The three pillars of SEO: The fundamentals of search engine optimization

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The Three Essential SEO Pillars for your Website

Today, organic SEO is a necessity for any business wanting to improve its online visibility. The basic principles of SEO, or Search Engine Optimization, are articulated around three main pillars. These three SEO pillars can help you optimize your site and increase your visibility on search engines.

Before exploring these pillars, it’s important to understand what SEO is. It’s a set of strategies and techniques used to improve a website’s ranking in search results from engines like Google.

Google SEO Referencing

The First SEO Pillar: Technique

The first pillar of SEO is technique, which focuses on optimizing your website’s code. This technique includes several aspects such as:

Loading Speed

A website that loads quickly improves the user experience and promotes a better ranking in search results.


A “responsive” or “reactive website” adapts to different devices used by Internet users (computers, smartphones, tablets). This is a crucial criterion for Google.

Site Architecture

A well-organized site architecture allows search engine robots to explore and index your site’s pages more efficiently.
Beyond these aspects, technique also includes site security (HTTPS), the XML sitemap file, the robots.txt file, among others. All these techniques are usually managed by a specialized web SEO agency.

You can learn more about technical optimization in this article.

The Second SEO Pillar: Content

The second pillar of SEO is content. Search engines, like Google, aim to provide the most relevant and useful information to their users. Therefore, your website’s content must be quality, relevant, and useful to your visitors.

Content Quality

Quality content is original, informative, and answers your audience’s questions. It should be regularly updated. Thus, it’s best to aim for regular and consistent publishing, rather than posting several articles at once.


Keywords are essential to help search engines understand the topic of your content. They must be used judiciously and naturally.
Choosing keywords is a crucial step in the organic SEO process. An organic SEO agency can help you identify the most relevant keywords for your business.

Keyword strategy concept for organic SEO
In summary, SEO-optimized content can significantly improve your ranking in search engines and increase traffic to your website.

Let’s continue to explore the SEO pillars with the third and final pillar: popularity. To be continued in the second part of this article.


The Third SEO Pillar: Popularity

After addressing technique and content, we come to the third pillar of SEO: popularity. This dimension encompasses everything related to how your website is perceived by other sites and online users. Here are some key elements to consider:

Increasing popularity. One of the SEO pillars


Backlinks are links that point to your site from other websites. They are very important for SEO because they signal to search engines that your content is valuable and trustworthy. The more quality backlinks you have, the more popular your site is considered. You can learn more about the importance of backlinks in SEO by reading this article.

Social Signals

Social signals, such as shares, likes, and comments on social media, can influence how search engines perceive your site. Although they do not directly affect your ranking, they can contribute to increasing your visibility and web traffic.

Online Reviews

Positive reviews can improve your online reputation and signal to search engines that your business is reliable and appreciated by its customers.
By working on these three pillars of SEO, your website can improve its ranking on search engines and attract more qualified traffic.

It’s important to note that SEO is not a short-term strategy. Results can take time to manifest, but the efforts invested are typically rewarding in the long run. Furthermore, SEO is a constantly evolving discipline. It’s therefore essential to stay updated and adapt your strategy accordingly.

If you lack the expertise or time necessary to manage your SEO, an SEO agency can be a valuable solution. SEO agencies have the experience and tools necessary to analyze your site, identify opportunities for improvement, and implement effective strategies.

In the third part of this article, we will discuss how to choose an SEO agency and the mistakes to avoid in your SEO strategy.

Optimize Your SEO Strategy with an Agency

Choosing the SEO agency that will assist you in your SEO strategy is crucial. An experienced agency will be able to understand your business, identify your goals, and develop a customized strategy to achieve these goals. Here are a few points to consider when selecting your SEO agency:

Reputation and Experience

Choose an agency with a good reputation and solid experience in SEO. Don’t hesitate to ask for references and research online reviews to get an idea of their reliability and expertise.

Transparency and Communication

A good agency should be transparent in its methods and keep you regularly informed about the progress of your project. It should also be receptive to your questions and concerns.

Services Offered

Ensure that the agency offers the services you need, whether it’s technical optimization of your site, content creation, link building, or competition analysis. For an in-depth understanding of what an SEO audit is.

Mistakes to Avoid in Your SEO Strategy

In SEO, some mistakes can harm your ranking in search results. Here are some common mistakes to avoid:


While optimizing your site for search engines, it’s essential to avoid over-optimization. Search engines prefer natural content, so overuse of keywords or links can be penalized.

Low-Quality Content

Low-quality content offers no value to users and can harm your ranking. Ensure to produce high-quality content that meets the needs of your audience.

Using Black Hat Techniques

Black Hat SEO techniques, which go against the guidelines of search engines, can lead to severe penalties. For more information on what Black Hat SEO.

By avoiding these mistakes and working with a competent SEO agency, you can optimize your SEO strategy and improve your site’s visibility on search engines.

How to choose an SEO agency?

When choosing an SEO agency, it’s important to consider its reputation, experience, the transparency of its methods, its communication abilities, and the services it offers.

What is over-optimization in SEO?

Over-optimization in SEO occurs when you use too many keywords or links in your content, which can appear unnatural to search engines and may lead to penalties.

What is low-quality content in SEO?

Low-quality content is content that offers no value to users. It may be poorly written, duplicated, stuffed with keywords, or not meeting the needs of your audience.

What is Black Hat SEO?

Black Hat SEO encompasses techniques that go against the guidelines of search engines, such as keyword stuffing, cloaking, or using hidden links. These techniques can lead to severe penalties from search engines.

How to optimize my SEO strategy?

To optimize your SEO strategy, avoid over-optimization and producing low-quality content, and do not resort to Black Hat techniques. Work on the three pillars of SEO: technique, content, and popularity. Collaborating with a competent SEO agency can also be very beneficial.


In conclusion, SEO is an essential aspect of online marketing that rests on three pillars: technique, content, and popularity. By optimizing these three aspects and avoiding common mistakes, you can improve your site’s visibility on search engines and attract more qualified traffic. Remember that SEO is a long-term strategy and results can take time to manifest. However, with patience and consistent efforts, the benefits can be significant.

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Eric Ibanez expert SEO

Éric Ibanez

SEO Writer - CEO @hacktheseo

An expert in SEO since the launch of his e-commerce dedicated SAAS in 2016, Eric quickly grasped the significance of optimization for search engines to acquire new clients. Building on this expertise, he authored a book in 2019, published by Dunod, providing invaluable insights for succeeding in the e-commerce world. Recently, Eric introduced an innovative SAAS, leveraging artificial intelligence to assist entrepreneurs in enhancing their visibility on Google through simplified SEO.

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