Knowledge base

SEO vs SEA: the differences, collaboration and impact on your online strategy

9-4-2025 Jowi van Norel Google,

Anyone who wants to be found online sooner or later comes across two familiar terms: SEO and SEA. They are often mentioned in the same breath, as if they were two sides of the same coin. But behind those three-letter abbreviations lie two completely different approaches to online visibility. And while it is tempting to immediately opt for the quickest way to the top of Google, in practice it is precisely the combination of both that often proves most powerful. What SEO and SEA have in common

SEO vs SEA (Ads)

The difference between impressions and clicks: what does it really say about your online visibility?

8-4-2025 Jowi van Norel Other,

When analysing your website performance or ads, you will undoubtedly come across them: impressions and clicks. Two terms that are regularly confused, even though they reveal a fundamental difference in user behaviour. If you want to get more out of your digital marketing strategy, understanding this difference is essential. But more importantly, how do you translate these figures into valuable actions? What is an impression anyway? An impression is created when a link or ad appears on a user's screen. It does not have to

mouse click or impression eye

What is a good backlink?

3-4-2025 Jowi van Norel Link building,

Backlinks have been an important onder part of search engine optimisation for years, but the concept of a good backlink has changed over time. Where once it was mostly about quantity, now it's all about quality, relevance and credibility. In this article, we dive deeper into what makes a backlink valuable, why context matters and how to avoid getting caught up in an outdated link game. Not every link counts the same A backlink, simply put, is a reference from another website

backlinks good or not smiley red to green

What makes local SEO different from general SEO

3-4-2025 Jowi van Norel (Content) marketing, Other, Technical SEO,

Local SEO is not just about keywords or technique, but about being found in a specific region. Whereas general SEO focuses on visibility on a national or international level, local SEO looks at proximity. In a local search, Google tries to determine which business is most relevant ánd closest to it. That means factors such as location data, local listings and reviews weigh more heavily. So you cannot just rely on good content or link building; locally, your presence counts

location local shop seo

Why duplicate content is more than a technical glitch

2-4-2025 Jowi van Norel Google, Other,

You might think: duplicate content is mainly a technical problem, right? But in reality, it is deeper. It's not just about search engines getting confused. It also affects your credibility, your user experience and ultimately your position in search results. If multiple pages on your site (or even outside it) tell the same, zonder added value, Google doesn't know which version is important. And if Google doesn't know, your visibility drops. But more importantly, your visitor is more likely to drop out if that

content ctrl c ctrl v content

What is the difference between crawling and indexing?

31-3-2025 Jowi van Norel Google, Technical SEO,

Crawling and indexing are often mentioned in the same breath, but they are two different steps in the process by which Google includes websites in its search results. Crawling is like exploring your website: Googlebot - Google's robot - visits pages, follows links and gathers information. Only when that information is considered valuable and understandable does indexing come into the picture. Then Google decides to actually include the page in its index so that it can appear

Crawling indexing google spin list

Concepts around SEO: why they matter

28-3-2025 Jowi van Norel (Content) marketing, Link building, Other, Technical SEO,

If you have ever wondered what SEO terms are and why marketers place so much value on them, you are not alone. Among all the jargon, abbreviations and English-language terms, it sometimes seems like learning a new language. But behind those terms is a logic that helps you get found better in Google. And that is exactly what SEO is all about: being visible at the right time, for the right search query. Understanding what people are looking for At

content technical authority eeat backlink indexing

What is linkbuilding and why is it important?

24-3-2025 Jowi van Norel How to/DIY, Link building, SEO tools,

Link building is the process of actively collecting links from other websites to your own site. Such a link - also called a backlink - functions as a kind of recommendation. For search engines like Google, these are signals that your site is valuable. The more relevant and reliable websites link to your content, the higher you can appear in search results. An important detail: it has long since ceased to be about as many links as possible. The quality, relevance and natural structure of your link profile

Linkbuilding

My website is not findable on Google, what should I do?

20-3-2025 Jowi van Norel (Content) marketing, Google, How to/DIY, Link building, Technical SEO,

Findability on Google is essential for businesses and websites to reach visitors and potential customers. While good content plays an important role, it is not the only factor. Technical optimisations, link building and user experience also play a crucial role in how well a website performs in search results. In this article, we discuss the most important aspects that contribute to better findability in Google. Indexation: how do you make sure your website is listed in Google? Before a website appears in

Don't miss it

Subscribe to our newsletter and don't miss a single SEO tip

"*" geeft vereiste velden aan

Dit veld is bedoeld voor validatiedoeleinden en moet niet worden gewijzigd.

Any questions?

Do you want to know more about SEO? Could your website use a new boost?
Get in touch

This is us!

A team of SEO specialists

Our team consists of enthusiastic SEO specialists who are happy to work with you for the best results.

Meet our team
Team photo SEO desk Onder

Read our testimonials!

Renzo van Dongen

Renzo van Dongen

Digital content manager Peugeot

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!

Marien van Stegeren

Eigenaar Kitcentrum

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!

Marten Stellingwerf

Webmaster

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.

Mark Prummel

SEO Specialist Stella Fietsen

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!

OnderBouwing

PLEASE NOTE: DUTCH NEWSLETTER
  • Insights on SEO
  • For beginners and advanced specialists
  • From experiments to developments at Google and from
    best practices to our own cases
  • A look behind the scenes at Onder

"*" geeft vereiste velden aan

Dit veld is bedoeld voor validatiedoeleinden en moet niet worden gewijzigd.