Wijzonol is a professional paint brand owned by Koninklijke Van Wijhe Verf, a family-run business based in Zwolle, offering a wide range of interior and exterior paints for both professionals and DIY enthusiasts. The marketing team wanted to know where the greatest SEO opportunities lay. Based on our SEO audit, the Wijzonol team implemented the priorities, resulting in strong organic growth.
The marketing team at Wijzonol asked us a specific question: where can the greatest organic gains be made? Investments had already been made in content and visibility, but there was a need for a clear SEO strategy.
We started with a SEO audit, structured around three sections:
We carried out a keyword analysis based on input from Wijzonol, supplemented with our own data. In addition, we analysed the technical foundation and assessed the key pages for on-page SEO factors such as structure, headings, keywords and internal links. Based on this, we drew up a prioritised content plan with specific areas for improvement. We presented the audit to the Wijzonol team on site.
The analysis identified three opportunities:
Following the presentation, the Wijzonol team set to work on the areas for improvement themselves, in order of priority. In a follow-up session, we discussed the progress made and answered any questions that had arisen along the way. The results were not long in coming. In the second half of 2025, the colouring pages saw a significant increase in clicks compared with the first half of the year. Total organic traffic showed a steady rise throughout 2025.
Overall, organic traffic is set to show steady growth in 2025:
This shows that the audit was certainly a success and, above all, that the Wijzonol team has carried out the implementation thoroughly.
An audit works best when the in-house team is responsible for putting the findings into practice. That’s exactly what Wijzonol did. Using its own text and imagery, the brand continues to build a strong position on Google, even as AI-generated content appears more and more frequently in search results.
In 2026, Wijzonol and Onder will continue to work together on content and site structure.
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Whether it's about content or technical adjustments, it doesn't matter. Martijn briefs this in a very clear way so that it can be implemented locally or by our head office in France. [...] Since the start of our collaboration, we have achieved great results. Keep it up!
When your online onderneming grows, expectations often grow too, in every area. To a large extent, we were in control of SEO and its interpretation ourselves. We found out that our own "general view" was no longer sufficient, so we engaged Bureau Onder. Surprising and clear. We have built up a fine collaboration, partly because Martijn also regularly visits our office with Eline or Mariska (depending on the case), which is very valuable to us!
Martijn and Mariska make the SEO story understandable for the layman and are happy to think along with us. It is nice that there is a personal contact moment every month with an extensive report and the opportunity to discuss everything. After just a few months, Onder has already managed to achieve number 1 positions on Google with some of our webshop pages. We are very satisfied with Onder.
For several years, Onder has been a valued partner of Stella. Martijn is my sparring partner for complex SEO issues and the extra pair of critical eyes that keeps us on our toes. Together, we have achieved nice growth in online visibility, visitor numbers and leads. Onder stands out for its short lines of communication and professionalism. They speak our language: don't nag, get down to business. That is what we love!
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