Cómo solucionar el error de URL no canónica de SEMRush en el sitemap

Si ha encontrado el “non-canonical URL in Sitemap” error on your e-commerce website, don’t worry, this blog post will show you how to fix it in just a few simple steps and help you with your technical SEO task and become a webmaster anytime soon! So read on and get your site back on track!

URLs canónicas

¿Qué es una URL no canónica?

A canonical URL or canonical page is the preferred URL for a web page. A non-canonical URL is any other variation of the page’s address. Canonicalization is the process of determining which version of a URL is the “true” or “preferred” version of the page.

Ejemplo de URL canónica


Ejemplos de no...URLs canónicas de la misma página


Los sitemaps pueden incluir URLs canónicas y no canónicas debido a errores del usuario o a que su sistema de gestión de contenidos (CMS) selecciona la versión canónica incorrecta.

Why shouldn’t you have non-canonical URLs in your sitemap?

A El mapa del sitio ayuda a los motores de búsqueda a indexar the site’s content. However, some pages should not be included in a sitemap, as they are not intended to be indexed by search engines. These pages are known as non-canonical URLs. Non-canonical URLs can include pages that have duplicate content issues  (duplicate URLs) of other pages on the site or that are only accessible through different URL parameters. Including these pages in a sitemap can confuse search engines. For this reason, it is essential to understand how to identify and exclude non-canonical URLs from a sitemap.

¿Cómo se arreglan las URL no canónicas en un sitemap?

Un mapa del sitio es un archivo que contiene una lista de todas las URL de su sitio web. Esta lista ayuda a los motores de búsqueda a arrastrarse and index your site more efficiently. Non-canonical URLs or non-canonical pages are duplicate page versions of the same page, which can occur for various reasons (e.g., WWW vs. non-WWW, HTTP vs. HTTPS). These identical contents or similar pages can cause problems for your website because they can be indexed by search engines, hurting your site’s ranking. Continue reading to learn how to solucionar estos errores rápidamente:

  1. Identificar las URL no canónicas

    urls no canónicas

    First, Identify which URLs are Non-canonical in your Sitemap. The non-canonical URL error shows up in the SEMrush Audit under “incorrect pages found in sitemap.xml” or using a website crawler like Screaming Frog. In Screaming Frog, you can find the errors under the Canonicals tab in a scan.  

  2. Encontrar la URL canónica correcta

    url canónica correcta

    Open the error reports non-canonical URL in your browser, then determine what the correct canonical should be. You can do this by comparing the browser URL and by viewing the HTML código fuente.

    En el código fuente, you will be looking for the rel etiqueta canónica or also known as a canonical link:

    <link rel="canonical" href="https://example.com/">

    What should be the correct etiqueta canónica? It’s typically the most human-friendly version of the URL, something you could easily share with a friend.

  3. Actualizar la URL

    configuración canónica de yoast

    Using a CMS such as WordPress y el Yoast plugin, you can update the URL canónica logged into your website under the Advanced Yoast Settings. Other SEO plugins use a similar approach; if you created your sitemap manually, you would need to edit the file.

  4. WWW vs. no-WWW

    configuración de la url

    If you noticed that the majority of your website has mismatched URLs or redirects creating a non-canonical error:

    e.g., www.seonorth.ca vs. seonorth.ca (or HTTP vs HTTPS)

    It’s easier and faster to fix the WordPress Address + Site Address, along with using Better Search n Replace plugin to resolve your issue to add absolute URLs, rather than repairing individual pages.

  5. SSL vs. No-SSL

    ssl realmente sencillo

    Really Simple SSL automatically detects your settings and configures your website to run over HTTPS. The entire site will move to SSL. That includes your homepage, pages, posts, custom post types, categories, tags, images, widgets… Everything!

    Por lo tanto, si ha notado que el contenido no seguro está creando errores no canónicos, esta es la solución más rápida y fácil.


If you still have issues with the “non-canonical URL in Sitemap” error after following these instructions, please do not hesitate to contact us for help. Our team of experts is more than happy to assist you in getting your website back up and running as smoothly as possible. Thanks for reading!


  • ¿Son las URL canónicas malas para el SEO?

Publicado en: 2022-08-24
Updated on: 2024-04-04

Avatar de Isaac Adams-Hands

Isaac Adams-Hands

Isaac Adams-Hands es el director de SEO en SEO North, una empresa que ofrece servicios de optimización de motores de búsqueda. Como profesional de SEO, Isaac tiene una considerable experiencia en SEO On-page, SEO Off-page y SEO Técnico, lo que le da una ventaja frente a la competencia.