Noted That:

• To install correctly this lazy-load-for-videos.zip .
• Fisrt Download the lazy-load-for-videos.zip to your computer
• Extract/Open lazy-load-for-videos.zip to Your Computer.
• Then, Find readme.txt file inside lazy-load-for-videos.zip and Open readme.txt .
• Now, Read the Requirements of this plugin. Which Wordpress Version and PHP Version are required to run this Plugin in Your Wordpress Site.
• Then, Follow the Tips Below.

Start the Tips:

1. First Download " lazy-load-for-videos.zip " Plugin to your Local Computer. (Click Download)

2. Then, Login to your " yourdomain.com/wp-admin " Dashboard.

3. Then, Click on " Plugins " + " Add New " from left sidemenu of Dashboard.

4. Now, Click on "Upload Plugin" button.

5. Now, Browse " lazy-load-for-videos.zip "  Downloaded plugin from your computer, Where you downloaded lazy-load-for-videos.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Lazy Load for Videos " folder is added on left sidemenu. Now, Click on " Lazy Load for Videos " folder.

   Noted that: If you do not see " Lazy Load for Videos " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Lazy Load for Videos Configurtions and Settings or How to work " Lazy Load for Videos " in your WordPress site.

After Activated Plugin According to Step-6 then,

1. Go to " Plugins " + " Installed Plugin " from Wordpress Admin Panel Leftside Menu.
2. or Direct go to: https://yourdomain/wp-admin/plugins.php
3. Then, Find " Lazy Load for Videos " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Lazy Load for Videos
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

Upload Lazy Load for Videos into you plugin directory (/wp-content/plugins/) and activate the plugin through the ‘Plugins’ menu in WordPress.

When you had already published videos before you have activated Lazy Load for Videos, update all posts by clicking the “Update Posts” button below the “Save Changes” button.

You may have to clean the website’s and browser’s cache.

If you don’t see a preview image instead of the Youtube/Vimeo video, open the post editor and update/save the post again or even update all posts using the above mentioned “Update Posts” button.

Optionally: Sign up to the Lazy Load for Videos newsletter to get notified about major updates.

NOTICE – this is important to make your videos work as expected:
Easily insert the URL to your content (e.g. Youtube video) into a post or page. The URL must be on its own line and must not be hyperlinked. “WordPress will automatically turn [the URL] into a YouTube embed when the post is viewed.” (Source: https://codex.wordpress.org/Embeds)
Inserting a Youtube iframe (instead of the plain URL) is deprecated and not supported by Lazy Load for Videos.