Table of contents: What are LLMs? Large language models (LLMs) are smart AI systems trained to deal with language. They can write texts, answer questions, create summaries and much more. They can do this because they have been trained on huge amounts of text. So they learn to recognise patterns and connections. Based on that, they create new texts that fit what you ask. A well-known example is OpenAI's ChatGPT, which works with the GPT-4o model. With ChatGPT, you can learn from
Digital PR creates newsworthy content for organic media coverage, resulting in valuable backlinks and positions you as an expert. It strengthens brand awareness and thought leadership.
Content: what is AI SEO? AI SEO: how do you stay visible in a world where people no longer google, but ask questions to an AI? AI SEO, also called GEO (Generative Engine Optimisation) or LLM SEO - is not about tools, but about findability in AI answers. Tools like ChatGPT, Gemini and Perplexity are increasingly using proprietary resources to answer user queries. The question is: are you in between? Whereas SEO used to be about keywordsondersearch and text optimisation, the playing field is now
The technical state of your website is the foundation for SEO succes. We look at the technical aspects and check whether they comply in terms of SEO.
Why is linkbuilding importantWhat is linkbuilding? Benefits of linkbuildingWhy outsource linkbuildingLinkbuilding strategies and tipsBest linkbuilding strategiesCustomised linkbuilding for optimal resultsOur approach: Outsource linkbuilding5 advantages of our linkbuilding serviceThe linkbuilding checklistFrequently asked questionsWhy is linkbuilding important ? Having relevant and quality external links to your website signals to search engines that your site provides valuable and reliable information. This allows your website to rise in search results and generate more organic traffic. Link building is a crucial onder part of search engine optimisation (SEO). On the
Our SEO audit gives you a clear overview of the areas of concern. Concrete points of improvement for a better findability of your website.
A SEO copywriter will help you with excellent content that is also suitable for search engines. It's all about quality and answering the right search intent.
We provide conversion improvements within websites and web shops through analysis, ideas, A/B testing and other forms.
A successful website requires good visibility. We onder support you with advice on search engine optimization (SEO).
We provide SEO support for a new website or redesign. A solid SEO migration will maintain and even improve organic traffic!
Search engine optimisation (SEO) in 2025 Search engine optimisation will no longer be a given in 2025. Search engines will become smarter, users more critical and the competition more fierce. A smart search engine optimisation approach will ensure that you are found. We teach you exactly what you need to do to remain visible online. No vague theories, but a clear approach in three onder parts: technique, content and authority. Practically explained, with examples. So that you can grow your website through effective search engine
A conversion is a concrete measurement moment: behaviour turns into results. Think of an order or payment in an online shop. In B2B, it often involves filling in a form, a call appointment or a demo request. Each conversion delivers demonstrable value. You record them as measurable actions on your site or in your app. That way, you know exactly which actions contribute to your online success. In this article: What exactly is conversion? Many people wonder: what is
Your texts are strong. Your site is technically sound. And yet you keep getting stuck in the search results. Chances are your authority is not yet sufficiently visible. After all, Google is looking more and more critically at who publishes the information. With our free authority checklist, you can work step by step towards a stronger reputation, better reliability and more trust. And that is essential for SEO in 2025. 👉 Download the checklist immediately What do we mean by 'authority' in SEO? Authority is all about credibility.
Our team consists of enthusiastic SEO specialists who are happy to work with you for the best results.
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 onder venture 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 talk everything through. 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 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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