HTML Form to Input URL
Define an HTML input element to provide a web page URL.

<form method="post" action="" class="form">
    <div class="form-group">
        <label>Web Page URL:</label>
        <input type="text" class="form-control" name="url" value="" required="">
    </div>
    <div class="form-group">
        <input type="submit" class="form-control btn-primary" name="submit" value="Extract"/>
    </div>
</form>
Extract Metadata from URL
The following code snippet extracts the title and metadata from the submitted URL using PHP.

Initialize and load the UrlMeta library.
Pass the URL in the UrlMeta class.
Get title, description, keywords, and image from remote URL using getWebsiteData() function of UrlMeta class.
Decode JSON data in array using PHP json_decode() function.
Link Preview Box
Display thumbnail image, title, and description as a box view to show link preview.

Provide a hyperlink with a URL to visit the web page.