Leadgenerering
3. juni 2025
What is “semantic SEO”?
Semantic SEO is a method where you optimise your content based on the meaning of the topic—not just a few specific keywords.It is about understanding the user’s intent and using related keywords and concepts so that both Google and people get the point.It gives your content more depth and variety, and makes it a better…
What does ‘semantics’ mean?
“Semantic” means: “what something means. Simple.” “meaning-related” or “meaning”. It comes from the branch of linguistics that deals with meaning.
In SEO and language, it is about how words relate to each other in context. It is the difference between understanding “bank” as a place with money and “bank” as something you sit on.
Google has started to understand these nuances—and that is what changes the game.
Semantic search – Google has actually started to understand you
Old Google: “You typed ‘pizza’—here are all pages with the word ‘pizza’.”
New Google: “You are looking for a good pizzeria nearby with gluten-free options, right?”
That is what semantic search is about: understanding the intent behind the search, not just the letters that were typed.
Semantic SEO is also referred to as LSI (Latent Semantic Indexing). So in a way, it is old wine in new bottles that people have started talking about “Semantic SEO” again—it is not a new concept. However, “helpful content” has become an increasingly large part of Google’s algorithm, and Google is looking more and more at:
- The relevance of the content
- Who wrote it (author and authority)
- Whether people actually read it (do they stay on the page)
- Whether they interact with the page
- and more signals that the content is not just a bunch of words, but that it also helps people.
So semantic SEO is more justified now than it was 5 years ago—and thank goodness for that, because it simply results in better content.
Today, Google uses more advanced systems than LSI, but the principle is the same: write as if you actually understand the topic.
What are semantic keywords?
Semantic keywords = related concepts that make sense in context.
You might sell “office chairs”, but you should also mention:
- ergonomics
- sit-stand desks
- working posture
- lumbar support
- home office
Then Google knows: “Okay, this is not just about chairs—it is about the entire workspace setup.”
When you need to select keywords, we recommend that you analyse which concepts and themes your users (and competitors) are actually engaging with.
A semantic keyword analysis does not just look at one keyword, but at the entire linguistic ecosystem around your topic.
Why is it important?
Because Google no longer ranks based on keyword stuffing.
Semantic SEO helps you:
✅ Rank more broadly for related searches
✅ Keep people on your website longer (because you answer what users really want to know)
✅ Appear more credible and competent
✅ Give your content nuance, angles, and potentially greater depth.
It is the difference between being one page among many—and being the page people actually click (and stick with).
How to work with semantic keywords
- Start with the topic, not the keyword
What is it really about? What is the purpose? - Find related concepts
Use competitor analysis, Google Autosuggest, “People also ask”, and tools (more on those in a moment). - Create a topic map
The main topic in the middle, with all the important related topics and questions around it. - Write naturally
You do not need to force in every keyword. You just need to cover what people genuinely want to know.
How do you optimise your content for semantic SEO?
Here is the practical workflow:
Answer what people want to know—before they ask.
- Review your current text: Is anything missing? Use tools to see what the best competitors mention.
- Add missing semantic elements: Have you, for example, written about “bike helmet” but forgotten “MIPS”, “in-mold”, and “traffic safety”? Then now is the time.
- Split it into clear sections: Use subheadings (H2/H3) with clear questions or topics.
Tools you can use
| Software | About the tool | Prices (from) |
| Ahrefs | Find related keywords, “parent topics”, and see what questions people ask. Great for spotting gaps in your semantics. | DKK 845/month |
| Morningscore | A Danish tool that makes it easy to keep track of your rankings and on-page SEO—without drowning in data. Use it to track whether your changes actually work. | DKK 320/month |
| Fraise.io | Builds content briefs based on semantic analysis of top-ranking pages. Great if you want to get started quickly. | DKK 294/month |
| SurferSEO | Shows you exactly which related concepts you should mention in your text—based on what is already performing best. | DKK 520/month |
| Google Search Console | Google shows you what people are searching for—use it! | Free |
Frequently asked questions about Semantic SEO
What does semantic SEO mean?
Is semantic SEO the same as LSI?
Does semantic SEO work in 2025?
Is it difficult to get started?
What is the difference between semantic SEO and regular SEO?
Is it just a fad?
Semantic SEO is not just another hype—it is the foundation of all good content today. Every single one of Google’s updates points in this direction, and at the same time it is based on what people want to read, which also makes it a logical direction for search results to move in—unless we want poor texts stuffed with keywords, written in yellow font on a pink background.
