How to Add Lazy Load Function to WordPress Pages

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Lazy loading is a technique that improves the performance and speed of your WordPress website by only loading the images and videos that are visible to the user. This way, your site doesn’t have to download all the media files at once, which can slow down the loading time and consume more bandwidth.

In this blog post, I will show you how to add lazy load function to WordPress pages using three different methods: upgrading to WordPress 5.4 or higher, enabling native lazy loading through the browser, or installing a plugin.

Method 1: Upgrade to WordPress 5.4 or Higher

The easiest way to add lazy load function to WordPress pages is to upgrade your WordPress version to 5.4 or higher. WordPress 5.4 and newer versions include lazy loading images by default, so you don’t have to do anything else.

However, this method has some drawbacks. First, it doesn’t allow you to configure which images to lazy load, so your website may overuse the feature and cause content buffering or slow scrolling. Second, it doesn’t support lazy loading videos, which can also affect your site speed and performance.

To upgrade your WordPress version, go to Dashboard > Updates and click on Update Now. Make sure you backup your site before updating.

Method 2: Enable Native Lazy Loading Through the Browser

Another way to add lazy load function to WordPress pages is to enable native lazy loading through the browser. This means that the browser will decide when to load the images and videos based on its own criteria, such as the distance from the viewport or the network conditions.

To enable native lazy loading through the browser, you need to add a loading attribute to your image and video tags. The loading attribute supports three values: auto, lazy, and eager.

– Auto: triggers default lazy loading, which is the same as not including a loading attribute.
– Lazy: delays the loading of the assets until they reach a certain distance from the viewport.
– Eager: loads the assets immediately, regardless of their position on the page.

For example, if you want to lazy load an image, you can add loading=”lazy” to its tag:

<img src=”image.jpg” alt=”Image” loading=”lazy”>

You can also use a plugin like Autoptimize or WP Rocket to automatically add the loading attribute to your images and videos.

However, this method also has some limitations. First, it depends on the browser support, which may vary across different devices and platforms. Second, it doesn’t give you much control over how and when to load the assets, which may affect your user experience and SEO.

Method 3: Install a Plugin

The third and most flexible way to add lazy load function to WordPress pages is to install a plugin. There are many plugins that can help you lazy load your images and videos, such as a3 Lazy Load, Lazy Load by WP Rocket, Smush, or Jetpack.

These plugins allow you to customize various aspects of lazy loading, such as:

– Which images and videos to lazy load
– The distance from the viewport for triggering lazy loading
– The placeholder image or animation for lazy loading
– The compatibility with other plugins and features
– The exclusion of certain pages or posts from lazy loading

To install a plugin for lazy loading, go to Plugins > Add New and search for the plugin name. Then click on Install Now and Activate.

For example, if you want to use a3 Lazy Load, you can install it from the WordPress repository and then go to Settings > a3 Lazy Load to configure its options.

Conclusion

Lazy loading is a great way to improve your WordPress site speed and performance by only loading the images and videos that are visible to the user. You can add lazy load function to WordPress pages using three different methods: upgrading to WordPress 5.4 or higher, enabling native lazy loading through the browser, or installing a plugin.

Each method has its own advantages and disadvantages, so you need to choose the one that suits your needs and preferences. You can also test your site speed before and after adding lazy load function using tools like GTmetrix or Pingdom.

I hope this blog post was helpful for you. 🙂

How to Change the Admin User of Your WordPress Site Programmatically

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As a WordPress site owner, you may need to change the admin user of your website for various reasons, such as security or personnel changes. Changing the admin user of your WordPress site can be done programmatically using WordPress functions. In this blog post, we will discuss how to change the WordPress site admin user programmatically.

Step 1: Create a New User

The first step is to create a new user with the desired username and password. You can use the WordPress function wp_create_user() to create a new user programmatically. This function takes three arguments: the username, the password, and the email address. Here’s an example of how to create a new user:

$new_user_id = wp_create_user( 'new_username', 'new_password', 'new_email@example.com' );

Step 2: Assign the New User as an Administrator

Once you have created the new user, you can assign them the administrator role. You can use the WordPress function wp_update_user() to update the user’s role. This function takes an array of arguments, including the user ID and the new role. Here’s an example of how to update the user’s role:

$user = new WP_User( $new_user_id );
$user->set_role( 'administrator' );

Step 3: Delete the Old Admin User

After creating the new user and assigning them the administrator role, you can delete the old admin user. You can use the WordPress function wp_delete_user() to delete the old user. This function takes one argument: the user ID. Here’s an example of how to delete the old user:

wp_delete_user( $old_user_id );

It is essential to note that deleting the old admin user will remove all their posts, pages, and comments from the website. Make sure to transfer ownership of any content created by the old admin user to the new admin user before deleting them.

