Multilingual SEO is all about optimizing your website for multiple languages and markets. The goal is to provide users with the best possible experience in their own language and cultural context, while ensuring that search engines understand which version of the content is relevant to which user. It therefore goes beyond simply translating text: it’s a combination of strategy, technology, and cultural differences.
Conducting SEO in multiple countries simultaneously presents various challenges, which it’s important to carefully consider in advance. Without a sound approach, your investment in international marketing can quickly go to waste without having any impact. A multilingual strategy requires clear strategic decisions: for example, will you translate your content word-for-word, or will you opt for full localization, adapting the content to the culture, search intent, and expectations of your target audience? Companies that do this well often see an immediate impact on their organic growth in new markets.
Cultural nuances are just as important as the language itself. While the Dutch often prefer to be addressed informally, in Germany a formal tone can actually inspire trust. In France, style and tone of voice play a role, while in Scandinavian countries the emphasis is often on transparency and simplicity. Product names, humor, and even payment methods also vary by country. This means that a direct translation often fails to convey the right message.
We saw a good example of this in our collaboration with The Alpha Men. In the Netherlands, a more informal tone of voice works well, but for the German market, we opted for a formal approach instead. This adjustment in tone of voice ensured that the content better aligned with the expectations of German consumers and built trust. Such real-world examples demonstrate that cultural differences have a significant impact not only linguistically but also strategically.
Localization is therefore key: tailor the content to the target audience and their habits so that it feels natural and relevant. A poorly chosen form of address or term can be enough to lose conversions. Companies that invest in this find that users identify with the website more quickly and build trust.
In multilingual SEO, it’s important to use the right keywords and terms. A good example: while Dutch people search for “sneakers,” the French often use both “baskets” and “sneakers.” In Germany, both “sneakers” and “turnschuhe” are used to search for this type of shoe, though “sneakers” is actually more popular these days.
These kinds of differences are reflected in search volumes: in France, people search for “baskets” thousands of times a month, while Dutch people hardly ever use that word. If you choose the wrong term, you’ll miss out on a lot of potential visitors. That’s why native input is indispensable. Local specialists or native copywriters can identify which terms are most common and what the target audience actually uses in their search queries.
It’s not just about product names, but also descriptions, categories, and even metadata. A title that converts well in Dutch may come across as forced or incomprehensible in another language. By investing time and attention in this, you increase the likelihood that search engines and users will better understand which content belongs to which language.
Before deciding on subdomains, subdirectories, or ccTLDs, it’s important to understand the context: your domain structure determines not only how search engines index your site, but also how users perceive your brand. To help clarify this, here is an overview of the various options and their pros and cons:
The right choice depends on the situation. For large markets with high potential, a ccTLD can be a good option, while subdirectories often work best for smaller markets or if you want to leverage the power of a single domain. Splitting an existing website across multiple domains can be detrimental: the authority you’ve built up becomes fragmented, and rankings may drop. It’s therefore important to carefully consider your choice of domain structure in advance.
Translation can be done faster and better with tools like DeepL, which often produce high-quality results. AI tools like ChatGPT are useful for creating an initial draft or translation. However, human review remains essential. Only a native speaker can accurately convey nuance and cultural context and ensure the tone of voice is appropriate. A combination of AI and human expertise ensures both speed and quality.
A common mistake is expanding too quickly into multiple markets and languages, which causes your focus to become fragmented. First, determine which markets have the greatest potential. Conduct keyword research for each market and develop a content plan. Start with the most important pages and then expand step by step. This prevents you from investing your energy and budget in markets that yield little return.
Set clear KPIs, such as visibility by market or conversion from organic traffic. This will help you determine whether the investment is paying off. Keep in mind that SEO can take longer in some countries due to stiffer competition or different search intent. Therefore, prioritize wisely and be prepared to work in phases.
Technology forms the foundation of multilingual SEO. Correct implementation of hreflang tags is important: this tells search engines which content is intended for which language and region. Errors in hreflang can lead to incorrect indexing and lower rankings. In addition, a clear language selector is important for users, allowing visitors to easily switch between languages. This improves both user-friendliness and discoverability.
The choice of URL structure also plays a role in technical SEO. Make sure your URLs are consistent and clear so that search engines can easily understand which content belongs to which language. Combine this with a solid internal linking structure so that users can easily navigate through all language versions.
Staying on top of things can be a challenge when you’re serving multiple markets and languages. Fortunately, there are handy tools that help make this process manageable. Consider, for example, ContentKing for continuously monitoring technical and on-page changes, or Notion templates that let you easily set up an international content calendar. Trello and Asana can also help you structure tasks by market. Tools like these make it much easier to stay on top of your content, track progress, and organize collaboration between teams in a clear and structured way.
A content audit also helps you stay on top of things. By regularly reviewing your international content, you can quickly identify any overlaps or gaps. This prevents you from creating duplicate content or overlooking important search terms. That way, you ensure that your content strategy remains efficient and effective.
To stay on top of your international SEO, you need to track performance by language and country. Tools like SE Ranking and AccuRanker are ideal for this. Set up projects by country or language so you can gain insight into search rankings for each market. Combine this with data from Google Search Console and Analytics for each domain or language section to get a complete picture. Consider the following steps:
This approach gives you a clear overview of each market and lets you know exactly where opportunities for optimization lie. A well-designed system makes it possible not only to monitor search rankings but also to measure the impact on traffic and conversion. This allows you to quickly see which markets are growing and where you need to focus your attention. By doing this consistently, you’ll build a reliable dataset that serves as the foundation for further strategic decisions.
As mentioned earlier, one of the biggest risks of a multilingual SEO strategy is the fragmentation of your time, attention, and focus. That’s why it’s important to be mindful of this. The following tips will help you do just that:
With multilingual SEO, you build a strong international presence step by step. It’s all about striking the right balance between culture, strategy, technology, and overall perspective. By staying focused, making realistic choices, and not trying to do everything at once, you lay the foundation for sustainable growth in multiple markets. International SEO is a marathon, not a sprint: companies that invest consistently will reap the long-term benefits.
Jarik Oosting is one of the Netherlands’ best-known SEO and GEO specialists and is the founder of SmartRanking. With more than 15 years of experience, he has worked on over 150 SEO and GEO projects for Dutch and international companies. His expertise ranges from technical SEO and complex migrations to strategies and visibility in AI models.
In January 2025, Jarik introduced GEO (also called AEO) to the Netherlands. He wrote the Dutch book “GEO – Zichtbaar zijn in de antwoorden van AI” about AEO, is an author and editor at Frankwatching, and a contributor to Marketingfacts. As a speaker at events, he shares his knowledge about SEO, GEO, and the search landscape.