Hi,
I am using a dynamic redirect to take vistors to the database stored
url as in this part of the script: -
$sql = "SELECT ad_link FROM adverts WHERE advert_id = $N_ad_id";
-
$result = mysql_query($sql) or die("could not execute find PRODUCTS query". mysql_error());
-
$num = mysql_num_rows($result);
-
-
if ($num == 0 ) {
-
echo "There an ERROR in locating this product.";
-
} // endif
-
else{
-
$row = mysql_fetch_assoc($result);
-
$N_ad_link = "http://".$row["ad_link"];
-
-
$sql = "UPDATE adverts SET click_cnt = click_cnt+1 WHERE advert_id = $N_ad_id";
-
mysql_query($sql) or die("could not execute adverts update query". mysql_error());
-
-
header("Location: $N_ad_link");
-
exit();
-
Now I want to ensure that search engine robots and web crawlers do not
index these links. Can I insert a bit of html code to accomplish this ?
EG -
$sql = "UPDATE adverts SET click_cnt = click_cnt+1 WHERE advert_id = $N_ad_id";
-
mysql_query($sql) or die("could not execute adverts update query". mysql_error());
-
-
echo "
-
<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"
-
\"http://www.w3.org/TR/html4/loose.dtd\">
-
-
<html>
-
<head>
-
<title>Temp Page</title>
-
<meta name=\"allow-search\" content=\"no\">
-
<meta name=\"robots\" content=\"all, noindex, nofollow\">
-
</head>
-
<body>
-
header(\"Location: $N_ad_link\");
-
</body>
-
</html>";
-
-
exit();
-
I have escaped the double quotes because they are inside the
echo statement.
Is the header(\"Locati on: $N_ad_link\"); in the correct place ?
Do you think this is the best way to do it ?
Thanks for any advice.
PS
Maybe I should use a meta-refresh instead:
So in the above html I will put: -
echo "<html>
-
<head>
-
<title>Temp Page</title>
-
<meta name=\"allow-search\" content=\"no\">
-
<meta name=\"robots\" content=\"all, noindex, nofollow\">
-
<meta http-equiv ='refresh' content = '0;url = $N_ad_link'>
-
</head>
-
<body>
-
</body>
-
</html>";
Is this a better method ?
4  3055  Markus 6,050
Recognized Expert Expert
Second example will you a 'headers already sent' error.
I believe setting the header to a 301 redirect will discourage spiders from indexing it - 301 is a permanent move. I may be wrong. -
header( "HTTP/1.1 301 Moved Permanently" );
-
header( "Location: ..." );
-
Thanks for your reply,
I should mention that with the
suggestions above, the code is being loaded
from a .htaccess re-write command.
So the rewrite is like this:
RewriteRule ^[\.-a-z]+/bonuses-K([0-9]+)\.html$ ad_linker.php?a =$1 [NC,QSA,L]
and then the ad_linker.php?a =$1 code
will look like this: -
require_once("my_functions.php");
-
-
$today = date("U");
-
-
if(isset($_GET["a"])){
-
$N_ad_id = safe_sql($_GET["a"]);
-
-
$sql = "SELECT ad_link FROM adverts WHERE advert_id = $N_ad_id";
-
$result = mysql_query($sql) or die("could not execute find PRODUCTS query". mysql_error());
-
$num = mysql_num_rows($result);
-
-
if ($num == 0 ) {
-
echo "There an ERROR in locating this product.";
-
} // endif
-
else{
-
$row = mysql_fetch_assoc($result);
-
$N_ad_link = "http://".$row["ad_link"];
-
-
// update database
-
$sql = "UPDATE adverts SET click_cnt = click_cnt+1 WHERE advert_id = $N_ad_id";
-
mysql_query($sql) or die("could not execute adverts update query". mysql_error());
-
-
echo "<html>
-
<head>
-
<title>Temp Page</title>
-
<meta name=\"allow-search\" content=\"no\">
-
<meta name=\"robots\" content=\"all, noindex, nofollow\">
-
<meta http-equiv ='refresh' content = '0;url = $N_ad_link'>
-
</head>
-
<body>
-
</body>
-
</html>";
-
exit();
-
} // end else
-
} // endif
-
echo "No Link data !! - please inform admin";
-
-
?>
Do you see any problems with this ?
( I don't think headers sent earlier will be a problem as this is a new page,
unless I misunderstood )
Thanks
Hi Marcus ( or anyone else)
What did you think of this as a solution ?
Have I misunderstood anything ?
Should it work OK ?
Markus 6,050
Recognized Expert Expert @jeddiki
Sure, if it works for you, then ok. But it's more code that what is necessary; the page loading the html isn't needed, and will just make it a tad slower. I'm pretty sure my post above would prevent spiders from following the redirect.
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