Layout file types

What's in this topic

For a particular page, its layout is defined by two major layout components: page layout file and page configuration file.

A page layout file defines the page wireframe, for example, one-column layout. Technically page layout is an .xml file defining the structure inside the <body> section of the HTML page markup. Page layouts feature only containers. All page layouts used for page rendering should be declared in the page layout declaration file.

Page configuration is also an .xml file. It defines the detailed structure (page header, footer, etc.), contents and page meta information, including the page layout used. Page configuration features both main elements, blocks of particular classes and containers.

We also distinguish the third type of layout files, generic layouts. They are .xml files which define the contents and detailed structure inside the <body> section of the HTML page markup. These files are used for pages returned by AJAX requests, emails, HTML snippets and so on.

This article gives a comprehensive description of each layout file type.

Page layout

Page layout declares the wireframe of a page inside the <body> section, for example one-column layout or two-column layout.

Allowed layout instructions:

Sample page layout:

<Magento_Theme_module_dir>/view/frontend/page_layout/2columns-left.xml

<layout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_layout.xsd">
    <update handle="1column"/>
    <referenceContainer name="columns">
        <container name="div.sidebar.main" htmlTag="div" htmlClass="sidebar sidebar-main" after="main">
            <container name="sidebar.main" as="sidebar_main" label="Sidebar Main"/>
        </container>
        <container name="div.sidebar.additional" htmlTag="div" htmlClass="sidebar sidebar-additional" after="div.sidebar.main">
            <container name="sidebar.additional" as="sidebar_additional" label="Sidebar Additional"/>
        </container>
    </referenceContainer>
</layout>

Page layout files conventional location

Conventionally page layouts must be located as follows:

Module page layouts: <module_dir>/view/frontend/page_layout
Theme page layouts: <theme_dir>/<Namespace>_<Module>/page_layout

Page layouts declaration

To be able to use a layout for actual page rendering, you need to declare it in layouts.xml.

Conventionally layout declaration file can be located in one of the following locations:

Module layout declarations: <module_dir>/view/frontend/layouts.xml
Theme layout declaration: <theme_dir>/<Namespace>_<Module>/layouts.xml

Declare a layout file using the <layout></layout> instruction, for which specify the following:

<layout id="layout_file_name">. For example, the 2columns-left.xml page layout is declared like following: <layout id = "2columns-left"/>
<label translate="true|false">{Label_used_in_Admin}</label>

Sample page layout declaration file:

<Magento_Theme_module_dir>/view/frontend/layouts.xml

<page_layouts xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/PageLayout/etc/layouts.xsd">
    <layout id="1column">
        <label translate="true">1 column</label>
    </layout>
    <layout id="2columns-left">
        <label translate="true">2 columns with left bar</label>
    </layout>
    <layout id="2columns-right">
        <label translate="true">2 columns with right bar</label>
    </layout>
    <layout id="3columns">
        <label translate="true">3 columns</label>
    </layout>
</page_layouts>

Page configuration

The page configuration adds content to the wireframe defined in a page layout file. A page configuration also contains page meta-information, and contents of the <head> section.

Page configuration file conventional location

Conventionally page configuration files must be located as follows:

Module page configurations: <module_dir>/view/frontend/layout
Theme page configurations: <theme_dir>/<Namespace>_<Module>/layout

Page configuration structure and allowed layout instructions

The following table describes the instructions specific for page configuration files. For the descriptions of common layout instructions see the Layout instructions article.

Element	Attributes	Parent of	Description
`<page></page>`	`layout = {layout}` `xsi:noNamespaceSchemaLocation ="{path_to_schema}"`	`<html>` `<head>` `<body>` `<update>`	Mandatory root element.
`<html></html>`	none	`<attribute>`	Mandatory element.
`<head></head>`	none	`<title>` `<meta>` `<link>` `<css>` `<script>`
`<body></body>`	none	`<block>` `<container>` `<move>` `<attribute>` `<referenceBlock>` `<referenceContainer>` `<action>`
`<attribute>`	`name = {arbitrary_name}` `value = {arbitrary_value}`		Specified for `<html>`, rendered like following: `<html name="value'>`
`<title>`	none	none	Page title
`<meta>`	`content` `charset` `http-equiv` `name` `scheme`	none
`<link>`	`defer` `ie_condition` `charset` `hreflang` `media` `rel` `rev` `sizes` `src` `src_type` `target` `type`	none
`<css>`	`defer` `ie_condition` `charset` `hreflang` `media` `rel` `rev` `sizes` `src` `src_type` `target` `type`	none
`<script>`	`defer` `ie_condition` `async` `charset` `src` `src_type` `type`	none

Generic layout

Generic layouts define the contents and detailed structure inside the <body> section of the HTML page markup.

Generic layout file conventional location

Conventionally generic layout files must be located as follows:

Module generic layouts: <module_dir>/view/frontend/layout
Theme generic layouts: <theme_dir>/<Namespace>_<Module>/layout

Generic layout structure and allowed layout instructions

The following table describes the instructions specific for generic layout files. For the descriptions of common layout instructions see the Layout instructions article.

Element	Attributes	Parent of	Description
`<layout></layout>`	`xsi:noNamespaceSchemaLocation="{path_to_schema}"`	`<container>` `<update>`	Mandatory root element.
`<update>`	`handle="{name_of_handle_to_include}"`	none
`<container>`	`name="root"` For complete list of attributes, see Layout instructions	`<block>` `<container>` `<referenceBlock>` `<referenceContainer>`	Mandatory element

Sample generic layout:

<layout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/layout_generic.xsd">
    <update handle="formkey"/>
    <update handle="adminhtml_googleshopping_types_block"/>
    <container name="root">
        <block class="Magento\Backend\Block\Widget\Grid\Container" name="googleshopping.types.container" template="Magento_Backend::widget/grid/container/empty.phtml"/>
    </container>
</layout>

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