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A detailed list of all Cartum's technical solutions for SEO optimization of your website

Updated this week

We recommend this article for SEO specialists to read before starting a SEO audit of a website created with Cartum, as well as for website owners to understand all the features of their site.

The article describes Cartum's technical solutions for improving SEO capabilities and built-in tools that can be used to promote a website.

Managing page links

Cartum allows you to flexibly customize the hyperlink generation formula for different types of pages.

Examples of possible link formats for category pages:

  • domain.com/catalog/category-1-level/subcategory/

  • domain.com/catalog/subcategory/

  • domain.com/subcategory/

  • domain.com/123-subcategory/

  • domain.com/123-subcategory.html

Examples of possible link formats for product pages:

  • domain.com/catalog/category-1-level/subcategory/product-name/

  • domain.com/catalog/subcategory/product-name/

  • domain.com/products/product-name/

  • domain.com/product-name/

  • domain.com/123-product-name.html

Different formulas can be customized for these types of pages:

  1. Category page (and all other pages from the site structure);

  2. Product page;

  3. News page;

  4. Brand page.

Please note: The format of the link generation can be changed by the support team at your request.

Customizing the link format allows you to avoid redirects and preserve old page addresses when migrating to Cartum from other platforms. You can change the link format on a live site as well — we remember the old address for all pages and all old links remain working.

History of page addresses

Every time you change the address of a page on a live site, we remember its old address and automatically redirect all users from the old address to the new one.

Links for filtering pages

Filter pages are created using the following template:

/category/filter/paramName1=14;paramName2=1,2/

The template cannot be changed. It is possible to manually set links for specific combinations of filters using the Filter presets option.

Managing the website pages indexing

We carefully control the indexing of all types of website pages, and we allow indexing only those pages that should be included in the search index and prohibit indexing of all additional pages (duplicates) that do not contain unique content.

We use a combination of several tools to manage website indexing and combat duplicate content:

  1. Disabling indexing in the robots.txt file — done to reduce the server load that occurs when indexing a large number of filtering pages.

  2. Prohibiting indexing with the robots tag to ensure that unnecessary pages are not indexed and are not included in the secondary index.

  3. Specifying canonical pages (rel canonical) — to link identical pages into one, for those pages that still need to be indexed.

For more information on how we control the indexing of each type of page, see Managing website indexing.

Disabling category indexing

By default, all categories in the product catalog are available for indexing. If necessary, you can disable indexing for certain categories by enabling the "noindex" and "nofollow" options in the category properties. Products for which this category is the parent will also be closed for indexing (the value of the <meta robots> tag will be duplicated for them).

For nested subcategories, the values of these options are not duplicated, i.e. the subcategories are not closed for indexing along with the parent category.

Indexing of site language versions

By default, all language versions of the site are available for indexing. If necessary, you can close the indexing of a particular language version of the site.

This option is enabled by the support team upon request. In this case, all pages of this language version are closed from indexing. The language version that is closed for indexing can remain open to users.

Indexing of filters

By default, all filter pages are closed for indexing. But there are two ways to open the necessary filters for indexing.

  • The Filters to index option allows you to open filters for indexing according to the specified characteristics in the specified categories. You can also define h1, title, description values for these pages using SEO templates.

  • The Filter Presets option allows you to define url, h1, title, description, and SEO text for a specific combination of filters.

Indexing of pagination pages

Since there is no consensus on whether paginated pages should be indexed and how to block them from indexing, we have implemented three methods:

  • Recommended by Google (enabled by default): pages are open for indexing, their code contains the rel="next" and rel="prev" attributes to indicate the relationship between paginated pages.

  • Specifying a category page as the canonical page for all pagination pages.

  • Complete disabling of pagination pages indexing (noindex, follow).

You can enable the second or third indexing mode in the admin panel of your site in MarketingSEO → Additional SEO settings.

We recommend that you change the pagination indexing mode only if you understand the consequences of doing so.

Indexing of the mobile version

The mobile version does not create duplicate links, as it uses the same page addresses as the desktop version. We use dynamic display technology: we determine the type of device and automatically display different html code. To make search engines understand that there are different versions of the site for different types of devices, we use the http header vary, according to Google's recommendations.

In the footer of the desktop version, there is a link to manually switch to the mobile version (/?v=mobile). This link is closed from indexing.

Robots.txt

The contents of the file work in conjunction with all the other steps described above, it is standard for all projects and does not need to be changed. Moreover, any changes made to this file can lead to indexing disruption and increase the server load.

If your SEO specialists recommend changes to robots.txt, we will analyze these changes and, if they are really useful, implement them in future updates for all projects. But experience shows that most of these suggestions don't make sense.

SEO tags management

For the <title>, <h1>, <meta name="keywords"> and <meta name="description"> tags of each page, there is a possibility of flexible content management, namely:

  1. Manually set a unique value in the properties of a particular page.

  2. Generate tag values according to SEO templates for all pages of a certain type. For more details, see the SEO Templates manual.

In addition, for all categories of the product catalog, you can specify SEO text that is placed in the site code above the main content of the page.

Please note: the data generated by SEO templates will be placed only in the site code and will not appear in the corresponding fields of pages or products in the admin panel.

We have also taken into account all standard semantics recommendations. We use header tags, image captions, etc. correctly.

Microdata tags

We have already implemented all the microdata tags that are suitable for different types of online store pages. Google sometimes changes its attitude to tags: it adds new properties, starts requiring mandatory filling of previously optional fields, or even prohibits the use of some tags in specific cases.

We try to keep track of such changes. But if you notice any useful tags missing or an error in filling in the existing ones, please let us know.

Sitemap.xml

The sitemap.xml file is generated automatically and contains:

  • All pages that are open for indexing;

  • Links to other language versions of pages that are open for indexing;

  • Images for products and news, including image captions, either manually set or generated from templates.

When the number of pages in a file exceeds 50k, the file is automatically split into several.

The priorities specified for pages follow the standard page hierarchy:

  • Home page — "1";

  • All category pages and filter presets — "0.9";

  • Product pages — "0.7";

  • Text and news pages — "0.6".

The file is updated automatically once every hour or manually by clicking on the Generate sitemap.xml button in MarketingSEO → sitemap.xml.

We do not make custom changes to sitemap generation algorithms for individual projects.

Website evaluation by Google PageSpeed Insight

We have already performed all the necessary optimization to achieve maximum Google PageSpeed Insight scores. However, the actual score of each site depends on various external factors that we have no influence on. Therefore, the Google PageSpeed Insight tool will continue to provide recommendations for website improvement. You should not treat these recommendations as mandatory. But you should make sure that everything possible is done.

Image indexing

We have taken a number of steps to improve image indexing. Namely:

  • For all key types of images, it is possible to generate the values of the alt and title attributes using templates;

  • For product photos, it is possible to manually specify unique titles;

  • All key image types are included in sitemap.xml to speed up their indexing.

Google Analytics and other systems

We have provided for the possibility of easy integration of Google Analytics and any other marketing systems that require js-code to be executed upon the occurrence of certain events.

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