<html><center><br><br><br>checks with get headers
<form action="#" method="post">
<input type="text" name="webadres" value=" " required>
<br>
<input type="submit" value="Send" ><br><br><br>
</form>
<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST'){
$sites= $_POST['webadres'];
var_dump($sites);
if (isset($sites)) {
var_dump(get_headers($sites));
}
?>
<br><br>Checks with curl get info
<?php
$url = curl_init($site