allocate resources accordingly.
  • Test different channels with A/B tests. This will help you see which type of ad or content has the best response. 
  • Have a planned marketing budget that you regularly evaluate and adjust if necessary.

5. Underestimating remarketing 

Forgetting about customers who have already shown interest means losing opportunities to close the sale. Remarketing is one of the most effective ways to increase conversions because you're reaching people who already know your brand.

How to avoid it:

  • Implement remarketing campaigns in Google Ads or Facebook Ads. These campaigns allow you to target users who have visited your site but have not taken any action.
  • Target users who have abandoned their shopping cart and remind them that their products are still waiting for them.
  • Tailor your messaging according to the stage of the shopping process the customer is currently in.

6. Using outdated data

Outdated data can skew your decision-making and lead to ineffective campaigns. Marketing based on inaccurate information loses its potential

How to prevent it:

  • Update your data and segmentation regularly. For example, you can move customers who are no longer buying into a different category.
  • Use CRM systems to manage your data and track the history of customer interactions with your brand. 
  • Monitor market trends and adapt your campaigns to current customer behaviour.

7. Ignoring mobile users

Mobile users make up a significant portion of online store visitors, so it's imperative to ensure they have a comfortable experience. If your website is not optimized for mobile, you are losing a huge chunk of potential customers.

How to avoid this:

  • Optimize your website for mobile devices. This means not only a responsive design, but also easy navigation and fast loading pages.
  • Test for speed and user-friendliness on different types of devices. 
  • Consider mobile payment options to make it easier for customers to complete their order.

8. Lack of consistency in content

Random or incoherent posts can reduce your brand's credibility. Customers expect you to communicate regularly and consistently. 

How to achieve this:

  • Create a content plan that includes regular articles, social posts, and email campaigns.
  • Emphasize the quality of your content. Informative and interesting content will attract more customers than frequent but low-quality posts.
  • Make sure all communication channels reflect the same values and messages.

Conclusion

Avoiding these mistakes means maximizing the success of your marketing efforts. The key is planning, regular analysis, and a willingness to adapt your strategy as the situation warrants. Remember that successful marketing takes time, testing and continuous improvement.

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