Understanding technical SEO: 10 key points

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What is SEO Technical?

Le referencing Search Engine Optimization (SEO) is a set of techniques designed to improve the position of a website on the Internet. website in search engine results such as Google.

Among these techniques, technical SEO holds an important place and concerns the optimisation of purely technical parameters. Find out more in 10 key points.

Technical SEO

What is Technical SEO?

Technical SEO, or technical natural referencing, aims to optimise the technical aspects of a website to make it more visible and understandable to search engines such as Google.

It mainly concerns:

  • Improve the site's structure: clear tree structure, optimised URLs, sitemap.xml file.
  • Make the site accessible to Google robots: optimised robots.txt file, precise meta robots tagging.
  • Optimise loading speed: pages that display quickly on all media.
  • Securing the site: SSL certificate, HTTPS activated.
  • Using structured data: enrich the content to make it easier for Google to understand.
  • Managing technical errors: identify and correct 404s, 500s, etc.

1. Site architecture and URL structuring

First of all, it is vital to have a well-organised site architecture. Irreproachable from a semantic point of view, it must enable search engines to easily understand the hierarchy between the different pages. What's more URL must be structured clearly and logically, using relevant keywords.

Example of an optimised URL :


2. Page load times

One of the main criteria taken into account by search engines is page load time. The faster a page loads, the better its ranking. So you need to work on theperformance optimisation of the site by lightening images, activating compression and using technologies such as lazy loading for multimedia content.

3. Accessibility and indexing

To be properly referenced, a website must be easily accessible to search engines and users. Indexing errors must be corrected, particularly those concerning tags, such as 404 errors (page not found), multiple redirects or duplicate URLs.

Checking errors from Search Console :

To check the health of your site on Google, it is essential to create an account on the Search Console. This free tool will usually show you the errors and tell you how to fix them.

4. Mobile version of the site

With browsing on smartphones and tablets becoming more widespread, it's essential to have a site that's optimised for these devices. Google even gives priority to mobile-friendly sites in its search results. So you need to make sure that your responsive designIn other words, it automatically adapts to the size of the visitor's screen.

5. Image optimisation

To reduce page load times, it is important to compress images while maintaining their visual quality. In addition, don't forget toadd alt attributes (alternative text) to images, as this helps search engines to understand them and improves accessibility for the visually impaired.

6. Meta tags and page titles

The Meta tags and page titles play a crucial role in SEO. Meta tags (title, description) must be written with care, incorporating the main keywords and respecting the writing rules. Each page must also have a single titlerelevant and well-structured.

Example of a title tag :

Product name | Category | Site name

7. Internal linking and external links

Le internal networking is essential for guiding visitors through the site and facilitating search engine navigation. Care must therefore be taken to establish relevant links between the different pages of the site. In addition external links to quality sites improves your credibility and can boost your ranking in search results.

8. Optimising HTML and CSS code

Properly coding your site in accordance with web standards is essential for improve your referencing. Poorly optimised code can generate display errors or slow down page loading times. We also recommend that you always use the semantic tags to correctly describe the content and facilitate analysis by search engines.

9. Duplicate content

Search engines don't like duplicate content. It is therefore essential that each page of your site offers original and unique content. If there is similar content on several pages, it is advisable to use the tag rel= "canonical " to tell search engines which is the original version to take into account.

10. robots.txt and sitemap files

The robots.txt file is used to communicate with search engines and to indicate the rules to follow when they analyse your site. It is particularly useful for specifying which parts of the site should not be indexed. Providing a sitemap also makes it easier for search engines to crawl and index your pages.

In short, technical SEO is a set of best practices to follow in order to optimise your website and improve its natural referencing. From well-structured URLs to page load times, accessibility and mobile versions, every detail counts to achieve a better position in search engine results.

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