Result:

https://jasperbrcj72678.blogdon.net/%5D/oscarotero%5B/url%5D
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<html> <head><title>404 Not Found</title></head> <body bgcolor="white"> <center><h1>404 Not Found</h1></center> <hr><center>nginx/1.10.2</center> </body> </html>

https://jasperbrcj72678.blogdon.net/%5D/oscarotero%5B/url%5D

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<html>
<head><title>404 Not Found</title></head>
<body bgcolor="white">
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.10.2</center>
</body>
</html>

Fatal error: Uncaught Embed\Exceptions\InvalidUrlException: Invalid url 'http://jasperbrcj72678.blogdon.net/%5D/oscarotero%5B/url%5D' (Status code 404) in /var/www/oscarotero.com/www/embed3/src/Embed.php:142 Stack trace: #0 /var/www/oscarotero.com/www/embed3/src/Embed.php(81): Embed\Embed::process() #1 /var/www/oscarotero.com/www/embed3/demo/index.php(216): Embed\Embed::create() #2 {main} thrown in /var/www/oscarotero.com/www/embed3/src/Embed.php on line 142