Technical SEO: common mistakes and how to correct them.

Discover the most common SEO technical errors and learn how to correct them to improve your website's performance and ranking.

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Technical SEO: common mistakes and how to correct them

Technical SEO is one of the pillars of an effective SEO strategy. It involves the technical aspects that enable search engines to crawl, index and understand your site. Technical errors can be detrimental to your search engine rankings, even if your content is of high quality. Here's a guide to the most common technical SEO errors and how to correct them.

1. Indexing problems

If search engines can't index your pages properly, they won't appear in search results.

  • Error: Pages blocked by robots.txt file : If your robots.txt file blocks certain essential pages, search engines won't be able to crawl and index them.
  • Solution : Check your file robots.txt to ensure that no important pages are blocked. Use Google Search Console to test the indexing of your pages.

2. Duplicate content

Duplicate content can seriously damage your SEO, as search engines don't know which version of the content to index.

  • Error: Pages with identical or very similar content When several pages contain the same or very similar content, Google may penalize them.
  • Solution : Use canonical to indicate the preferred version of the content. Make sure your pages are unique and provide value.

3. 404 errors (pages not found)

404 errors occur when pages no longer exist or have been incorrectly redirected. These errors affect the user experience and can harm your SEO.

  • Error: Link to deleted or non-existent pages If links lead to non-existent pages, users will encounter 404 errors.
  • Solution Use 301 redirects to redirect old pages to relevant pages. Use Google Search Console to detect and correct 404 errors.

4. No HTTPS

Security has become a ranking factor for Google. If your site is not secure (HTTPS), it could be penalized.

  • Error: Site not secure (HTTP instead of HTTPS) HTTP sites don't guarantee a secure connection, which can discourage users and affect your ranking.
  • Solution Install an SSL certificate to secure your HTTPS site. This not only improves your SEO, but also user confidence.

5. Slow loading time

Loading speed is an essential factor in user experience and SEO. A slow site is often penalized by Google.

  • Error: Pages loading slowly If your pages take too long to load, you risk losing visitors and being penalized by Google.
  • Solution : Use tools such as Google PageSpeed Insights to evaluate your site's speed. Optimize images, reduce CSS and JavaScript code, and consider using a CDN (Content Delivery Network).

6. Poor mobile optimization

With Google's mobile-first index, it's crucial that your site is optimized for mobile devices. A site that isn't mobile-friendly risks losing its ranking.

  • Error: Site not responsive If your site doesn't adapt to mobile screens, you'll lose a lot of traffic and risk being penalized.
  • Solution Make sure your site is mobile-friendly by using responsive designs. Use Google's mobile testing tool to check your site's mobile optimization.

7. Insufficient internal networking

A good internal mesh helps search engines to better understand your site's structure and makes it easier to crawl all the pages.

  • Error: No internal links between pages If your pages aren't linked, they may not be properly crawled by search engines.
  • Solution : Implement logical internal linking by linking your pages with relevant text anchors. To find out more, consult our SEO audit services.

Conclusion

Technical SEO is an essential basis for ensuring the proper functioning and optimization of your website. By correcting these common errors, you not only improve your search engine rankings, but also the user experience. For personalized support and tailored technical solutions, explore our SEO optimization services.

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