I'm trying to code a redirect checker, to check if a URL is search engine friendly. It has to check if a URL is redirected or not, and if it's redirected it has to tell if it's SEO friendly (301 status code) or not (302/304).
Here's something similiar I've found:
http://www.webconfs.com/redirect-check.php
It also should be able to follow multiple redirects (e.g. from A to B to C) and tell me that A redirects to C.
This is what I got so far, but it doesn't work quite right (example: when typing in www.example.com it doesnt find the redirect to www.example.com/page1)
<?php
// You can edit the messages of the respective code over here
$httpcode = array();
$httpcode["200"] = "Ok";
$httpcode["201"] = "Created";
$httpcode["302"] = "Found";
$httpcode["301"] = "Moved Permanently";
$httpcode["304"] = "Not Modified";
$httpcode["400"] = "Bad Request";
if(count($_POST)>0)
{
$url = $_POST["url"];
$curlurl = "http://".$url."/";
$ch = curl_init();
// Set URL to download
curl_setopt($ch, CURLOPT_URL, $curlurl);
// User agent
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]);
// Include header in result? (0 = yes, 1 = no)
curl_setopt($ch, CURLOPT_HEADER, 0);
// Should cURL return or print out the data? (true = return, false = print)
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Timeout in seconds
curl_setopt($ch, CURLOPT_TIMEOUT, 15);
// Download the given URL, and return output
$output = curl_exec($ch);
$curlinfo = curl_getinfo($ch);
if(($curlinfo["http_code"]=="301") || ($curlinfo["http_code"]=="302"))
{
$ch = curl_init();
// Set URL to download
curl_setopt($ch, CURLOPT_URL, $curlurl);
// User agent
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]);
// Include header in result? (0 = yes, 1 = no)
curl_setopt($ch, CURLOPT_HEADER, 0);
// Should cURL return or print out the data? (true = return, false = print)
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Timeout in seconds
curl_setopt($ch, CURLOPT_TIMEOUT, 15);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
// Download the given URL, and return output
$output = curl_exec($ch);
$curlinfo = curl_getinfo($ch);
echo $url." is redirected to ".$curlinfo["url"];
}
else
{
echo $url." is not getting redirected";
}
// Close the cURL resource, and free system resources
curl_close($ch);
}
?>
http://
/
e.g. www.google.com
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