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utilization Elementor More and more people build WordPress pages, many users will encounter a problem: the page design is very beautiful, but the loading speed is very slow, but also affect the user experience and SEO ranking. So, where is the problem? This article will take you in depth to understand an often overlooked reason!DOM structure not optimizedand Elementor provideOptimized DOM OutputThe solution.

What is DOM and why does it affect page load speed?

1.1 What is DOM?

DOM(Document Object Model) is a structured representation built by the browser when loading a web page. It parses an HTML element into aHierarchical "tree structure", every label, text, image, button, etc. on the page becomes one of the DOM nodesThe

We can simply understand thatDOM is the structure of a web page as "seen" by the browser.The DOM is a programmable version of HTML. It is the DOM that enables the browser to understand the content of a web page. The following diagram visualizes the basic structure of the DOM: from the document Starting at the beginning, HTML elements are expanded in a hierarchical order, like ,<body>,<h1>,<a> etc. appear as nodes in the DOM tree. Each node is connected by a parent-child relationship and forms the operable skeleton of the entire web page.

in using Elementor When we use visual page builders such as Elementor, we quickly build pages by dragging and dropping components. This approach is convenient, but for every element used, Elementor usually generates multiple nested <div> Containers. As the number of page components grows and the HTML structure becomes more complex, theDOM level increaseThis in turn affects the loading performance of the web page and the user experience.

In order to address this issue.Elementor officially introduced an experimental feature in version 3.6 (March 2022): Optimized DOM OutputThe purpose of this feature is to streamline the structure of the HTML generated on the page. The purpose of this feature is to streamline the structure of the HTML generated by the page, removing unnecessary nested tags and optimizing the overall DOM hierarchy. It is also sometimes referred to as "Optimized Markup(Optimizing Markup Structures)"The

With this feature turned on, Elementor outputs page code in a more lightweight way, resulting in faster loading, higher accessibility scores, and better SEO performance.

1.2 The deeper the DOM level, the slower it loads

The more DOM nodes and the more complex the structure, the more computationally intensive it will be for the browser to parse the page, resulting in:

Increased page load time
Render blocking becomes more
Delay in first user interaction
Google performance scores are down (especially affecting Core Web Vitals)

Optimizing the DOM structure is therefore an important step in improving the loading speed of Elementor pages.

Second, Elementor common reasons for slow loading pages

In addition to common problems such as hosting configuration, improper image compression, and unoptimized caching.Elementor Slow loading pages are often related to the complexity of the DOM structure. The following are some of the specific manifestations:

2.1 Div nesting in page source code

For each Element used (e.g., text box, button, image), Elementor generates multiple div containers to wrap. Stacked together, a simple page can generate hundreds or thousands of DOM nodes.

2.2 Not using Flexbox Container

Many users are still using the old Section + Column construction, resulting in additional layout nesting. By switching to the new version of the Flexbox container feature, the extra structure can be significantly reduced.

2.3 Optimized DOM Output not enabled

This is a performance enhancement that has been added to Elementor in recent years. Many users are unaware of its existence, resulting in older redundant structures still being used and naturally slower page loads.

Enabling the Elementor Optimized Markup Function

3.1 Functional description

Elementor introduced this feature, initially named "Optimized DOM Output", sometimes referred to as "Optimized Markup"Both names refer to the same feature that Elementor uses to streamline the structure of HTML. Both names refer to the same feature that Elementor uses to streamline the structure of HTML and reduce redundant tags.

Remove unnecessary nested div containers
Streamlining the component structure
Reducing the number of DOM nodes on a page
Improve load speed and accessibility

When enabled, Elementor automatically generates pages with a cleaner, more standardized structure, greatly reducing the HTML complexity of the page.

3.2 Enabling modalities

Follow the steps below to turn on the feature:

Login to WordPress Backend
In the left menu click on Elementor → Settings
On the Settings page, click on the top navigation bar of the "Features"

locate Optimized Markup
Change the function from "Default" to "Active"
Select "Enable" and save the changes.

IV. Comparison of actual results after optimization

4.1 Improved performance scores

Significant reduction in the number of DOM nodes
Largest Contentful Paint (LCP) time reduction
Total Blocking Time (TBT) declines
SEO and accessibility scores have also improved

4.2 Clearer page structure and easier to maintain CSS

For those using custom CSS, the optimized structure makes it easier to position elements and reduces unnecessary classes.

V. Frequently asked questions and recommendations

5.1 What should I do if the page style is messed up when I enable it?

If you are using an older version of the template or a third-party Elementor plugin, there may be styles that are not compatible with the new structure. This is possible in this case:

Temporarily turn off optimization markers for troubleshooting
Check for CSS that relies too heavily on nested structures
Waiting for plugin developers to update compatibility support

5.2 Do all pages need to be re-saved?

Yes. In order to get the pages to adopt the new structure, it is recommended that you reopen each page in Elementor and click the "Update" button.

5.3 Are all themes compatible?

Common themes such as Hello Theme, Astra,KadenceIt is also compatible with Blocksy and other themes. However, if you are using an older theme, it is recommended to enable it in a test environment before going live.

Don't ignore the value of DOM optimization

DOM OptimizationIn the Elementor visual editor is the key to performance improvement, it helps us to reduce redundant code structures in the page and make the page lighter and faster, so don't ignore the value of DOM optimization. If you think Elementor Pages load slowly, try turning this feature on. Websites don't need to be complicated, but they must be fast. Turn on optimization markup now to boost your loading speed!

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