86 lines
3.0 KiB
ReStructuredText
86 lines
3.0 KiB
ReStructuredText
.. include:: ../Includes.txt
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.. _introduction:
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============
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Introduction
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============
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What does it do?
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================
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The goal of the core extension "seo" is to make sure basic technical Search Engine Optimization (SEO) is done right
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out of the box. Specific fields for SEO purposes are added, as well as the rendering of HTML meta tags in the frontend.
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There are several things you can do to optimize your site for search engines.
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Some tasks are only solvable with good human writers, others are technical tasks, which just need to be implemented.
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The goal of the extension seo is to help you with the following parts of your seo journey.
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* Give editors all the fields needed to set the necessary meta tags
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* Provide the rendering of meta tags in the frontend for SEO related information, to avoid reimplementing it again and again
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* Provide stable APIs for developers to give them the chance to change the behaviour when needed in edge cases
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This manual will not cover all the developer information, as these are covered in the TYPO3 API documentation.
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.. _screenshots:
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Screenshots
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===========
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.. figure:: ../Images/tab-general.png
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:class: with-shadow
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:alt: General Tab in the TYPO3 Backend
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General Tab in the TYPO3 Backend
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.. figure:: ../Images/tab-seo.png
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:class: with-shadow
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:alt: SEO Tab in the TYPO3 Backend
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SEO Tab in the TYPO3 Backend
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.. figure:: ../Images/tab-meta-data.png
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:class: with-shadow
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:alt: Metadata Tab in the TYPO3 Backend
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Metadata Tab in the TYPO3 Backend
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Hreflang Tags
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=============
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"hreflang" tags are added automatically for multi language websites based on the one-tree principle. The links are
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based on the Site configuration and depending on translations of a page.
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The :html:`x-default` href is the link of the current page in the default language.
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The value of :html:`hreflang` is set for each language in the :guilabel:`Sites module` (see :ref:`t3coreapi:sitehandling-addingLanguages`)
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Canonical Tags
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==============
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TYPO3 provides built-in support for the canonical tag.
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If the core extension "seo" is installed, it will automatically add the canonical link to the page.
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The canonical link is basically the same absolute link as the link to the current hreflang and is meant
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to indicate where the original source of the content is. It is a tool to prevent duplicate content
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penalties.
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In the page properties, the canonical link can be overwritten per language. The link wizard offers all
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possibilities including external links and link handler configurations.
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If no canonical link is given manually, TYPO3 will generate a canonicalized URL to the current page in the current
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language.
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.. warning::
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If you have other SEO extensions installed that generate canonical links, you have to make sure only one creates it.
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If both core and an extension are generating a canonical link, it will result in 2 canonical links which might
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cause confusion for search engines.
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XML Sitemap
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===========
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See :ref:`t3coreapi:xmlsitemap` for the documentation how to configure your XML sitemaps.
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