In conclusion, changing the admin user of your WordPress site can be done programmatically using WordPress functions. By creating a new user, assigning them the administrator role, and deleting the old user, you can change the admin user of your WordPress site quickly and efficiently. Always make sure to backup your site before making any changes to avoid data loss.

Combining React with WordPress Theme: A Comprehensive Guide

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Combining React with a WordPress theme is a great way to create interactive and dynamic user interfaces on your WordPress website. React’s component-based architecture and ability to create reusable code make it an excellent choice for building web applications. In this blog post, we will discuss how to combine React with a WordPress theme.

WordPress + ReactJS

Step 1: Set Up React

The first step is to set up React on your WordPress site. You can do this by creating a new React app and integrating it with your WordPress theme. You can use tools like create-react-app to set up the React app. Once you have set up React, you can start building your components.

Step 2: Create React Components

The next step is to create your React components. You can create components for different parts of your WordPress site, such as the header, footer, or sidebar. You can also create components for specific features, such as a search bar or a login form.

When creating React components, it is essential to keep in mind the WordPress template hierarchy. This hierarchy determines which template files are used to display different pages of your website. You can use WordPress functions like get_header() and get_footer() to include your React components in the appropriate template files.

Step 3: Connect WordPress Data to React

To make your React components more dynamic, you can connect them to your WordPress data. You can use the WordPress REST API to fetch data from your WordPress site and use it in your React components.

For example, you can fetch posts or pages from your WordPress site and display them in a React component. You can also use the WordPress API to create new posts or update existing ones.

Step 4: Optimize Your React Components

Once you have created your React components and connected them to your WordPress data, it is essential to optimize them for performance. You can use tools like webpack to bundle and optimize your React code. You can also use tools like React Lazy and Suspense to lazy load your components, improving the performance of your website.

In conclusion, combining React with a WordPress theme is an excellent way to create dynamic and interactive user interfaces on your WordPress site. By following these steps, you can create reusable React components, connect them to your WordPress data, and optimize them for performance. With the right tools and techniques, you can build a modern and engaging WordPress site using React.

How to Use WebP Images in WordPress?

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Webp images are not allowed to WordPress media library with default setting. To enable the .webp format use the following code block in your functions.php file inside the theme folder.

/* Enable webp image support for media */
function webp_upload_mimes( $existing_mimes ) {
	// add webp to the list of mime types
	$existing_mimes['webp'] = 'image/webp';

	// return the array back to the function with our added mime type
	return $existing_mimes;
}
add_filter( 'mime_types', 'webp_upload_mimes' );

/* Enable preview / thumbnail for webp image files. */
function webp_is_displayable($result, $path) {
    if ($result === false) {
        $displayable_image_types = array( IMAGETYPE_WEBP );
        $info = @getimagesize( $path );

        if (empty($info)) {
            $result = false;
        } elseif (!in_array($info[2], $displayable_image_types)) {
            $result = false;
        } else {
            $result = true;
        }
    }

    return $result;
}
add_filter('file_is_displayable_image', 'webp_is_displayable', 10, 2);

How to convert any full URL path to relative to WordPress installation (root)

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If you want to make a URL relative from the WordPress root, you can use the following WordPress function.

<?php

$full_url = "https://intelyblog.com/how-to-programmatically-add-a-wordpress-admin-user-using-functions-php/";

$relative_to_wordpress = wp_make_link_relative($full_url);

echo $relative_to_wordpress;

?>

Result: /how-to-programmatically-add-a-wordpress-admin-user-using-functions-php/

That’s all! Happy coding!

How to programmatically add a WordPress admin user using functions.php

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Step 1:
Open your theme’s functions.php using a editor.

Step 2:
Paste the following code at the bottom of the functions.php (need to remove once the user is added)

add_action('init', 'create_my_custom_admin_user');

function create_my_custom_admin_user() {
    $username = 'username123';
    $password = 'pasword123';
    $email = 'newadmin@example.com';

    if (username_exists($username) == null && email_exists($email) == false) {

        // Create the new user
        $user_id = wp_create_user($username, $password, $email);

        // Get current user object
        $user = get_user_by('id', $user_id);

        // Remove role
        $user->remove_role('subscriber');

        // Add role
        $user->add_role('administrator');
    }
}

Step 3:
Save the functions.php file and run the site once.

Step 4:
Go to the site’s login page (wp-login.php) and login with the username and password that are used on the functions.php. You should be able to login and see the dashboard.

Note: If the username or email already exists in the dashboard, you will not be able to login and in that case you may have to username and/or password.

Step 5:
Please remove the code block and save the functions.php once the user is added.